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  • Is DataGrid a necessity in WPF?

    - by Jobi Joy
    I have seen a lot of discussions going on and people asking about DataGrid for WPF and complaining about Microsoft for not having one with their WPF framework till date. We know that WPF is a great UI technology and have the Concept of ItemsControl,DataTemplate, etc,etc to make great UX. Even WPF has got a more closely matching control- ListView, which can be easily templated to give better UX than a traditional Datagrid like display. And I would say a readymade DataGrid control will kill or hide a lot of creativity and it surely will decrease the innovations in User Experience field. So what is your opinion about the need of DataGrid in WPF as a Framework component? If you feel it is necessary then is it just because the world is so used to the DatGrid way of data display for many years? Some other threads having the discussion about DatGrid are here and here Link to WPF ToolKit - Latest WPF DatGrid

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  • Launch Activity for a certain record

    - by OceanBlue
    I have an screen that displays all the names in the Contacts in a ListView. When the user clicks on a name, I want to launch another Activity which display the details of the selected Contact (Phone number/ email) in another screen. How do I display details for the selected row. (i.e When starting the intent how do I send over the row_id of the item selected)? I've tried the following code: Intent i = new Intent(this, ContactDetails.class); startActivity(i);

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  • Is it possible to create a generic Util Function to be used in Eval Page

    - by Nassign
    I am currently binding a Nullable bit column to a listview control. When you declare a list view item I need to handle the case when the null value is used instead of just true or false. <asp:Checkbox ID="Chk1" runat="server" Checked='<%# HandleNullableBool(Eval("IsUsed")) %>' /> Then in the page I add a HandleNullableBool() function inside the ASPX page. protected static bool HandleNullableBool(object value) { return (value == null) ? false : (bool)value; } This works fine but I need to use this in several pages so I tried creating a utility class with a static HandleNullableBool. But using it in the asp page does not work. Is there a way to do this in another class instead of the ASPX page? <asp:Checkbox ID="Chk1" runat="server" Checked='<%# Util.HandleNullableBool(Eval("IsUsed")) %>' />

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  • wpf combobox padding

    - by Jose
    This is a simple question How do you remove the space between the content of a combobox and the border of it. E.g. If the selection of a combobox is "Selection 1" then the "S" is drawn at the very top left of the ComboBox control with no whitespace spacing between it and top left portion of the control. I did this <ComboBox Padding="0"/> Even this: <ComboBox.ItemContainerStyle> <Style TargetType="ComboBoxItem"> <Setter Property="Padding" Value="0"/> </Style> </ComboBox.ItemContainerStyle> The specified ComboBox above is within a ListView GridViewColumn. Maybe that's messing with something. This doesn't remove the padding. Any ideas?

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  • T-SQL Dynamic SQL and Temp Tables

    - by George
    It looks like #temptables created using dynamic SQL via the EXECUTE string method have a different scope and can't be referenced by "fixed" SQLs in the same stored procedure. However, I can reference a temp table created by a dynamic SQL statement in a subsequence dynamic SQL but it seems that a stored procedure does not return a query result to a calling client unless the SQL is fixed. A simple 2 table scenario: I have 2 tables. Let's call them Orders and Items. Order has a Primary key of OrderId and Items has a Primary Key of ItemId. Items.OrderId is the foreign key to identify the parent Order. An Order can have 1 to n Items. I want to be able to provide a very flexible "query builder" type interface to the user to allow the user to select what Items he want to see. The filter criteria can be based on fields from the Items table and/or from the parent Order table. If an Item meets the filter condition including and condition on the parent Order if one exists, the Item should be return in the query as well as the parent Order. Usually, I suppose, most people would construct a join between the Item table and the parent Order tables. I would like to perform 2 separate queries instead. One to return all of the qualifying Items and the other to return all of the distinct parent Orders. The reason is two fold and you may or may not agree. The first reason is that I need to query all of the columns in the parent Order table and if I did a single query to join the Orders table to the Items table, I would be repoeating the Order information multiple times. Since there are typically a large number of items per Order, I'd like to avoid this because it would result in much more data being transfered to a fat client. Instead, as mentioned, I would like to return the two tables individually in a dataset and use the two tables within to populate a custom Order and child Items client objects. (I don't know enough about LINQ or Entity Framework yet. I build my objects by hand). The second reason I would like to return two tables instead of one is because I already have another procedure that returns all of the Items for a given OrderId along with the parent Order and I would like to use the same 2-table approach so that I could reuse the client code to populate my custom Order and Client objects from the 2 datatables returned. What I was hoping to do was this: Construct a dynamic SQL string on the Client which joins the orders table to the Items table and filters appropriate on each table as specified by the custom filter created on the Winform fat-client app. The SQL build on the client would have looked something like this: TempSQL = " INSERT INTO #ItemsToQuery OrderId, ItemsId FROM Orders, Items WHERE Orders.OrderID = Items.OrderId AND /* Some unpredictable Order filters go here */ AND /* Some unpredictable Items filters go here */ " Then, I would call a stored procedure, CREATE PROCEDURE GetItemsAndOrders(@tempSql as text) Execute (@tempSQL) --to create the #ItemsToQuery table SELECT * FROM Items WHERE Items.ItemId IN (SELECT ItemId FROM #ItemsToQuery) SELECT * FROM Orders WHERE Orders.OrderId IN (SELECT DISTINCT OrderId FROM #ItemsToQuery) The problem with this approach is that #ItemsToQuery table, since it was created by dynamic SQL, is inaccessible from the following 2 static SQLs and if I change the static SQLs to dynamic, no results are passed back to the fat client. 3 around come to mind but I'm look for a better one: 1) The first SQL could be performed by executing the dynamically constructed SQL from the client. The results could then be passed as a table to a modified version of the above stored procedure. I am familiar with passing table data as XML. If I did this, the stored proc could then insert the data into a temporary table using a static SQL that, because it was created by dynamic SQL, could then be queried without issue. (I could also investigate into passing the new Table type param instead of XML.) However, I would like to avoid passing up potentially large lists to a stored procedure. 2) I could perform all the queries from the client. The first would be something like this: SELECT Items.* FROM Orders, Items WHERE Order.OrderId = Items.OrderId AND (dynamic filter) SELECT Orders.* FROM Orders, Items WHERE Order.OrderId = Items.OrderId AND (dynamic filter) This still provides me with the ability to reuse my client sided object-population code because the Orders and Items continue to be returned in two different tables. I have a feeling to, that I might have some options using a Table data type within my stored proc, but that is also new to me and I would appreciate a little bit of spoon feeding on that one. If you even scanned this far in what I wrote, I am surprised, but if so, I woul dappreciate any of your thoughts on how to accomplish this best.

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  • save selected row in UITableView after reloadData

    - by vinnitu
    I write custom jabber client in iphone. I use xmppframework as engine. And I have UITableViewController with NSMutableArray for repesent contact list. When i receive(or somebody change it contents) roster (aka contact list) i wanna change UITableView items (add/remove/modify). So if User work with listView at time when list updates by [items addObject:newItem]; [self.tableView reloadData]; user lost current selection item. So, my question is howto save (if possible, i mean if given selected item not removed) current select item after reloadData? Thx.

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  • When I mix JSTL 1.0 and JSTL 1.1 taglib declarations, it causes a ParseException on some of my serve

    - by sangfroid
    Hello all, When I mix JSTL 1.0 and JSTL 1.1 taglib declarations, it causes a ParseException on some of my servers, but not all of them. Here is the block of code that's giving me trouble : <%@ taglib prefix="c" uri="http://java.sun.com/jstl/core"%> <%@ taglib prefix="fn" uri="http://java.sun.com/jsp/jstl/functions"%> <c:set var="TEXTVARIABLE">|STRINGOFTEXT|</c:set> <c:set var="OTHERTEXTVARIABLE">${fn:contains(TEXTVARIABLE, '|STRINGOFTEXT|')}</c:set> And here is the exception : javax.servlet.jsp.JspException: com.caucho.jsp.JspLineParseException: /WEB-INF/jsp/online/system/modules/com.MYCOMPANY.marketing/templates/common/MY_JSP_PAGE.jsp:1: tag = 'out' / attribute = 'value': An error occurred while parsing custom action attribute "value" with value "${fn:contains(TEXTVARIABLE, '|STRINGOFTEXT|')}": org.apache.taglibs.standard.lang.jstl.parser.ParseException: EL functions are not supported. However, everything works fine if I change the URI for the core declaration to http://java.sun.com/jsp/jstl/core So here's the really weird part : for some reason, mixing 1.0 and 1.1 taglib declarations only causes an exception on two of my servers -- my staging server and my production server. It causes no problems at all on my local machine or my development server. Why is this? What could possibly be causing this difference in behavior? The three servers are extremely similar in setup and configuration. The JSP page is being served up by OpenCMS, and I'm using the Caucho's Resin webserver. I understand that you don't know how my servers or CMS are set up, but really, what I'm looking for is ideas. Any ideas at all would help -- this problem has been driving me absolutely batty. Even if you don't know what could be causing the problem, if you have any suggestions at all for how I could approach the problem, that would be extremely helpful. I just don't understand what could cause this difference in behavior between my servers. For reference, here's the full stack trace : javax.servlet.jsp.JspException: com.caucho.jsp.JspLineParseException: /WEB-INF/jsp/online/system/modules/com.MYCOMPANY.marketing/templates/common/MY_JSP_PAGE.jsp:1: tag = 'out' / attribute = 'value': An error occurred while parsing custom action attribute "value" with value "${fn:contains(TEXTVARIABLE, '|STRINGOFTEXT|')}": org.apache.taglibs.standard.lang.jstl.parser.ParseException: EL functions are not supported. at org.opencms.jsp.CmsJspTagInclude.includeActionWithCache(CmsJspTagInclude.java:369) at org.opencms.jsp.CmsJspTagInclude.includeTagAction(CmsJspTagInclude.java:241) at org.opencms.jsp.CmsJspTagInclude.doEndTag(CmsJspTagInclude.java:472) at _jsp._WEB_22dINF._jsp._online._system._modules.com_MYCOMPANY__marketing._templates._MAIN_0PAGE__jsp._jspService(_MAIN_0PAGE__jsp.java:153) at com.caucho.jsp.JavaPage.service(JavaPage.java:60) at com.caucho.jsp.Page.pageservice(Page.java:579) at com.caucho.server.dispatch.PageFilterChain.doFilter(PageFilterChain.java:179) at shared.filter.RemoteAddrFilterBase.doFilter(RemoteAddrFilterBase.java:57) at com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:70) at com.caucho.server.webapp.DispatchFilterChain.doFilter(DispatchFilterChain.java:115) at com.caucho.server.cache.CacheFilterChain.doFilter(CacheFilterChain.java:175) at com.caucho.server.dispatch.ServletInvocation.service(ServletInvocation.java:229) at com.caucho.server.webapp.RequestDispatcherImpl.include(RequestDispatcherImpl.java:485) at com.caucho.server.webapp.RequestDispatcherImpl.include(RequestDispatcherImpl.java:350) at org.opencms.flex.CmsFlexRequestDispatcher.includeExternal(CmsFlexRequestDispatcher.java:194) at org.opencms.flex.CmsFlexRequestDispatcher.include(CmsFlexRequestDispatcher.java:169) at org.opencms.loader.CmsJspLoader.service(CmsJspLoader.java:1193) at org.opencms.flex.CmsFlexRequestDispatcher.includeInternalWithCache(CmsFlexRequestDispatcher.java:423) at org.opencms.flex.CmsFlexRequestDispatcher.include(CmsFlexRequestDispatcher.java:173) at org.opencms.loader.CmsJspLoader.dispatchJsp(CmsJspLoader.java:1227) at org.opencms.loader.CmsJspLoader.load(CmsJspLoader.java:1171) at org.opencms.loader.A_CmsXmlDocumentLoader.load(A_CmsXmlDocumentLoader.java:232) at org.opencms.loader.CmsXmlContentLoader.load(CmsXmlContentLoader.java:52) at org.opencms.loader.CmsResourceManager.loadResource(CmsResourceManager.java:964) at org.opencms.main.OpenCmsCore.showResource(OpenCmsCore.java:1498) at org.opencms.main.OpenCmsServlet.doGet(OpenCmsServlet.java:152) at javax.servlet.http.HttpServlet.service(HttpServlet.java:115) at javax.servlet.http.HttpServlet.service(HttpServlet.java:92) at com.caucho.server.dispatch.ServletFilterChain.doFilter(ServletFilterChain.java:106) at com.caucho.filters.CmsGzipFilter.doFilter(CmsGzipFilter.java:177) at com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:70) at shared.filter.RemoteAddrFilterBase.doFilter(RemoteAddrFilterBase.java:57) at com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:70) at com.caucho.server.webapp.DispatchFilterChain.doFilter(DispatchFilterChain.java:115) at com.caucho.server.dispatch.ServletInvocation.service(ServletInvocation.java:229) at com.caucho.server.webapp.RequestDispatcherImpl.forward(RequestDispatcherImpl.java:277) at com.caucho.server.webapp.RequestDispatcherImpl.forward(RequestDispatcherImpl.java:106) at com.caucho.server.dispatch.ForwardFilterChain.doFilter(ForwardFilterChain.java:80) at com.caucho.server.cache.CacheFilterChain.doFilter(CacheFilterChain.java:207) at com.caucho.server.webapp.WebAppFilterChain.doFilter(WebAppFilterChain.java:173) at com.caucho.server.dispatch.ServletInvocation.service(ServletInvocation.java:229) at com.caucho.server.http.HttpRequest.handleRequest(HttpRequest.java:274) at com.caucho.server.port.TcpConnection.run(TcpConnection.java:514) at com.caucho.util.ThreadPool.runTasks(ThreadPool.java:520) at com.caucho.util.ThreadPool.run(ThreadPool.java:442) at java.lang.Thread.run(Thread.java:595) Caused by: com.caucho.jsp.JspLineParseException: /WEB-INF/jsp/online/system/modules/com.MYCOMPANY.marketing/templates/common/MY_JSP_PAGE.jsp:1: tag = 'out' / attribute = 'value': An error occurred while parsing custom action attribute "value" with value "${fn:contains(TEXTVARIABLE, '|STRINGOFTEXT|')}": org.apache.taglibs.standard.lang.jstl.parser.ParseException: EL functions are not supported. at com.caucho.jsp.java.JspNode.error(JspNode.java:1489) at com.caucho.jsp.java.JspNode.error(JspNode.java:1480) at com.caucho.jsp.java.JavaJspGenerator.validate(JavaJspGenerator.java:466) at com.caucho.jsp.JspCompilerInstance.generate(JspCompilerInstance.java:475) at com.caucho.jsp.JspCompilerInstance.compile(JspCompilerInstance.java:373) at com.caucho.jsp.JspManager.compile(JspManager.java:233) at com.caucho.jsp.JspManager.createPage(JspManager.java:177) at com.caucho.jsp.JspManager.createPage(JspManager.java:157) at com.caucho.jsp.PageManager.getPage(PageManager.java:248) at com.caucho.jsp.PageManager.getPage(PageManager.java:166) at com.caucho.jsp.QServlet.getSubPage(QServlet.java:292) at com.caucho.jsp.QServlet.getPage(QServlet.java:210) at com.caucho.server.dispatch.PageFilterChain.compilePage(PageFilterChain.java:206) at com.caucho.server.dispatch.PageFilterChain.doFilter(PageFilterChain.java:133) at shared.filter.RemoteAddrFilterBase.doFilter(RemoteAddrFilterBase.java:57) at com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:70) at com.caucho.server.webapp.DispatchFilterChain.doFilter(DispatchFilterChain.java:115) at com.caucho.server.cache.CacheFilterChain.doFilter(CacheFilterChain.java:175) at com.caucho.server.dispatch.ServletInvocation.service(ServletInvocation.java:229) at com.caucho.server.webapp.RequestDispatcherImpl.include(RequestDispatcherImpl.java:485) at com.caucho.server.webapp.RequestDispatcherImpl.include(RequestDispatcherImpl.java:350) at org.opencms.flex.CmsFlexRequestDispatcher.includeExternal(CmsFlexRequestDispatcher.java:194) at org.opencms.flex.CmsFlexRequestDispatcher.include(CmsFlexRequestDispatcher.java:169) at org.opencms.loader.CmsJspLoader.service(CmsJspLoader.java:1193) at org.opencms.flex.CmsFlexRequestDispatcher.includeInternalWithCache(CmsFlexRequestDispatcher.java:423) at org.opencms.flex.CmsFlexRequestDispatcher.include(CmsFlexRequestDispatcher.java:173) at org.opencms.jsp.CmsJspTagInclude.includeActionWithCache(CmsJspTagInclude.java:364) ... 45 more Thanks for the help!

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  • Do all widgets in an Android layout file require layout_width and layout_height ?

    - by Eno
    I have a ListView composed of LinearLayouts. Inside each is an ImageView, TextView and another ImageView laid out horizontally: <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="horizontal" android:layout_width="fill_parent" android:layout_height="wrap_content" > <ImageButton android:id="@+id/thumbnail" android:background="@color/white" android:paddingTop="10dip" android:paddingLeft="8dip" android:paddingBottom="10dip" /> <TextView android:id="@+id/title" android:background="@color/white" android:textColor="@color/bntext" android:paddingTop="10dip" android:paddingLeft="8dip" /> <ImageButton android:src="@drawable/green_arrow_small" android:background="@color/white" /> </LinearLayout>

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  • ASP.NET UserControl Inheritence

    - by Craig
    I have a UserControl that is working fine. It is declared like this. public partial class DynamicList : System.Web.UI.UserControl { protected static BaseListController m_GenericListController = null; public DynamicList() { m_GenericListController = new GenericListController(this); } } Now I want to override this control so I can change some of the properties. I have created a class like this. public partial class JobRunningList : DynamicList { public JobRunningList() { m_GenericListController = new JobListController(this); (m_GenericListController as GenericListController).ModuleId = 14; } } It appears that the controls in the DynamicList are not getting created though when I use the JobRunningList control now causing predictably bad results. The DynamicList UserControl has a ListView on it and a few other controls. It appears these are not created when using the JobRunningList. Is there any secret to this?

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  • Scrolling list in Android home screen widget

    - by DanyW
    Hi folks, I am trying to teach myself the basics of Android dev. At the moment I am experimenting with home screen widgets. I would like to create a simple widget that lists all my bookmarks. Somewhere in my googling I read that ListView is not usable in a widget. What's the best way to display a scrolling list in a widget? An example would be fantastic, but otherwise point me in the right general direction and I can research further. Thanks in advance, Dany.

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  • Displaying an XML DataSource

    - by Kubi
    Hi, I have an xml data file and I want to populate a listview in asp.net with this file. Can you show me how to generate an xslt and make a xml data file for this ? Thanks <Projects> <Project Name="" Category="" Subcategory=""> <Subheader></Subheader> <Thumbnail></Thumbnail> <CreateDate></CreateDate> <Explanation></Explanation> <PdfFile></PdfFile> <WordFile></WordFile> <Subheader></Subheader> <SlideShow> <Image></Image> <Image></Image> </SlideShow> </Project> </Projects>

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  • Hide Soft Keyboard Not Working ...

    - by stormin986
    I'm developing on the Droid Incredible (and have tested on a 1.5 AVD Emulator as well), and one of the tabs in my tab widget consists of a listview and a row with an EditText and a Send button (for a chat feature). I am using the following to close the soft keyboard once I click Send, but it's not working. This is identical to code I've found elsewhere that people have upvoted as correct. See anything I'm missing? // in Button's onClick(): EditText chatTextBox = (EditText) findViewById(R.id.chat_entry); // Handle button click ... chatTextBox.setText(""); InputMethodManager imm = (InputMethodManager)getSystemService(Context.INPUT_METHOD_SERVICE); imm.hideSoftInputFromInputMethod(chatTextBox.getWindowToken(), InputMethodManager.HIDE_IMPLICIT_ONLY); I also tried changing the flag to 0. No luck. Anyone know what's up??

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  • Delete section of streamreader

    - by Luke
    I am reading a file into my program using streamreader. private void loadFile() { lstDeliveryDetails.Items.Clear(); if (!File.Exists("../../MealDeliveries.txt")) { MessageBox.Show("File not found!"); return; } using (StreamReader sr = new StreamReader("../../MealDeliveries.txt")) { //first line is delivery name string strDeliveryName = sr.ReadLine(); while (strDeliveryName != null) { //other lines Delivery d = new Delivery(strDeliveryName, sr.ReadLine(), sr.ReadLine(), sr.ReadLine(), sr.ReadLine(), sr.ReadLine(), sr.ReadLine()); mainForm.myDeliveries.Add(d); //check for further values strDeliveryName = sr.ReadLine(); } } displayDeliveries(); } Eventually I end up with all the deliveries in the following array public static ArrayList myDeliveries = new ArrayList(); It is loaded into the listview. I select an item as follows: iDeliverySelected = lstDeliveryDetails.SelectedItems[0].Index; I am struggling to understand how I can select an item and use a delete button to remove it from the text file?

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  • Creating a QuerySet based on a ManyToManyField in Django

    - by River Tam
    So I've got two classes; Picture and Tag that are as follows: class Tag(models.Model): pics = models.ManyToManyField('Picture', blank=True) name = models.CharField(max_length=30) # stuff omitted class Picture(models.Model): name = models.CharField(max_length=100) pub_date = models.DateTimeField('date published') tags = models.ManyToManyField('Tag', blank=True) content = models.ImageField(upload_to='instaton') #stuff omitted And what I'd like to do is get a queryset (for a ListView) given a tag name that contains the most recent X number of Pictures that are tagged as such. I've looked up very similar problems, but none of the responses make any sense to me at all. How would I go about creating this queryset?

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  • Android: How to restore List data when pressing the "back" button?

    - by Rob
    Hi there, My question is about restoring complex activity related data when coming back to the activity using the "back" button". Activity A has a ListView which is connected to ArrayAdapter serving as its data source - this happens in onCreate(). By default, if I move to activity B and press "back" to get back to activity A, does my list stay intact with all the data or do I just get visual "copy" of the screen but the data is lost? What can I do when more than activities are involved? Let's say activity A starts activity B which starts activity C and then I press "back" twice to get to A. How do I ensure the integrity of the A's data when it gets back to the foreground? PrefsManager does not seem to handle complex object very intuitively. Thanks, Rob

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  • Reading a text file

    - by Luke
    I am trying to achieve a situation where i load a file into the program. I can use streamreader for this. Each record will be 7 lines long. Therefore lines 1,8,15,22,etc will all hold the same value. As will 2,9,16,23, etc and so on. What is the best way to achieve this? So that when i load the records in the listview, it recognises what i just said. Thanks

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  • [Android] ProgressBar inside SimpleAdapter

    - by lemon
    I'm trying to add a ProgressBar to my row.xml view but I can't seem to make it work I keep getting 06-09 12:44:44.802: ERROR/AndroidRuntime(1012): java.lang.IllegalStateException: android.widget.ProgressBar is not a view that can be bounds by this SimpleAdapter ArrayList arr = new ArrayList(); HashMap map = new HashMap(); map.put("progress", 10); arr.add(map); String [] fieldNames = {"progress"}; int [] fieldIds = {R.id.progress}; SimpleAdapter adapter = new SimpleAdapter(this, arr, R.layout.row, fieldNames, fieldIds); list = (ListView) findViewById(R.id.list); list.setAdapter(adapter); <ProgressBar android:id="@+id/progress" style="?android:attr/progressBarStyleHorizontal" android:max="100" android:progress="5" android:layout_width="fill_parent" android:layout_height="fill_parent" /> Does anyone have any idea what I'm missing?

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  • Calling Sub from EventHandler

    - by madlan
    I'm using the below to update controls from another thread (works great) How would I call a Sub (Named UpdateList)? The UpdateList updates a listview with a list of databases on a selected SQL instance, requires no arguments. Private Sub CompleteEventHandler(ByVal sender As Object, ByVal e As Microsoft.SqlServer.Management.Common.ServerMessageEventArgs) SetControlPropertyValue(Label8, "text", e.ToString) UpdateList() MessageBox.Show("Restore Complete") End Sub Delegate Sub SetControlValueCallback(ByVal oControl As Control, ByVal propName As String, ByVal propValue As Object) Private Sub SetControlPropertyValue(ByVal oControl As Control, ByVal propName As String, ByVal propValue As Object) If (oControl.InvokeRequired) Then Dim d As New SetControlValueCallback(AddressOf SetControlPropertyValue) oControl.Invoke(d, New Object() {oControl, propName, propValue}) Else Dim t As Type = oControl.[GetType]() Dim props As PropertyInfo() = t.GetProperties() For Each p As PropertyInfo In props If p.Name.ToUpper() = propName.ToUpper() Then p.SetValue(oControl, propValue, Nothing) End If Next End If End Sub Based On: http://www.shabdar.org/cross-thread-operation-not-valid.html

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  • WPF Accessing Items inside Listbox which has a UserControl as ItemTemplate

    - by Turker
    I have Window that has a ListBox ListBox(MyListBox) has a DataTable for its DataContext ListBox's ItemSource is : {Binding} Listbox has a UserControl(MyUserControl) as DataTemplate UserControl has RadioButtons and TextBoxes (At first They're filled with values from DataTable and then user can change them) Window has one Submit Button What I want to do is, when user clicks the submit button For each ListBox Item, get the values form UserControl's TextBoxes and RadioButtons. I was using that method for this job : foreach(var element in MyListBox.Items) { var border = MyListBox.ItemContainerGenerator.ContainerFromItem(element)as FrameworkElement; MyUserControl currentControl = VisualTreeHelper.GetChild(VisualTreeHelper.GetChild(VisualTreeHelper.GetChild(myBorder,0) as Border,0)as ContentPresenter,0)as MyUserControl; //And use currentControl } I realised nothing when using 3-5 items in Listbox. But when I used much more items, I saw that "var border" gets "null" after some elements looped in foreach function. I found the reason here : http://stackoverflow.com/questions/1675926/listview-itemcontainergenerator-containerfromitemitem-return-null-after-20-item So what can I do now? I want to access all items and get their values sitting on user controls. Thanks

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  • problem in displaying list using array adapters

    - by Rahul Varma
    Hi, I am trying to display the list of songs using array adapters. But the problem is i couldnt display the list and only empty screen with preset background is showing up. Here's the code...All the thee are seperate classes... Plz help me... public class SongsAdapter extends ArrayAdapter<SongsList>{ private Context context; TextView tvTitle; TextView tvMovie; TextView tvSinger; String s; public SongsAdapter(Context context, int resource, int textViewResourceId, String title) { super(context, resource, textViewResourceId); this.context=context; } public View getView(int position, View convertView, ViewGroup parent) { final int i=position; List<SongsList> listSongs = new ArrayList<SongsList>(); String title = listSongs.get(i).gettitleName().toString(); String album = listSongs.get(i).getmovieName().toString(); String artist = listSongs.get(i).getsingerName().toString(); String imgal = listSongs.get(i).gettitleName().toString(); LayoutInflater inflater = ((Activity) context).getLayoutInflater(); View v = inflater.inflate(R.layout.row, null); tvTitle=(TextView)v.findViewById(R.id.text2); tvMovie=(TextView)v.findViewById(R.id.text3); tvSinger=(TextView)v.findViewById(R.id.text1); tvTitle.setText(title); tvMovie.setText(album); tvSinger.setText(artist); final ImageView im=(ImageView)v.findViewById(R.id.image); s="http://www.gorinka.com/"+imgal; String imgPath=s; AsyncImageLoaderv asyncImageLoaderv=new AsyncImageLoaderv(); Bitmap cachedImage = asyncImageLoaderv.loadDrawable(imgPath, new AsyncImageLoaderv.ImageCallback() { public void imageLoaded(Bitmap imageDrawable, String imageUrl) { im.setImageBitmap(imageDrawable); } }); im.setImageBitmap(cachedImage); return v; } public class imageloader implements Runnable{ private String ss; private ImageView im; public imageloader(String s, ImageView im) { this.ss=s; this.im=im; Thread thread = new Thread(this); thread.start(); } public void run(){ try { HttpGet httpRequest = null; httpRequest = new HttpGet(ss); HttpClient httpclient = new DefaultHttpClient(); HttpResponse response = (HttpResponse) httpclient.execute(httpRequest); HttpEntity entity = response.getEntity(); BufferedHttpEntity bufHttpEntity = new BufferedHttpEntity(entity); InputStream is = bufHttpEntity.getContent(); Bitmap bm = BitmapFactory.decodeStream(is); Log.d("img","img"); is.close(); im.setImageBitmap(bm); } catch (Exception t) { Log.e("bitmap url", "Exception in updateStatus()", t); } } } } public class SongsList { private String titleName; private String movieName; private String singerName; private String imagePath; private String mediaPath; // Constructor for the SongsList class public SongsList(String titleName, String movieName, String singerName,String imagePath,String mediaPath ) { super(); this.titleName = titleName; this.movieName = movieName; this.singerName = singerName; this.imagePath = imagePath; this.mediaPath = mediaPath; } public String gettitleName() { return titleName; } public void settitleName(String titleName) { this.titleName = titleName; } public String getmovieName() { return movieName; } public void setmovieName(String movieName) { this.movieName = movieName; } public String getsingerName() { return singerName; } public void setsingerName(String singerName) { this.singerName = singerName; } public String getimagePath() { return imagePath; } public void setimagePath(String imagePath) { this.imagePath = imagePath; } public String getmediaPath() { return mediaPath; } public void setmediaPath(String mediaPath) { this.mediaPath = mediaPath; } } public class MusicListActivity extends Activity { @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.openadiuofile); ListView list = (ListView)findViewById(R.id.list1); SongsAdapter adapter = new SongsAdapter(this,R.layout.row, R.id.text2, null); list.setAdapter(adapter); } }

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  • How to read values from Gridview columns controls in WPF

    - by Sarat
    hi frnds, I am using a WPF application, in which i placed a listview control which has 3 gridview columns. First Gridview column has a label Control and the remaining 2 gridview columns has textbox control. Now my problem is if the user enters a value in the first Gridview textbox column, the second gridview textbox column should be updated with some value. Is there any way to do that. I am filling the list view with a datatable from code behind file. And also is there any way to get the value of the label control in the 1st gridview column. Thanks in advance urs Frnd :)

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  • What control will be best for Buddy List?

    - by Arnab
    I'm developing a xmpp chat client in C#.NET. I'm little confused about what control should I use for Buddy list. Buddy list will consist of status icon, name & his buddy pic. Can u please recommend that what control will be best for me to use? (Do u think that ListView will be appropriate?) Another question, I'm using agsxmpp. Does it support invisible status in Gtalk. Is there any library out there bettre than this ? Thanks.

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  • How can I add an Items-like property to my User Control?

    - by Dan Tao
    It's pretty straightforward to add simple properties to a User Control that will appear in the desired categories in the Windows Forms designer, e.g.: [Category("Appearance")] public Color BackColor { get { return _textBox.BackColor; } set { _textBox.BackColor = value; } } What if I want to expose a more complex property, such as a collection of items of a type I define? I'm thinking something along the lines of the ListView.Items property, or the DataGridView.Columns property -- where the user of the control can access this complex property via a more specialized pop-up form (as opposed to a simple TextBox or ComboBox). Even a simple nudge in the right direction would be much appreciated.

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  • WPF (irc) chat log control

    - by user408952
    I'm trying to learn WPF and was thinking about creating a simple IRC client. The most complicated part is to create the chat log. I want it to look more or less like the one in mIRC: or irssi: The important parts are that the text should be selectable, lines should wrap and it should be able to handle quite large logs. The alternatives that I can come up with are: StackPanel inside a ScrollViewer where each line is a row ListView, since that seems more suitable for dynamic content/data binding. Create an own control that does the rendering on its own. Is there any WPF guru out there that has some ideas on which direction to take and where to start?

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  • Android: How to find the position clicked from the context menu

    - by Josemalive
    Hi, I have a list view filled with data. I set up a context menu for the listview using the following code: list.setOnCreateContextMenuListener ( new View.OnCreateContextMenuListener() { public void onCreateContextMenu(ContextMenu menu, View view, ContextMenu.ContextMenuInfo menuInfo) { AdapterContextMenuInfo mi =(AdapterContextMenuInfo) menuInfo; menu.add(0, 0, 0, "Delete item"); } } ); I have the following method override to control de contextmenu menuitem selected: @Override public boolean onContextItemSelected(MenuItem item) { switch(item.getItemId()) { case 0: ShowAlert("hello from delete item"); break; default: return super.onContextItemSelected(item); } return true; } In this overrided method, how could i find the item of the list view that was clicked? Thanks in advance. Best Regards. Jose

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