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I am using Template Field’s Item Template and Edit Item Template for providing read only and editing interface of the same column in the Grid View.
Next event is the Grid View Row Editing event to give ASP. You need to set the Edit Index property of the Grid View with the New Edit Index property of the Grid View Edit Event Args class.
If user clicks the Cancel button while Grid View is in editing mode, you need to Cancel the Editing process and also need to reset the Edit Index property to -1 in the Row Canceling Edit event of the Grid View control as shown below: The last step is to handle the Row Updating event to actually update the back end database.
In this tutorial we are searching for our Text Box controls txt Product Name and txt Unit Price.
To get the Primary Key reference we can use the Data Keys collection of the Grid View.