One note will be helpful for you, while describing Columns in Grid View if you are using a boundfield then create objects of the control using cells[index] in the rowupdateing event of Grid View, but if you are using controls itself like Label or textboxes etc then use Fincontrol("stringid").
When you use Sql Data Adapter for performing updates, the Sql Data Adapter propagates the updates one by one.
If we set the batch size to 10 then Row Updating will be raised for 100 times where as Row Updated will be raised only for 10 times.
Following code illustrates use of this feature: Notice how we have attached event handlers to the Row Updating and Row Updated events.
Note A common mistake that a lot of people do is that they perform a databind each and every-time the Page_Load method is called.
This will lead to problems like "Grid View does not show updated values", "Grid View looses values changed by user". In your Page_load, this is typically only inside a block where you check to make sure that Page_Load is not being called during a post-back call.
NET Grid View completely, and how to use Row Editing, Row Updating, Row Deleting, Row Command, Row Data Bound, Row Canceling Edit, and Pagination in a Data Grid.
There are also two events associated with this that you can use � Row Updating and Row Updated. in the absence of batch update, both of these events are raised for each and every row being updated.For example, if we are updating 100 rows, both of these rows are raised for 100 times.However, when you turn on the batch update behavior, the Row Updating event is raised as in previous case but Row Updated event is raised after the entire batch is updated. There are multiple ways in which one can get the data from the current row that is being edited in a Grid View. Using "Extract Values From Cell": This is an easy way to get all the values from the current row. In my case this was happening because I was binding to a List of custom objects. Add(New Data Column("Col1_PH", Get Type(String))) dt. before that i want just using Find control and casting and then retrieving all lot code. If values are same they could notify user to change the value(give new cell value).But I have no idea how to get those value when doing Row Editing & Row Updating. Bind Data() End Sub Protected Sub Grid View1_Row Updating(By Val sender As Object, By Val e As Grid View Update Event Args) 'Retrieve the table from the session object. New Edit Index 'Bind data to the Grid View control. Bind Data() End Sub Private Sub Create Data Table() Dim cmd As New System. You're accessing so many items without null checks that it could be any number of things. Are you sure all of the controls exist in the cells you're specifying? This article will give you an overview of how to use an ASP.