gridview

How to set Custom height for Widget in GridView in Flutter?

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

Reset scroll position after Async postback – ASP.NET

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

Display varbinary Image in Gridview

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

Count total rows of gridview with pagination

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

XAML/C#: What event fires after reordering a gridview?

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

Making an entire row clickable in a gridview

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