In this article we create a Gridview from database and add some additional operations such a add, edit and delete data in the Grid View control.
In the previous article , we learned how to create a simple Grid View at runtime .
and my cs page code for rowcommand protected void Grid View1_Row Command(object sender, Grid View Command Event Args e) i got some error while reteriving the gridrow valuewheather this is corrector any other code must be their?
I am just wondering how to access the cell value for the row updating (event = Gridview.
Binding a Grid View control can sometimes get tricky when using the Visual Studio editor, especially when working with Drop Down List controls within the grid.
Today I was working on getting a row of the Grid View control to save the contents of a Drop Down List, and needed to add some custom code to set values passed to the Sql Data Source control on the update event.
If you reset the Data Source at this stage, your values for updating will be lost. I actually don't know how to write the Row Updating function, I just found it from the internet, and so of course it's not working. Please give some references and/or details of how to. Ok what's happening is that you are binding the data source for the Grid View every time a postback occurs in the Page_Load method.
Count ----------- The most common problem for losing new data entered while updating a Grid View or Data Grid is that you are resetting the Data Source for the Grid View or Data Grid in the Page_Load method. I actually don't know how to write the Row Updating function, I just found it from the internet, and so of course it's not working. Keys is an array of all the data keys you define for the gridview (Data Key Names="id", where "id" is the field name from your database query)e. Old Values are arrays of all the fields in the gridview data source that are NOT leys, where, as you might guess, e. You access the values stored in the event by index or name:e. So, to update, you might set the parameters as id = e. Sql Client; public partial class _Default : System. Open() Dim cmd As New Sql Command("Select * from stores", con) Dim da As New Sql Data Adapter(cmd) Dim ds As New Data Set() da. We can achieve the same functionality using Datakeys.