protected void dgv_Drug_RowDeleting(object sender, GridViewDeleteEventArgs e) { string idDrug = dgv_Drug.DataKeys[e.RowIndex].Values["Id_Drug"].ToString(); if (controller.deleteData(idDrug)) { onRequestData(); ScriptManager.RegisterClientScriptBlock(this, this.GetType(), "alertMessage", "alert('Record Deleted Successfully')", true); } }