Hi Ghasem,
Thank you for getting back to us.
You could use
Aggregate Functions to display total number of items in RadGridView. Another approach would be to predefine the tempplate of RadGridView and place a TextBlock elements and bind its Text property to the Items.Count of the grid.
I'm attaching you small sample demo, which illustrates how to achieve your goal.
Regards,
Vanya Pavlova
Telerik
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