void BindData()
        {
            string           sql = "SELECT * FROM tbl_status_working";
            MySqlDataAdapter da  = dbScript.getDataSelect(sql);
            DataSet          ds  = new DataSet();

            da.Fill(ds);
            StatusGridView.DataSource = ds.Tables[0];
            StatusGridView.DataBind();
            lbStatusNull.Text = "พบข้อมูลจำนวน " + ds.Tables[0].Rows.Count + " แถว";
        }
        protected void SaveChanges_Click(object sender, EventArgs e)
        {
            try
            {
                int Group_Id = int.Parse(ddlGroups.SelectedValue.ToString());

                // Save Group Permission
                var Permision_Ids = PermissionGroupGridView.GetSelectedFieldValues("Permission_Id");
                db.Database.ExecuteSqlCommand("Delete Permission_Group where Group_Id = " + Group_Id);
                for (int i = 0; i < Permision_Ids.Count; i++)
                {
                    Permission_Group per_group = db.Permission_Group.Create();
                    per_group.Group_Id      = Group_Id;
                    per_group.Permission_Id = int.Parse(Permision_Ids[i].ToString());
                    db.Permission_Group.Add(per_group);
                }
                db.SaveChanges();

                //Save Status
                var Status_Ids = StatusGridView.GetSelectedFieldValues("Status_Id");
                db.Database.ExecuteSqlCommand("Delete Group_Status where Group_Id = " + Group_Id);
                for (int i = 0; i < Status_Ids.Count; i++)
                {
                    Group_Status per_groupStatus = db.Group_Status.Create();
                    per_groupStatus.Group_Id  = Group_Id;
                    per_groupStatus.Status_Id = int.Parse(Status_Ids[i].ToString());
                    db.Group_Status.Add(per_groupStatus);
                    db.SaveChanges();
                }


                /* Add it to log file */
                LogData = "data:" + JsonConvert.SerializeObject(Group_Id, logFileModule.settings);
                logFileModule.logfile(10, "تعديل صلاحيات المجموعة", "update group permissions", LogData);
            }
            catch (Exception er) { }
        }