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  • creating the nodes for path finding during run time - more like path making and more

    - by bigbadbabybear
    i'm making my 1st game. i'm using javascript as i currently want to learn to make games without needing to learn another language but this is more of a general game dev question its a 2d turn-based tile/grid game. you can check it here http://www.patinterotest.tk/ it creates a movable area when you hover a player and it implements the A* algo for moving the player. The Problem: i want to make the 'dynamic movable area creation' already implement a limited number of steps for a player. The Questions: what is a good way to do this? is there another algorithm to use for this? the A* algorithm needs a start and destination, with what i want to do i don't have a destination or should i just limit the iteration of the A* algo to the steps variable? hopefully you understand the problem & questions easily

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  • Oracle Exadata???????????????????

    - by takashi.hitomi
    2010?6????????????????????Oracle Exadata??????????????! ???????Oracle Exadata?????? ?????????2010 ???????????????????????????????????????????????????? ??????????????????????????????????????????????????????????????????????????????????? Oracle?Smart Grid????????Oracle Exadata??????????????????????????? ?21? ??·?????????? ????????????????? ????????????????????????????????????????????????????????????·?·????????????????????????????????????????????? ?????????????????????????????????????????????????????? ????????Oracle Exadata?????????????Oracle Database????????·?????????????? ?????????Update?Get?? Oracle Cloud Computing Summit ~ Database & Exadata Day ~ Oracle Cloud Computing Summit??????1? ????·??????????Oracle????????????????????????? ?????????·?????????????????????????????????·??????????????????????????????????????

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  • JAVA image transfer problem

    - by user579098
    Hi, I have a school assignment, to send a jpg image,split it into groups of 100 bytes, corrupt it, use a CRC check to locate the errors and re-transmit until it eventually is built back into its original form. It's practically ready, however when I check out the new images, they appear with errors.. I would really appreciate if someone could look at my code below and maybe locate this logical mistake as I can't understand what the problem is because everything looks ok :S For the file with all the data needed including photos and error patterns one could download it from this link:http://rapidshare.com/#!download|932tl2|443122762|Data.zip|739 Thanks in advance, Stefan p.s dont forget to change the paths in the code for the image and error files package networks; import java.io.*; // for file reader import java.util.zip.CRC32; // CRC32 IEEE (Ethernet) public class Main { /** * Reads a whole file into an array of bytes. * @param file The file in question. * @return Array of bytes containing file data. * @throws IOException Message contains why it failed. */ public static byte[] readFileArray(File file) throws IOException { InputStream is = new FileInputStream(file); byte[] data=new byte[(int)file.length()]; is.read(data); is.close(); return data; } /** * Writes (or overwrites if exists) a file with data from an array of bytes. * @param file The file in question. * @param data Array of bytes containing the new file data. * @throws IOException Message contains why it failed. */ public static void writeFileArray(File file, byte[] data) throws IOException { OutputStream os = new FileOutputStream(file,false); os.write(data); os.close(); } /** * Converts a long value to an array of bytes. * @param data The target variable. * @return Byte array conversion of data. * @see http://www.daniweb.com/code/snippet216874.html */ public static byte[] toByta(long data) { return new byte[] { (byte)((data >> 56) & 0xff), (byte)((data >> 48) & 0xff), (byte)((data >> 40) & 0xff), (byte)((data >> 32) & 0xff), (byte)((data >> 24) & 0xff), (byte)((data >> 16) & 0xff), (byte)((data >> 8) & 0xff), (byte)((data >> 0) & 0xff), }; } /** * Converts a an array of bytes to long value. * @param data The target variable. * @return Long value conversion of data. * @see http://www.daniweb.com/code/snippet216874.html */ public static long toLong(byte[] data) { if (data == null || data.length != 8) return 0x0; return (long)( // (Below) convert to longs before shift because digits // are lost with ints beyond the 32-bit limit (long)(0xff & data[0]) << 56 | (long)(0xff & data[1]) << 48 | (long)(0xff & data[2]) << 40 | (long)(0xff & data[3]) << 32 | (long)(0xff & data[4]) << 24 | (long)(0xff & data[5]) << 16 | (long)(0xff & data[6]) << 8 | (long)(0xff & data[7]) << 0 ); } public static byte[] nextNoise(){ byte[] result=new byte[100]; // copy a frame's worth of data (or remaining data if it is less than frame length) int read=Math.min(err_data.length-err_pstn, 100); System.arraycopy(err_data, err_pstn, result, 0, read); // if read data is less than frame length, reset position and add remaining data if(read<100){ err_pstn=100-read; System.arraycopy(err_data, 0, result, read, err_pstn); }else // otherwise, increase position err_pstn+=100; // return noise segment return result; } /** * Given some original data, it is purposefully corrupted according to a * second data array (which is read from a file). In pseudocode: * corrupt = original xor corruptor * @param data The original data. * @return The new (corrupted) data. */ public static byte[] corruptData(byte[] data){ // get the next noise sequence byte[] noise = nextNoise(); // finally, xor data with noise and return result for(int i=0; i<100; i++)data[i]^=noise[i]; return data; } /** * Given an array of data, a packet is created. In pseudocode: * frame = corrupt(data) + crc(data) * @param data The original frame data. * @return The resulting frame data. */ public static byte[] buildFrame(byte[] data){ // pack = [data]+crc32([data]) byte[] hash = new byte[8]; // calculate crc32 of data and copy it to byte array CRC32 crc = new CRC32(); crc.update(data); hash=toByta(crc.getValue()); // create a byte array holding the final packet byte[] pack = new byte[data.length+hash.length]; // create the corrupted data byte[] crpt = new byte[data.length]; crpt = corruptData(data); // copy corrupted data into pack System.arraycopy(crpt, 0, pack, 0, crpt.length); // copy hash into pack System.arraycopy(hash, 0, pack, data.length, hash.length); // return pack return pack; } /** * Verifies frame contents. * @param frame The frame data (data+crc32). * @return True if frame is valid, false otherwise. */ public static boolean verifyFrame(byte[] frame){ // allocate hash and data variables byte[] hash=new byte[8]; byte[] data=new byte[frame.length-hash.length]; // read frame into hash and data variables System.arraycopy(frame, frame.length-hash.length, hash, 0, hash.length); System.arraycopy(frame, 0, data, 0, frame.length-hash.length); // get crc32 of data CRC32 crc = new CRC32(); crc.update(data); // compare crc32 of data with crc32 of frame return crc.getValue()==toLong(hash); } /** * Transfers a file through a channel in frames and reconstructs it into a new file. * @param jpg_file File name of target file to transfer. * @param err_file The channel noise file used to simulate corruption. * @param out_file The name of the newly-created file. * @throws IOException */ public static void transferFile(String jpg_file, String err_file, String out_file) throws IOException { // read file data into global variables jpg_data = readFileArray(new File(jpg_file)); err_data = readFileArray(new File(err_file)); err_pstn = 0; // variable that will hold the final (transfered) data byte[] out_data = new byte[jpg_data.length]; // holds the current frame data byte[] frame_orig = new byte[100]; byte[] frame_sent = new byte[100]; // send file in chunks (frames) of 100 bytes for(int i=0; i<Math.ceil(jpg_data.length/100); i++){ // copy jpg data into frame and init first-time switch System.arraycopy(jpg_data, i*100, frame_orig, 0, 100); boolean not_first=false; System.out.print("Packet #"+i+": "); // repeat getting same frame until frame crc matches with frame content do { if(not_first)System.out.print("F"); frame_sent=buildFrame(frame_orig); not_first=true; }while(!verifyFrame(frame_sent)); // usually, you'd constrain this by time to prevent infinite loops (in // case the channel is so wacked up it doesn't get a single packet right) // copy frame to image file System.out.println("S"); System.arraycopy(frame_sent, 0, out_data, i*100, 100); } System.out.println("\nDone."); writeFileArray(new File(out_file),out_data); } // global variables for file data and pointer public static byte[] jpg_data; public static byte[] err_data; public static int err_pstn=0; public static void main(String[] args) throws IOException { // list of jpg files String[] jpg_file={ "C:\\Users\\Stefan\\Desktop\\Data\\Images\\photo1.jpg", "C:\\Users\\Stefan\\Desktop\\Data\\Images\\photo2.jpg", "C:\\Users\\Stefan\\Desktop\\Data\\Images\\photo3.jpg", "C:\\Users\\Stefan\\Desktop\\Data\\Images\\photo4.jpg" }; // list of error patterns String[] err_file={ "C:\\Users\\Stefan\\Desktop\\Data\\Error Pattern\\Error Pattern 1.DAT", "C:\\Users\\Stefan\\Desktop\\Data\\Error Pattern\\Error Pattern 2.DAT", "C:\\Users\\Stefan\\Desktop\\Data\\Error Pattern\\Error Pattern 3.DAT", "C:\\Users\\Stefan\\Desktop\\Data\\Error Pattern\\Error Pattern 4.DAT" }; // loop through all jpg/channel combinations and run tests for(int x=0; x<jpg_file.length; x++){ for(int y=0; y<err_file.length; y++){ System.out.println("Transfering photo"+(x+1)+".jpg using Pattern "+(y+1)+"..."); transferFile(jpg_file[x],err_file[y],jpg_file[x].replace("photo","CH#"+y+"_photo")); } } } }

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  • strange sqares like hints in Silverlight application?

    - by lina
    Good day! Strange square appears on mouse hover on text boxes, buttons, etc (something like hint) in a silverlight navigation application - how can I remove it? a scrin shot an example .xaml page: <Code:BasePage x:Class="CAP.Views.Main" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:d="http://schemas.microsoft.com/expression/blend/2008" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" mc:Ignorable="d" xmlns:navigation="clr-namespace:System.Windows.Controls;assembly=System.Windows.Controls.Navigation" xmlns:Code="clr-namespace:CAP.Code" d:DesignWidth="640" d:DesignHeight="480" Title="?????? ??????? ???????? ??? ?????"> <Grid x:Name="LayoutRoot"> <Grid.RowDefinitions> <RowDefinition Height="103*" /> <RowDefinition Height="377*" /> </Grid.RowDefinitions> <Grid.ColumnDefinitions> <ColumnDefinition Width="120*" /> <ColumnDefinition Width="520*" /> </Grid.ColumnDefinitions> <Image Height="85" HorizontalAlignment="Left" Name="image1" Stretch="Fill" VerticalAlignment="Top" Width="84" Margin="12,0,0,0" ImageFailed="image1_ImageFailed" Source="/CAP;component/Images/My-Computer.png" /> <TextBlock Grid.Column="1" Height="Auto" TextWrapping="Wrap" HorizontalAlignment="Left" Margin="0,12,0,0" Name="textBlock1" Text="Good day!" VerticalAlignment="Top" FontFamily="Verdana" FontSize="16" Width="345" FontWeight="Bold" /> <TextBlock Grid.Column="1" Grid.Row="1" TextWrapping="Wrap" Height="299" HorizontalAlignment="Left" Name="textBlock2" VerticalAlignment="Top" FontFamily="Verdana" FontSize="14" Width="441" > <Run Text="Some text "/><LineBreak/><LineBreak/><Run Text="and so on"/> <LineBreak/> </TextBlock> </Grid> xaml.cs: using System; using System.Collections.Generic; using System.Linq; using System.Net; using System.Windows; using System.Windows.Controls; using System.Windows.Documents; using System.Windows.Input; using System.Windows.Media; using System.Windows.Media.Animation; using System.Windows.Shapes; using System.Windows.Navigation; using CAP.Code; namespace CAP.Views { public partial class Main : BasePage { public Main() : base() { InitializeComponent(); MapBuilder.AddToMap(new SiteMapUnit() { Caption = "???????", RelativeUrl = "Main" },true); ((App)Application.Current).Mainpage.tvMainMenu.SelectedItems.Clear(); } // Executes when the user navigates to this page. protected override void OnNavigatedTo(NavigationEventArgs e) { } private void image1_ImageFailed(object sender, ExceptionRoutedEventArgs e) { } protected override string[] NeededPermission() { return new string[0]; } } } MainPage.xaml <UserControl x:Class="CAP.MainPage" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:Code="clr-namespace:CAP.Code" xmlns:navigation="clr-namespace:System.Windows.Controls;assembly=System.Windows.Controls.Navigation" xmlns:uriMapper="clr-namespace:System.Windows.Navigation;assembly=System.Windows.Controls.Navigation" xmlns:d="http://schemas.microsoft.com/expression/blend/2008" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" xmlns:telerik="clr-namespace:Telerik.Windows.Controls;assembly=Telerik.Windows.Controls" xmlns:telerikNavigation="clr-namespace:Telerik.Windows.Controls;assembly=Telerik.Windows.Controls.Navigation" mc:Ignorable="d" Margin="0,0,0,0" Width="auto" Height="auto" xmlns:dataInput="clr-namespace:System.Windows.Controls;assembly=System.Windows.Controls.Data.Input"> <ScrollViewer Width="auto" Height="auto" BorderBrush="White" BorderThickness="0" Margin="0,0,0,0" x:Name="sV" HorizontalScrollBarVisibility="Auto" VerticalScrollBarVisibility="Auto" > <ScrollViewer.Content> <Grid Width="auto" Height="auto" x:Name="LayoutRoot" Style="{StaticResource LayoutRootGridStyle}" Margin="0,0,0,0"> <StackPanel Width="auto" Height="auto" Orientation="Vertical" Margin="250,0,0,50"> <Border x:Name="ContentBorder2" Margin="0,0,0,0" > <!--<navigation:Frame Margin="0,0,0,0" Width="auto" Height="auto" x:Name="AnotherFrame" VerticalAlignment="Top" Style="{StaticResource ContentFrameStyle}" Source="/Views/Menu.xaml" NavigationFailed="ContentFrame_NavigationFailed" JournalOwnership="OwnsJournal" Loaded="AnotherFrame_Loaded"> </navigation:Frame>--> <StackPanel Orientation="Vertical" Height="82" Width="Auto" HorizontalAlignment="Right" Margin="0,0,0,0" DataContext="{Binding}"> <TextBlock HorizontalAlignment="Right" Foreground="White" x:Name="ApplicationNameTextBlock4" Style="{StaticResource ApplicationNameStyle}" FontSize="20" Text="?????? ???????" Margin="20,16,20,0"/> <StackPanel Orientation="Horizontal" HorizontalAlignment="Right"> <Image x:Name="imDoor" Visibility="Collapsed" MouseEnter="imDoor_MouseEnter" MouseLeave="imDoor_MouseLeave" Height="24" Stretch="Fill" Width="25" Margin="10,0,10,0" Source="/CAP;component/Images/sm_white_doors.png" MouseLeftButtonDown="bTest_Click" /> <TextBlock x:Name="bLogout" MouseEnter="bLogout_MouseEnter" MouseLeave="bLogout_MouseLeave" TextDecorations="Underline" Margin="0,6,20,4" Height="23" Text="?????" HorizontalAlignment="Right" Visibility="Collapsed" MouseLeftButtonDown="bTest_Click" FontFamily="Verdana" FontSize="13" FontWeight="Normal" Foreground="#FF1C1C92" /> </StackPanel> </StackPanel> </Border> <Border x:Name="bSiteMap" Margin="0,0,0,0" > <StackPanel x:Name="spSiteMap" Orientation="Horizontal" Height="20" Width="Auto" HorizontalAlignment="Left" Margin="0,0,0,0" DataContext="{Binding}"> <!-- <TextBlock Visibility="Visible" TextDecorations="Underline" Height="23" HorizontalAlignment="Left" x:Name="ar" Text="1" VerticalAlignment="Top" Foreground="Blue" FontFamily="Verdana" FontSize="13" /> <TextBlock Visibility="Visible" Height="23" HorizontalAlignment="Left" x:Name="Map" Text="->" VerticalAlignment="Top" Foreground="Blue" FontFamily="Verdana" FontSize="13" /> <TextBlock Visibility="Visible" TextDecorations="Underline" Height="23" HorizontalAlignment="Left" x:Name="ar1" Text="2" VerticalAlignment="Top" Foreground="Blue" FontFamily="Verdana" FontSize="13" /> <TextBlock Visibility="Visible" Height="23" HorizontalAlignment="Left" x:Name="Map1" Text="->" VerticalAlignment="Top" Foreground="Blue" FontFamily="Verdana" FontSize="13" /> <TextBlock Visibility="Visible" TextDecorations="Underline" Height="23" HorizontalAlignment="Left" x:Name="ar2" Text="3" VerticalAlignment="Top" Foreground="Blue" FontFamily="Verdana" FontSize="13" />--> </StackPanel> </Border> <Border Width="auto" Height="auto" x:Name="ContentBorder" Margin="0,0,0,0" > <navigation:Frame x:Name="ContentFrame" Style="{StaticResource ContentFrameStyle}" Source="Main" Navigated="ContentFrame_Navigated" NavigationFailed="ContentFrame_NavigationFailed" ToolTipService.ToolTip=" " Margin="0,0,0,0"> <navigation:Frame.UriMapper> <uriMapper:UriMapper> <!--Client--> <uriMapper:UriMapping Uri="RegistrateClient" MappedUri="/Views/Client/RegistrateClient.xaml"/> <!--So on--> </uriMapper:UriMapper> </navigation:Frame.UriMapper> </navigation:Frame> </Border> </StackPanel> <Grid x:Name="NavigationGrid" Style="{StaticResource NavigationGridStyle}" Margin="0,0,0,0" Background="{x:Null}" > <StackPanel Orientation="Vertical" Height="Auto" Width="250" HorizontalAlignment="Center" Margin="0,0,0,50" DataContext="{Binding}"> <Image Width="150" Height="90" HorizontalAlignment="Center" VerticalAlignment="Top" Source="/CAP;component/Images/logo__au.png" Margin="0,20,0,70"/> <Border x:Name="BrandingBorder" MinHeight="222" Width="250" Style="{StaticResource BrandingBorderStyle3}" HorizontalAlignment="Center" Opacity="60" Margin="0,0,0,0"> <Border.Background> <ImageBrush ImageSource="/CAP;component/Images/papka.png"/> </Border.Background> <Grid Width="250" x:Name="LichniyCabinet" Margin="0,10,0,0" HorizontalAlignment="Center" Height="211"> <Grid.ColumnDefinitions> <ColumnDefinition Width="19*" /> <ColumnDefinition Width="62*" /> <ColumnDefinition Width="151*" /> <ColumnDefinition Width="18*" /> </Grid.ColumnDefinitions> <Grid.RowDefinitions> <RowDefinition Height="13" /> <RowDefinition Height="24" /> <RowDefinition Height="35" /> <RowDefinition Height="35" /> <RowDefinition Height="43" /> <RowDefinition Height="28" /> <RowDefinition Height="32*" /> </Grid.RowDefinitions> <TextBlock Visibility="Visible" Grid.Row="2" Height="23" HorizontalAlignment="Left" x:Name="tLogin" Text="?????" VerticalAlignment="Top" FontFamily="Verdana" FontSize="13" Foreground="White" Margin="1,0,0,0" Grid.Column="1" /> <TextBlock Visibility="Visible" FontFamily="Verdana" FontSize="13" Foreground="White" Height="23" HorizontalAlignment="Left" x:Name="tPassw" Text="??????" VerticalAlignment="Top" Grid.Row="3" Grid.Column="1" /> <TextBox Visibility="Visible" Grid.Column="2" Grid.Row="2" Height="24" HorizontalAlignment="Left" x:Name="logLogin" VerticalAlignment="Top" Width="150" /> <PasswordBox Visibility="Visible" Code:DefaultButtonService.DefaultButton="{Binding ElementName=bLogin}" PasswordChar="*" Height="24" HorizontalAlignment="Left" x:Name="logPassword" VerticalAlignment="Top" Width="150" Grid.Column="2" Grid.Row="3" /> <Button x:Name="bLogin" MouseEnter="bLogin_MouseEnter" MouseLeave="bLogin_MouseLeave" Visibility="Visible" Content="?????" Grid.Column="2" Grid.Row="4" Click="Button_Click" Height="23" HorizontalAlignment="Left" Margin="81,0,0,0" VerticalAlignment="Top" Width="70" /> <TextBlock MouseLeftButtonDown="ForgotPassword_MouseLeftButtonDown" MouseEnter="ForgotPassword_MouseEnter" MouseLeave="ForgotPassword_MouseLeave" Visibility="Visible" TextDecorations="Underline" Grid.ColumnSpan="2" Grid.Row="4" Height="23" HorizontalAlignment="Left" x:Name="ForgotPassword" Text="?????? ???????" VerticalAlignment="Top" Foreground="White" FontFamily="Verdana" FontSize="13" Grid.Column="1" /> <TextBlock MouseEnter="tbRegistration_MouseEnter" MouseLeave="tbRegistration_MouseLeave" MouseLeftButtonDown="tbRegistration_MouseLeftButtonDown" Grid.Column="2" Grid.Row="6" Height="23" x:Name="tbRegistration" TextDecorations="Underline" Text="???????????" VerticalAlignment="Top" FontFamily="Verdana" FontSize="13" TextAlignment="Center" HorizontalAlignment="Center" Foreground="#FF1C1C92" FontWeight="Normal" Margin="0,0,57,0" /> <TextBlock Cursor="Arrow" Height="23" HorizontalAlignment="Left" Margin="11,-3,0,0" Text="?????? ???????" VerticalAlignment="Top" Grid.ColumnSpan="3" Grid.RowSpan="2" FontFamily="Verdana" FontSize="13" FontWeight="Bold" Foreground="White" /> <Image Visibility="Collapsed" Height="70" x:Name="imUser" Stretch="Fill" Width="70" Grid.ColumnSpan="2" Margin="11,0,0,0" Grid.Row="2" Grid.RowSpan="2" Source="/CAP;component/Images/user2.png" /> <TextBlock x:Name="tbHello" Grid.Column="2" Visibility="Collapsed" Grid.Row="2" Height="auto" TextWrapping="Wrap" HorizontalAlignment="Left" Margin="6,0,0,0" Text="" VerticalAlignment="Top" FontFamily="Verdana" FontSize="13" Foreground="White" Width="145" /> </Grid> </Border> <Border x:Name="MenuBorder" Margin="0,0,0,50" Width="250" Visibility="Collapsed"> <StackPanel x:Name="spMenu" Width="240" HorizontalAlignment="Left"> <telerikNavigation:RadTreeView x:Name="tvMainMenu" Width="240" Selected="TreeView1_Selected" SelectedValuePath="Text" telerik:Theming.Theme="Windows7" FontFamily="Verdana" FontSize="12"/> </StackPanel> </Border> </StackPanel> </Grid> <Border x:Name="FooterBorder" VerticalAlignment="Bottom" Width="auto" Height="76"> <Border.Background> <ImageBrush ImageSource="/CAP;component/Images/footer2.png" /> </Border.Background> <TextBlock x:Name="tbFooter" Height="24" Width="auto" Margin="0,20,0,0" TextAlignment="Center" HorizontalAlignment="Stretch" VerticalAlignment="Center" Foreground="White" FontFamily="Verdana" FontSize="11"> </TextBlock> </Border> </Grid> </ScrollViewer.Content> </ScrollViewer> </UserControl> MainPage.xaml.cs using System; using System.Collections.Generic; using System.Linq; using System.Windows; using System.Windows.Controls; using System.Windows.Documents; using System.Windows.Navigation; using CAP.Code; using CAP.Registrator; using System.Windows.Input; using System.ComponentModel.DataAnnotations; using System.Windows.Browser; using Telerik.Windows.Controls; using System.Net; using System.Windows.Media; using System.Windows.Media.Animation; using System.Windows.Navigation; using System.Windows.Shapes; namespace CAP { public partial class MainPage { public App Appvars = Application.Current as App; private readonly RegistratorClient registrator; public SiteMapBuilder builder; public MainPage() { InitializeComponent(); sV.SetIsMouseWheelScrollingEnabled(true); builder = new SiteMapBuilder(spSiteMap); try { //working with service } catch { this.ContentFrame.Navigate(new Uri(String.Format("ErrorPage"), UriKind.RelativeOrAbsolute)); } } /// Recursive method to update the correct scrollviewer (if exists) private ScrollViewer CheckParent(FrameworkElement element) { ScrollViewer _result = element as ScrollViewer; if (element != null && _result == null) { FrameworkElement _temp = element.Parent as FrameworkElement; _result = CheckParent(_temp); } return _result; } // If an error occurs during navigation, show an error window private void ContentFrame_NavigationFailed(object sender, NavigationFailedEventArgs e) { e.Handled = true; ChildWindow errorWin = new ErrorWindow(e.Uri); errorWin.Show(); } } }

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  • datagrid height issue in nested datagrid( when using three data grid)

    - by prince23
    hi, i have a nested datagrid(which is of three data grid). here i am able to show data with no issue. the first datagrid has 5 rows the main problem that comes here is when you click any row in first datagrid i show 2 datagrid( which has 10 rows) lets say i click 3 row in 2 data grid. it show further records in third datagrid. again when i click 5 row in 2 data grid it show further records in third datagrid. now all the recods are shown fine when u try to collpase the 3 row in 2 data grid it collpase but the issue is the height what the third datagrid which took space for showing the records( we can see a blank space showing between the main 2 datagrid and third data grid) in every grid first column i have an button where i am writing this code for expand and collpase this is the functionality i am implementing in all the datagrid button where i do expand collpase. hope my question is clear . any help would great private void btn1_Click(object sender, RoutedEventArgs e) { try { Button btnExpandCollapse = sender as Button; Image imgScore = (Image)btnExpandCollapse.FindName("img"); DependencyObject dep = (DependencyObject)e.OriginalSource; while ((dep != null) && !(dep is DataGridRow)) { dep = VisualTreeHelper.GetParent(dep); } // if we found the clicked row if (dep != null && dep is DataGridRow) { DataGridRow row = (DataGridRow)dep; // change the details visibility if (row.DetailsVisibility == Visibility.Collapsed) { imgScore.Source = new BitmapImage(new Uri("/Images/a1.JPG", UriKind.Relative)); row.DetailsVisibility = Visibility.Visible; } else { imgScore.Source = new BitmapImage(new Uri("/Images/a2JPG", UriKind.Relative)); row.DetailsVisibility = Visibility.Collapsed; } } } catch (System.Exception) { } } --------------------------------------- 2 datagrid private void btn2_Click(object sender, RoutedEventArgs e) { try { Button btnExpandCollapse = sender as Button; Image imgScore = (Image)btnExpandCollapse.FindName("img"); DependencyObject dep = (DependencyObject)e.OriginalSource; while ((dep != null) && !(dep is DataGridRow)) { dep = VisualTreeHelper.GetParent(dep); } // if we found the clicked row if (dep != null && dep is DataGridRow) { DataGridRow row = (DataGridRow)dep; // change the details visibility if (row.DetailsVisibility == Visibility.Collapsed) { imgScore.Source = new BitmapImage(new Uri("/Images/a1.JPG", UriKind.Relative)); row.DetailsVisibility = Visibility.Visible; } else { imgScore.Source = new BitmapImage(new Uri("/Images/a2JPG", UriKind.Relative)); row.DetailsVisibility = Visibility.Collapsed; } } } catch (System.Exception) { } } ----------------- 3 datagrid private void btn1_Click(object sender, RoutedEventArgs e) { try { Button btnExpandCollapse = sender as Button; Image imgScore = (Image)btnExpandCollapse.FindName("img"); DependencyObject dep = (DependencyObject)e.OriginalSource; while ((dep != null) && !(dep is DataGridRow)) { dep = VisualTreeHelper.GetParent(dep); } // if we found the clicked row if (dep != null && dep is DataGridRow) { DataGridRow row = (DataGridRow)dep; // change the details visibility if (row.DetailsVisibility == Visibility.Collapsed) { imgScore.Source = new BitmapImage(new Uri("/Images/a1.JPG", UriKind.Relative)); row.DetailsVisibility = Visibility.Visible; } else { imgScore.Source = new BitmapImage(new Uri("/Images/a2JPG", UriKind.Relative)); row.DetailsVisibility = Visibility.Collapsed; } } } catch (System.Exception) { } }**

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  • How is WPF Data Binding using Object Data Source in Visual Studio 2010 done?

    - by Rob Perkins
    This is probably mostly a question about how to use the VS 2010 IDE tools in a way the Microsofties didn't specifically intend. But since this is something I immediately tried without success. I have defined a .NET 4.0 WPF Application project with a simple class that looks like this: Public Class Class1 Public Property One As String = "OneString" Public Property Two As String = "TwoString" End Class I then defined it as an "Object Data Source" in VS2010, using the IDE's "Add New Data Source..." feature. This exposes the class members in a GUI element in the IDE as given in this image: Dragging "Class1" from that tool to the surface of "Window1.xaml" in a default "WPF Application" results in the design view looking like this: And generated XAML like this: <Window x:Class="Window1" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="Window1" Height="133" Width="170" xmlns:my="clr-namespace:WpfApplication1" mc:Ignorable="d" xmlns:d="http://schemas.microsoft.com/expression/blend/2008" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" > <Window.Resources> <CollectionViewSource x:Key="Class1ViewSource" d:DesignSource="{d:DesignInstance my:Class1, CreateList=True}" /> </Window.Resources> <Grid DataContext="{StaticResource Class1ViewSource}" HorizontalAlignment="Left" Name="Grid1" VerticalAlignment="Top"> <Grid.ColumnDefinitions> <ColumnDefinition Width="Auto" /> <ColumnDefinition Width="Auto" /> </Grid.ColumnDefinitions> <Grid.RowDefinitions> <RowDefinition Height="Auto" /> <RowDefinition Height="Auto" /> </Grid.RowDefinitions> <Label Content="One:" Grid.Column="0" Grid.Row="0" HorizontalAlignment="Left" Margin="3" VerticalAlignment="Center" /> <TextBlock Grid.Column="1" Grid.Row="0" Height="23" HorizontalAlignment="Left" Margin="3" Name="OneTextBlock" Text="{Binding Path=One}" VerticalAlignment="Center" /> <Label Content="Two:" Grid.Column="0" Grid.Row="1" HorizontalAlignment="Left" Margin="3" VerticalAlignment="Center" /> <TextBlock Grid.Column="1" Grid.Row="1" Height="23" HorizontalAlignment="Left" Margin="3" Name="TwoTextBlock" Text="{Binding Path=Two}" VerticalAlignment="Center" /> </Grid> Note the data bindings Text="{Binding Path=One}" and Text="{Binding Path=Two}" in the TextBlock elements. Code-behind for Window1.xaml has this in Window_Loaded: Class Window1 Private m_c1 As New Class1 Private Sub Window1_Loaded(ByVal sender As Object, ByVal e As System.Windows.RoutedEventArgs) Handles Me.Loaded Dim Class1ViewSource As System.Windows.Data.CollectionViewSource = CType(Me.FindResource("Class1ViewSource"), System.Windows.Data.CollectionViewSource) 'Load data by setting the CollectionViewSource.Source property: 'Class1ViewSource.Source = [generic data source] Me.DataContext = m_c1 End Sub End Class Running the application produces this output: The expected result was that "OneString" would appear next to "One" and "TwoString" next to "Two" in the running window. The question is: Why didn't this work? What will work instead? If I put bindings in a DataTemplate, it works. Blend, with its sample data stuff, implied that this should work, but it doesn't. I know I'm missing something pretty fundamental here; what is it?

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  • Looking for a .NET data access layer

    - by Luke101
    Hello, I am looking for a data access layer for ado.net. I am not interested in linq, EF, NHibernate or any other ORM. Currently, I am using the data access layer from umbraco. The DAL is very good but they stopped developing it so i am looking for a different one. Does anyone know where I can find a list of DALs that I can test?

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  • iPhone: Save boolean into Core Data

    - by Nic Hubbard
    I have set up one of my core data attributes as a Boolean. Now, I need to set it, but XCode keeps telling me that it may not respond to setUseGPS. [ride setUseGPS: useGPS.on]; What is the method for setting a boolean in core data? All my other attributes are set this way, and they work great. So, not sure why a boolean does not work to be set this way?

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  • Adding "System.Data.SQLite" as refernce.

    - by subash
    hi all, when i was building my project done in asp.net & c#.net ,it produced the error as "The type or namespace name 'SQLite' does not exist in the namespace 'System.Data' (are you missing an assembly reference?" so, when i tried to add it as reference ,i was not able to find "System.Data.SQLite" in my library . how to overcome this problem.?

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  • Stream data with Node.js

    - by Saif Bechan
    I want to know if it is possible to stream data from the server to the client with Node.js. From what I can understand all over the internet is that this has to be possible, yet I fail to find a correct example or solution. What I want is a single http post to node.js with AJAX. Than leave the connection open and continuously stream data to the client. The client will receive this stream and update the page continuously.

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  • rendering a grid from a table: "this.mainBody is undefined"

    - by farhad
    Hello! I have a static html table on a page and i would like to transform it to a grid; so i applied this function after loading the table: function createTable() { // create the grid var grid = new Ext.ux.grid.TableGrid("tabella-colocazioni", { stripeRows: true // stripe alternate rows }); grid.render(); } I got this piece of code from here: http://www.java2s.com/Code/JavaScript/Ext-JS/CreateagridwithfromanexistingunformattedHTMLtable.htm . The result is the error "this.mainBody is undefined on ext-all-debug.js" on FireBug and the grid is empty. The html code of the table is this: <table cellspacing="0" id="tabella-colocazioni"> <thead> <tr style="background:#eeeeee;"> <th>Colocazione</th> <th>Frequenza</th> </tr> </thead> <tbody> <tr> <td>plusquam patria</td> <td>1</td> </tr> <tr> <td>patria pietate</td> <td>1</td> </tr> <tr> <td>Et patria</td> <td>1</td> </tr> <tr> <td>patria prohibet</td> <td>1</td> </tr> <tr> <td>Multos patria</td> <td>1</td> </tr> <tr> <td>patria reddidit</td> <td>1</td> </tr> <tr> <td>patronum patria</td> <td>1</td> </tr> <tr> <td>patria moesta</td> <td>1</td> </tr> </tbody> </table> What is the problem? Thank you very much.

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  • Selenium Data Driven Testing with C#

    - by Dinesh Kanojia
    HI All, i am Dinesh Kanojia and i am new in the Automate testing and i want to perform data driven testing in selenium using ASP.NET(C#),ajax and almost all the features of jquery so any one can give me the step how to perform data driven testing using c# or some demo through which i can perform my testing thanks in advance, warm regards, Dinesh.K

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  • Freely available dictionary data for Chinese, Japanese, CJK characters

    - by devio
    I am developing an online CJK character dictionary application, and already found the following databases: Unicode Unihan Database Jim Breen's JMDict and KanjiDic CEDict HanDeDict As I am looking for more data, web searches often lead me to online dictionaries, but not the data itself, using the same sources over again. If you know of any CJK-relevant downloadable dictionaries, please add them.

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  • SAS: rearrange field order in data step

    - by Dan
    In SAS 9, how can I in a simple data step, rearrange the order the field. Data set2; /*Something probably goes here*/ set set1; run; So if set1 has the following fields: Name Title Salary A Chief 40000 B Chief 45000 Then I can change the field order of set2 to: Title Salary Name Chief 40000 A Chief 45000 B Thanks, Dan

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  • core data missing records iphone

    - by Sridhar
    Hello, I have a strange and serious problem. When I am working with core data (not saving or editing or anything) just accessing the data from entity. Sometime strangely a few records or all records are missing(deleting) from the entity when my application restarts. I checked them by opening the SQLite database. Can anyone have the same problem ? Thanks, Raghu

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  • Jquery Toggle & passing data

    - by Ross
    I have created a toggle button with jquery but I need to pass my $id so it can execute the mysql in toggle_visibility.php. how do I pass my variable from my tag ? Yes $("a.toggleVisibility").toggle( function () { $(this).html("No"); }, function () { $.ajax({ type: "POST", url: "toggle_visibility.php", data: "id", success: function(msg){ alert( "Data Saved: " + msg ); } }); $(this).html("Yes"); } );

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  • Data Mining - Predictive Analysis

    - by IMHO
    We are looking at acquiring Data Mining software to primarily run predictive analysis processes. How does SQL Server Data Mining solution compares to other solutions like SPSS from IBM? Since SQL Server DM is included in SQL Server Enterprise license - what would be the justification to spend extra couple 100K to buy separate software just to do DM?

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  • C# Data Export Framework or tools.

    - by abmv
    Is there any data export framework in .net or something.I have need to device a tool kit to export legacy and data from older/legacy application to the new application under development,there are around three similar systems.To give you an idea the three have employee table.Is there any framework or dsl tool for this? Or I have to come up with all the code? How do you guys do it when you have customers whom you want to migrate to the new product ?

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  • C# Data Export Framwork or tools.

    - by abmv
    Is there any data export framework in .net or something.I have need to device a tool kit to export legacy and data from older/legacy application to the new application under development,there are around three similar systems.To give you an idea the three have employee table.Is there any framework or dsl tool for this? Or I have to come up with all the code? How do you guys do it when you have customers whom you want to migrate to the new product ?

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