protected void GridViewcustomer_RowCommand(object sender, GridViewCommandEventArgs e) { int CustomerId = Convert.ToInt32(e.CommandArgument); if (e.CommandName == "dlt") { string sql = "delete from customer_tbl where CustomerId='" + CustomerId + "'"; CustomerDetails objcust = new CustomerDetails(); int i = objcust.DeleteCustomer(sql); if (i > 0) { Bind(); } } }