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  • Can't cast treeviewitem as treeviewitem in wpf

    - by phenevo
    Hi, I've got webservice asmx, and there are classes: Country public string Name {get;set;} public string Code {get;set;} public List<Area> Areas {get;set;} Area public string Name {get;set;} public string Code {get;set;} public List<Regions> Provinces {get;set;} Provinces public string Name {get;set;} public string Code {get;set;} I bind it to mz TreeView WPF: Country[] items = new MyService().GetListOfCountries(); structureTree.ItemsSource = items; Code of myTree: <UserControl x:Class="ObjectsAndZonesSimpleTree" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" <Grid> <StackPanel Name="stackPanel1"> <GroupBox Header="Choose" Height="354" Name="groupBox1" Width="Auto"> <TreeView Name="structureTree" SelectedItemChanged="structureTree_SelectedItemChanged" Grid.Row="0" Grid.Column="0" ItemsSource="{Binding}" Height="334" ScrollViewer.VerticalScrollBarVisibility="Visible" ScrollViewer.HorizontalScrollBarVisibility="Visible" Width="Auto" PreviewMouseRightButtonUp="structureTree_PreviewMouseRightButtonUp" FontFamily="Verdana" FontSize="12" BorderThickness="1" MinHeight="0" Padding="1" Cursor="Hand" Margin="-1"> <TreeView.Resources> <HierarchicalDataTemplate DataType="{x:Type MyService:Country}" ItemsSource="{Binding Path=ListOfRegions}"> <StackPanel Orientation="Horizontal"> <TextBlock TextAlignment="Justify" VerticalAlignment="Center" Text="{Binding Path=Name}"/> </StackPanel> </HierarchicalDataTemplate> <HierarchicalDataTemplate DataType="{x:Type MyService:Region}" ItemsSource="{Binding Path=Provinces}"> <StackPanel Orientation="Horizontal"> <TextBlock TextAlignment="Justify" VerticalAlignment="Center" Text="{Binding Path=Name}"/> </StackPanel> </HierarchicalDataTemplate> <DataTemplate DataType="{x:Type MyService:Province}" ItemsSource="{Binding Path=ListOfCities}"> <StackPanel Orientation="Horizontal"> <TextBlock TextAlignment="Justify" VerticalAlignment="Center" Text="{Binding Path=Name}"/> </StackPanel> </DataTemplate> </TreeView.Resources> </TreeView> </GroupBox> </StackPanel> </Grid> </UserControl> This gives me null: private void structureTree_SelectedItemChanged(object sender, RoutedPropertyChangedEventArgs<object> e) { TreeViewItem treeViewItem = structureTree.SelectedItem as TreeViewItem; }

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  • An unspecified error occurred on the render thread. (NotifyPartitionIsZombie)

    - by red-X
    oke heres the problem, I have a ContentControl3D object from thriple in that im creating a LibraryStack with images it runs fine, until i run the function where the LibraryStack gets created and filled. when i click on any of the objects inside i get the following error An unspecified error occurred on the render thread. with stacktrace at System.Windows.Media.MediaContext.NotifyPartitionIsZombie(Int32 failureCode) at System.Windows.Media.MediaContext.NotifyChannelMessage() at System.Windows.Interop.HwndTarget.HandleMessage(Int32 msg, IntPtr wparam, IntPtr lparam) at System.Windows.Interop.HwndSource.HwndTargetFilterMessage(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled) at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled) at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o) at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Boolean isSingleParameter) at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Boolean isSingleParameter, Delegate catchHandler) at System.Windows.Threading.Dispatcher.WrappedInvoke(Delegate callback, Object args, Boolean isSingleParameter, Delegate catchHandler) at System.Windows.Threading.Dispatcher.InvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Boolean isSingleParameter) at System.Windows.Threading.Dispatcher.Invoke(DispatcherPriority priority, Delegate method, Object arg) at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam) at MS.Win32.UnsafeNativeMethods.DispatchMessage(MSG& msg) at System.Windows.Threading.Dispatcher.PushFrameImpl(DispatcherFrame frame) at System.Windows.Threading.Dispatcher.PushFrame(DispatcherFrame frame) at System.Windows.Threading.Dispatcher.Run() at System.Windows.Application.RunDispatcher(Object ignore) at System.Windows.Application.RunInternal(Window window) at System.Windows.Application.Run(Window window) at System.Windows.Application.Run() at WelkoMap.App.Main() in F:\MediaGarde\Surface\Development\WelkoMap\WelkoMap\obj\Debug\App.g.cs:line 0 at System.AppDomain._nExecuteAssembly(Assembly assembly, String[] args) at System.AppDomain.ExecuteAssembly(String assemblyFile, Evidence assemblySecurity, String[] args) at Microsoft.VisualStudio.HostingProcess.HostProc.RunUsersAssembly() at System.Threading.ThreadHelper.ThreadStart_Context(Object state) at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state) at System.Threading.ThreadHelper.ThreadStart() heres the code that adds and creates the LibraryStack and fills it public void ReplaceBackContent(List<Image> images, List<MediaElement> videos) { ContentControl3D control = this.TryFindParent<ContentControl3D>(); if (control == null) { return; } LibraryStack stack = new LibraryStack(); foreach (Image image in images) { if (image.Parent != null) { continue; } LibraryStackItem item = new LibraryStackItem(); item.Content = image; stack.Items.Add(item); } control.BackContent = stack; } Since it has the NotifyPartitionIsZombie error i already installed windows update KB967634 which had absolutely no effect at all

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  • How can I read individual lines of a CSV file into a string array, to then be selectively displayed

    - by Ryan
    I need your help, guys! :| I've got myself a CSV file with the following contents: 1,The Compact,1.8GHz,1024MB,160GB,440 2,The Medium,2.4GHz,1024MB,180GB,500 3,The Workhorse,2.4GHz,2048MB,220GB,650 It's a list of computer systems, basically, that the user can purchase. I need to read this file, line-by-line, into an array. Let's call this array csvline(). The first line of the text file would stored in csvline(0). Line two would be stored in csvline(1). And so on. (I've started with zero because that's where VB starts its arrays). A drop-down list would then enable the user to select 1, 2 or 3 (or however many lines/systems are stored in the file). Upon selecting a number - say, 1 - csvline(0) would be displayed inside a textbox (textbox1, let's say). If 2 was selected, csvline(1) would be displayed, and so on. It's not the formatting I need help with, though; that's the easy part. I just need someone to help teach me how to read a CSV file line-by-line, putting each line into a string array - csvlines(count) - then increment count by one so that the next line is read into another slot. So far, I've been able to paste the numbers of each system into an combobox: Using csvfileparser As New Microsoft.VisualBasic.FileIO.TextFieldParser _ ("F:\folder\programname\programname\bin\Debug\systems.csv") Dim csvalue As String() csvfileparser.TextFieldType = Microsoft.VisualBasic.FileIO.FieldType.Delimited csvfileparser.Delimiters = New String() {","} While Not csvfileparser.EndOfData csvalue = csvfileparser.ReadFields() combobox1.Items.Add(String.Format("{1}{0}", _ Environment.NewLine, _ csvalue(0))) End While End Using But this only selects individual values. I need to figure out how selecting one of these numbers in the combobox can trigger textbox1 to be appended with just that line (I can handle the formatting, using the string.format stuff). If I try to do this using csvalue = csvtranslator.ReadLine , I get the following error message: "Error 1 Value of type 'String' cannot be converted to '1-dimensional array of String'." If I then put it as an array, ie: csvalue() = csvtranslator.ReadLine , I then get a different error message: "Error 1 Number of indices is less than the number of dimensions of the indexed array." What's the knack, guys? I've spent hours trying to figure this out. Please go easy on me - and keep any responses ultra-simple for my newbie brain - I'm very new to all this programming malarkey and just starting out! :)

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  • how to use SQL wildcard % with Queryset extra>select?

    - by tylias
    I'm trying to add weights to search terms I'm using to filter a queryset. Using the '%' wildcard is causing me some problems. I'm using the extra() modifier to add a weight parameter to the queryset, which I will be using to inform a sort ordering. (See http://docs.djangoproject.com/en/1.1/ref/models/querysets/#extra-select-none-where-none-params-none-tables-none-order-by-none-select-params-none ) Here's the gist of the code: def viewname(request) ... exact_matchstrings="" exact_matchstrings.append("(accountprofile.first_name LIKE '" + term + "')") exact_matchstrings.append("(accountprofile.first_name LIKE '" + term + '\%' + "')") extraquerystring = " + ".join(exact_matchstrings) return_queryset = return_queryset.extra( select = { 'match_weight': extraquerystring }, ) The effect I'm going for is that if the search term matches exactly, the weight associated with the record is 2, but if the term merely starts with the search term and isn't an exact match, the weight is 1. (for example, if 'term' = 'Jon', an entry with first_name='Jon' gets a weight of 2 but an entry with an entry with first_name = 'Jonathan' gets a weight of 1.) I can test the statement in SQL and it seems to work well enough. If I make this SQL query from the mysql shell, no problem: select (first_name like "Carl") + (first_name like "Car%") from accountprofile; But trying to run it via the extra() modifier in my view code and evaluating the resulting queryset gives me the following error: Traceback (most recent call last): File "<console>", line 1, in <module> File "/usr/local/lib/python2.6/dist-packages/django/db/models/query.py", line 68, in __repr__ data = list(self[:REPR_OUTPUT_SIZE + 1]) File "/usr/local/lib/python2.6/dist-packages/django/db/models/query.py", line 83, in __len__ self._result_cache.extend(list(self._iter)) File "/usr/local/lib/python2.6/dist-packages/django/db/models/query.py", line 238, in iterator for row in self.query.results_iter(): File "/usr/local/lib/python2.6/dist-packages/django/db/models/sql/query.py", line 287, in results_iter for rows in self.execute_sql(MULTI): File "/usr/local/lib/python2.6/dist-packages/django/db/models/sql/query.py", line 2369, in execute_sql cursor.execute(sql, params) File "/usr/local/lib/python2.6/dist-packages/django/db/backends/util.py", line 22, in execute sql = self.db.ops.last_executed_query(self.cursor, sql, params) File "/usr/local/lib/python2.6/dist-packages/django/db/backends/__init__.py", line 217, in last_executed_query return smart_unicode(sql) % u_params ValueError: unsupported format character ''' (0x27) at index 309 I've tried it escaping and not escaping % wildcard but that doesn't solve the problem. Doesn't seem to affect it at all, really. Any ideas?

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  • Querable and BindingSource item add .net

    - by Alexander
    Hello! I wrote my own simple Querable provider whick retrieves data from database. Now I need to bind this data to BindingSource and when new item added to BindingSource some event or method must be called for handling add operation. I have tried to implement IBingingList on a List class which is returned when query is completed, but AddNew method is not called when item added. How to implement this scenario?

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  • Parsing Twitter API Datestamp

    - by Chris Armstrong
    I'm using the twitter API to return a list of status updates and the times they were created. It's returning the creation date in the following format: Fri Apr 09 12:53:54 +0000 2010 What's the simplest way (with PHP or Javascript) to format this like 09-04-2010?

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  • Facebook API: Set User Status with "@mentions" integration

    - by JWD
    StackOverflow'ers, I realize the new "@mentions" is a very new feature to facebook, but can any of you think of how to access this feature using the Facebook API? I would assume there would need to be a separate call to get a list of available users/applications/ect... I am just brainstorming here, I realize this may not be possible yet. Any help is much appreciated. Thanks!

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  • PHP FPDF PDF Page Break Question

    - by Michael
    I am using PHP and FPDF to generate a PDF with a list of items. My problem is if the item list goes on to a second or third page, I want to keep the Item Name, Quantity and Description together. Right now, it will go to a second page, but it may split up all of the details for a particular item. PLEASE HELP! <?php require_once('auth.php'); require_once('config.php'); require_once('connect.php'); $sqlitems="SELECT * FROM $tbl_items WHERE username = '" . $_SESSION['SESS_LOGIN'] . "'"; $resultitems=mysql_query($sqlitems); require_once('pdf/fpdf.php'); require_once('pdf/fpdi.php'); $pdf =& new FPDI(); $pdf->AddPage('P', 'Letter'); $pdf->setSourceFile('pdf/files/healthform/meds.pdf'); $tplIdx = $pdf->importPage(1); $pdf->useTemplate($tplIdx); $pdf->SetAutoPageBreak(on, 30); $pdf->SetTextColor(0,0,0); $pdf->Ln(10); while($rowsitems=mysql_fetch_array($resultitems)){ $pdf->SetFont('Arial','B',10); $pdf->Cell(50,4,'Item Name:',0,0,'L'); $pdf->SetFont(''); $pdf->Cell(100,4,$rowsitems['itemname'],0,0,'L'); $pdf->SetFont('Arial','B',10); $pdf->Cell(50,4,'Quantity:',0,0,'L'); $pdf->SetFont(''); $pdf->Cell(140,4,$rowsitems['itemqty'],0,1,'L'); $pdf->SetFont('Arial','B'); $pdf->Cell(50,4,'Description:',0,0,'L'); $pdf->SetFont(''); $pdf->Cell(140,4,$rowsitems['itemdesc'],0,1,'L'); } $pdf->Output('Items.pdf', 'I'); ?>

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  • Linq-to-SQL Grouping not ordering correctly

    - by Grant
    Hi can someone help me convert this tsql statement into c# linq2sql? select [series] from table group by [series] order by max([date]) desc This is what i have so far - the list is not in correct order.. var x = from c in db.Table orderby c.Date descending group c by c.Series into d select d.Key;

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  • How to Get Serial Number or ID of Android Emulator After it Runs?

    - by papalagi
    If I run several emulators with -no-window option in one machine. The command "adb devices" shows: List of devices attached emulator-5554 device emulator-5556 device emulator-5558 device ... However, according to this output, I can't tell the difference between each emulator device at all. I need to know which emulator runs on what AVD, then I can install APKs or send commands to the emulator. How can I recognize each emulator device or get the serial number of emulator after it runs?

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  • ASP.NET AJAX AutoComplete Extender Scrolling Issue

    - by Kumar
    I was looking at the ASP.NET AJAX AutoComplete Extender sample on http://www.asp.net/AJAX/AjaxControlToolkit/Samples/AutoComplete/AutoComplete.aspx Once the items are populated in the list the scrolling doesn't seem to work in IE8 but it works in IE7. How can I make the scrolling work in IE8?

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  • NSMutableDictionary withcontentofURL

    - by user347741
    Hi, I want to fill a NSMutableDictionary with content out of a URL File. What type file must it be and how must it be structured? NSMutableDictionary *myMutableDictionary = [[NSMutableDictionary alloc] initWithContentsOfURL:[NSURL URLWithString:@"http://example.com/list.txt"]]; Thanks, Nostradamus

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  • Preview SMS format when sending email to SMS

    - by jarrett
    I'm using carrier-specific addresses to send email to SMS, which works fine. In reference to the answer of this question http://stackoverflow.com/questions/1179854/limitations-on-sms-messages-sent-using-free-email-sms-gateways is there any websites or other resources that list the format that is delivered for each carrier. ATT for example delivers the SMS with some added formatting that is not present with T-Mobile. I realize this is not a coding question, but since I can only see this question arising for someone that is creating email to SMS specific applications, it seems relevant to SO.

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  • My images are blurry! Why isn't WPF's SnapsToDevicePixels working?

    - by Zack Peterson
    I'm using some Images in my WPF applcation. XAML: <Image Name="ImageOrderedList" Source="images/OrderedList.png" ToolTip="Ordered List" Margin="0,0,5,5" Width="20" Height="20" SnapsToDevicePixels="True" MouseUp="Image_MouseUp" MouseEnter="Image_MouseEnter" MouseLeave="Image_MouseLeave" /> But, they appear fuzzy: Here's a zoomed-in, side-by-side comparison. An original is on the left: Why doesn't that SnapsToDevicePixels="True" line prevent this problem?

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  • recordset advance query

    - by tom
    I'd like to have a query for the first and last name on an enrollment list so that only one result show. However, if only the last name is chosen in the query multiple answers will show.

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  • SVNKit: Commit files that were manually deleted from filesystem( Work Copy)

    - by Jam
    I can not solve the problem with collecting CommitItem(changes that commit), or more accurately, I have no porblem with the changed and added files BUT files that I manually deleted from the file system is not seen in CommitItem list ... And those changes can not commit to the SVN server. If I delete a file using the API, then the problem does not exist... but manually deleting ... Has anyone had a similar problem?

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  • Problem in getting UnprocessedDocuments and CurrentDatabase using C# (domino.dll)

    - by Preeti
    Hi, I trying below code: NotesSession = _lotesNotesSession.GetDatabase("", NsfFile, false); _NewDatabase = _NotesSession.CurrentDatabase; ( Note : Showing "Not Implemented" exception.) _UnreadDocCollection = _NewDatabase.UnprocessedDocuments; Here i am trying to get list of Read and Unread Mails From Nsf File. Regards, Preeti Explanation: When i am using _NotesSession.CurrentDatabase it's trowing "Not implemented" Exception for CurrentDatabase.

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  • Post parameters are becoming null (at random)

    - by Raghuram Duraisamy
    Hi, My web application is developed with Struts2 and it was working fine till recently. All of a sudden one of the modules has started malfunctioning. The malfunctioning module is 'Update Student details' page. This page has a lot of fields like 'schoolName', 'degreeName', etc . School 1: <input name="schoolName"> School 2: <input name="schoolName"> ..... School n: <input name="schoolName"> As mentioned earlier, the page was working perfectly fine till recently. Now, one/many of the values of 'schoolName', 'degreeName', etc are being received as "" (EMPTY STRING) on the server-side. For debugging, I used firebug and remote-debugging in eclipse. I find that the post-parameters are correct on the client-side. For instance, during one of the submissions the post-parameters were as below (i noted them from firebug). Content-Type: multipart/form-data; boundary=---------------------------2921238217421 Content-Length: 48893 <OTHER_PARAMETERS> <!--Truncated for clarity --> -----------------------------2921238217421 Content-Disposition: form-data; name="schoolName" ABC Institute -----------------------------2921238217421 Content-Disposition: form-data; name="schoolName" Test School -----------------------------2921238217421 Content-Disposition: form-data; name="schoolName" XYZ -----------------------------2921238217421 Content-Disposition: form-data; name="schoolName" Texas Institute -----------------------------2921238217421 Content-Disposition: form-data; name="schoolName" XXXX School -----------------------------2921238217421-- But on the server-side, the request params were as below: schoolName=[ABC Institute, Test School, XYZ, , XXXX School], "Texas Institute" was received as "" (EMPTY STRING) in this particular case. This is not happening consistently. The parameters that become NULL (or EMPTY STRING) seem random to me - during one instance, parameter schoolName[3] became null as illustrated above, parameter schoolName[2] became null during yet another submission, etc. At times, none of the parameters are nullified. The following is the list of the interceptors in the action definition. List of interceptors: ---------------------- FileUploadInterceptor org.apache.struts2.interceptor.FileUploadInterceptor ServletConfigInterceptor org.apache.struts2.interceptor.ServletConfigInterceptor StaticParametersInterceptor com.opensymphony.xwork2.interceptor.StaticParametersInterceptor ParametersInterceptor com.opensymphony.xwork2.interceptor.ParametersInterceptor MyCustomInterceptor com.xxxx.yyyy.interceptors.GetLoggedOnUserInterceptor This issue appears rather weird to me and I have not been able to zero-in on the exact cause of the issue. Any help in this regard would be highly appreciated. Thanks in advance. Thanks, Raghuram

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  • How to populate this JRDataSource?

    - by Kumar
    Hi, I want to create pdf document using JRDataSource using jasper report.Actually i m having one bean object that object has List of another bean object and one string value,The inner bean object has two String variables .Now i don't know how to map these all three variable in the jrxml document to populate the values in pdf document . Can anyone help me how to solve this problem.If u can provide me some code snippet.

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  • Web Part Error: This page has exceeded its data fetch limit for connected Web Parts

    - by user348515
    Hi Experts, I have a display form with two custom list forms and both are connected to each other and they display the results according to the filter. But when ever I sort on any field, it gives the following error: Web Part Error: This page has exceeded its data fetch limit for connected Web Parts. Try disconnecting one or more Web Parts to correct the problem. I appreciate any help. Thanks SP

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