private void FillDataInGrid()
        {
            string PortalId = ddlPortalList.SelectedValue;
            Modules module_obj = new Modules();
            DataTable dt = module_obj.GetModuleListByPortalId(PortalId);          

            if (dt.Rows.Count > 0)
            {
                GridView1.DataSource = dt;
                GridView1.DataBind();
            }
            else
            {
                dt.Rows.Add(dt.NewRow());
                GridView1.DataSource = dt;
                GridView1.DataBind();

                int TotalColumns = GridView1.Rows[0].Cells.Count;
                GridView1.Rows[0].Cells.Clear();
                GridView1.Rows[0].Cells.Add(new TableCell());
                GridView1.Rows[0].Cells[0].ColumnSpan = TotalColumns;
                GridView1.Rows[0].Cells[0].Text = "No Record Found";
            }

        }
        public CascadingDropDownNameValue[] GetModuleList(string knownCategoryValues, string category)
        {
            StringDictionary dataValues = AjaxControlToolkit.CascadingDropDown.ParseKnownCategoryValuesString(knownCategoryValues);
            string PortalId = dataValues["PortalId"];
            Modules module_obj = new Modules();
            DataTable dt = module_obj.GetModuleListByPortalId(PortalId);

            List<CascadingDropDownNameValue> module_list = new List<CascadingDropDownNameValue>();
            foreach (DataRow dRow in dt.Rows)
            {
                string ModuleId = dRow["ModuleId"].ToString();
                string ModuleTitle = dRow["ModuleTitle"].ToString();
                module_list.Add(new CascadingDropDownNameValue(ModuleTitle, ModuleId));
            }
            return module_list.ToArray();
        }