How to save values in editable gridview?

[students552 university]

I have an editable gridview with blank cells. User enters some numeric data in cells and also user can clicks a button to add new row to gridview. My problem is that, as soon as button click event is fired, the page refreshes & the gridview becomes empty. Can anybody tell me, how can I save values in gridview until the user saves all changes to the server in the end

[Not Active]

Look at the section on Edit Mode, DataGridDemo[^] Store the values entered in a datasource, such as a datatable that is bound to the grid.

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