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By Default, Grid View control displays Item Template which directly shows the Product Name and Unit Price columns but when user clicks Edit button Grid View automatically switches to Edit Item Template and display the control available inside Edit Item Template for user editing.
Now I will show you the C# code behind file of the above ASP.
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.
To do this we first need to obtain the reference of the current row by using its index no as shown in the first line below.
By using the Grid View Row object we can find the reference of any control in the row in which user is editing the data.
You need to include the Grid View Command Field column to add Edit, Update and Cancel Buttons in the Grid View. You need to include Template Field for every column you want to provide Editing because Template Field provides you both Item Template and Edit Item Template to create interface for two separate Grid View modes. You need to handle Grid View events such as Row Editing, Row Canceling Edit and Row Updating to provide desired editing functionality. Normally in gridivew, All buttons are enabled (Edit, Update or Cancel)Is it possible to force the user to Click on Update/Cancel button, when in Record Edit Mode.
In the above code, I set two properties Show Edit Button and Show Cancel Button of Command Field.
NET page that will handle different Grid View events to provide complete editing functionality. Data Bind();} For brevity I am not storing connection string in the web.config and also not using any Data Access Component.
These properties will automatically render Edit, Update and Cancel buttons inside Grid View column.
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.