How to refresh a GridView?
the GridView has an invalidateViews() method. when you call this method: “all the views to be rebuilt and redrawn.” http://developer.android.com/reference/android/widget/GridView.html i think this is what you need:)
the GridView has an invalidateViews() method. when you call this method: “all the views to be rebuilt and redrawn.” http://developer.android.com/reference/android/widget/GridView.html i think this is what you need:)
The key is the childAspectRatio. This value is use to determine the layout in GridView. In order to get the desired aspect you have to set it to the (itemWidth / itemHeight). The solution would be this: class MyHomePage extends StatefulWidget { MyHomePage({Key key, this.title}) : super(key: key); final String title; @override _MyHomePageState createState() => … Read more
As you’re using UpdatePanels you’re going to need to hook into the ASP.NET AJAX PageRequestManager You’ll need to add a method to the endRequest event hooks that are: Raised after an asynchronous postback is finished and control has been returned to the browser. So you’d have something like: <script type=”text/javascript”> Sys.WebForms.PageRequestManager.getInstance().add_endRequest(pageLoaded); function pageLoaded(sender, args) { … Read more
The following will show how to retrieve an image from SQL Server and display it in a GridView on an ASP.NET web page. Create a table in the database: CREATE TABLE Surplus([Surplus Id] int not null, Department nchar(50), Category nchar(25), Item nchar(75), Visible bit, TransferableImage varbinary(max), CONSTRAINT PK_Surplus_SurplusId PRIMARY KEY([Surplus Id])); Note: If a table … Read more
TableLayout and GridLayout support column spanning, but GridView does not.
But now that I want to change my layout and have the gridview grow on its width instead of height as it grows bigger I do not believe GridView supports that — sorry!
You can modify the Gridview’s Columns collection in your code-behind. So, one way of doing this is to remove the column from its current position in the collection and then re-insert it into the new position. For example, if you wanted to move the second column to be the first column you could do: var … Read more
if you’re using sqldatasource or objectdatasource You need to use the ReturnValue of the ObjectDataSourceStatusEventArgs or SqlDataSourceStatusEventArgs while handling the datasource’s Selected event. If you are using sqldatasource, you can count the total rows using the ‘Selected’ event which gets fired after the select operation has been completed. protected void SqlDataSource1_Selected(object sender, SqlDataSourceStatusEventArgs e) { … Read more
You cannot reorder a GridView unless the ItemsSource is bound to an ObservableCollection and CanReorderItems, CanDragItems, and AllowDrop are set to true. It is not necessary to use a CollectionViewSource to enable reordering in your gridview. In fact, a collectionviewsource is often used for grouping a gridview and reordering is not possible when data is … Read more
Here’s something I prepared earlier: public class RowClickableGridView : GridView { public Style HoverRowStyle { get { return ViewState[“HoverRowStyle”] as Style; } set { ViewState[“HoverRowStyle”] = value; } } public bool EnableRowClickSelection { get { return ViewState[“EnableRowClickSelection”] as bool? ?? true; } set { ViewState[“EnableRowClickSelection”] = value; } } public string RowClickCommand { get { … Read more