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We can achieve the same functionality using Datakeys.
In this example, I am going to retrieve values from categories table of Northwind database. Drag a Grid View into the Web Form and assign Data Key Names property with the primary key column i.e. In the gdview_Row Editing and gdview_Row Deleting event, we have used the below code to retrieve categoryid from datakey of Grid View, int catid = int.
Hi , I've a requirement to update the data in gridview.
Data Bind()I have edited my code in the question with the change what you asked me to do. When I debug the program : the txt1,txt2,txt3 is null. Help me please, while am in the urge of getting rid of this issue.
I think it is not holding the value that i entered in the Grid. Thank you Your column headings or SQL field names will automatically be declared as variables.
event is raised when a button is clicked in the Grid View control.
This enables you to provide an event-handling method that performs a custom routine whenever this event occurs.