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Once we have a reference to the Text Box, we set the new first name.For the Template Field, we do know the ID of the control since we specified it in the markup, so we obtain a reference to it by calling Find Control on the appropriate row of the Grid View.There are similar questions on Stackoverflow and other websites, but I seem to miss something.I have a Grid View bound to a Data Table which comes from a database.The example shown here is for a Grid View, but the same types of event handlers must be implemented in roughly the same way for other data controls including the Form View, Details View, and List View. This is the final Grid View markup, so you can see the event handlers we’re going to implement.

We’re using Linq to SQL to pull data from our database and bind it to the Grid View.The Grid View Row is the naming container for the Text Box in this case, so we need to call Find Control on the appropriate row, but we do not need to call it on the specific cell.Once we have a reference to the Text Box, we set the new last name and save the changes (through the Submit Changes method).The original method shown above did not implement any sorting, but now that we have a place to store the Sort Expression and Sort Direction we need to change that.After specifying the query, we add the appropriate sorting. When you bind a Grid View through a Data Source ID, the Grid View will update this value since it is internally tracking the sort expression, so it knows when to switch between ascending and descending.

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