Command field - Giving a confirmation when deleting C#

protected void gvProjectList_RowDataBound(object sender, GridViewRowEventArgs e)
{
if (e.Row.RowType == DataControlRowType.DataRow)
{
// loop all data rows
foreach (DataControlFieldCell cell in e.Row.Cells)
{
// check all cells in one row
foreach (Control control in cell.Controls)
{
//Links as the command button.
LinkButton button = control as LinkButton;
if (button != null && button.CommandName == "Delete")
// Add delete confirmation
button.OnClientClick = "if (!confirm('Are you sure " +
"you want to delete this record?')) return false;";
}
}
}
}