protected void modDeleteCommand1(Object sender, GridViewDeleteEventArgs e)
        {
            int id = Convert.ToInt32(GridViewStudy.DataKeys[e.RowIndex].Value);
            PS_STUDY PStudy = new PS_STUDY();
            PStudy.PS_STUDY_ID = id;
            PStudy.DELETE_PS_STUDY();
            ScriptManager.RegisterClientScriptBlock(this, this.GetType(), "alertMessage", "alert('ลบข้อมูลเรียบร้อย')", true);

            if (string.IsNullOrEmpty(labelCitizenID.Text))
            {
                GridViewStudy.EditIndex = -1;
                BindData();
            }
            else
            {
                GridViewStudy.EditIndex = -1;
                BindData1();
            }

            notification.Attributes["class"] = "none";
            notification.InnerHtml = "";
        }