How To Add JavaScript Delete Confirmation in GridView "Delete" Command Button dynamically?

In the RowDataBound event of the GridView control, find the Delete Command Button control by specifying the cell index. Then add an attribute to that control has follows.

if (e.Row.RowType == DataControlRowType.DataRow)
{
if (e.Row.Cells[1].HasControls())
{
LinkButton lnkbtnDelete = ((LinkButton)e.Row.Cells[1].Controls[0]);
lnkbtnDelete.Attributes.Add("onclick", "return confirm('Do you want to Delete?');");
}
}

Note:
1. The Cell starts with 0 Index.
2. The line "if (e.Row.Cells[1].HasControls())" is to check, if the control is exists or not. This will be useful, when Edit Command Button is used along with Delete Command Button.

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