private void PopulateDataGrid()
        {
            {
                // Hide Controls
                this.dvEmptyContent.Visible   = false;
                this.dvDataContent.Visible    = false;
                this.dvNoSearchResult.Visible = false;

                // Search text
                string searchText = this.txtSearch.Text.ToLower().Trim();

                // Populate Items
                OrderTypeBO objOrderType = new OrderTypeBO();

                // Sort by condition
                //int sortbyStatus = int.Parse(this.ddlSortBy.SelectedItem.Value);
                //if (sortbyStatus < 2)
                //{
                //    //objItem.IsActive = Convert.ToBoolean(sortbyStatus);
                //}

                List <OrderTypeBO> lstOrderType = new List <OrderTypeBO>();

                if ((searchText != string.Empty) && (searchText != "search"))
                {
                    lstOrderType = (from o in objOrderType.SearchObjects().AsQueryable().OrderBy(SortExpression).ToList()
                                    where o.Name.ToLower().Contains(searchText) || o.Description.ToLower().Contains(searchText)
                                    select o).ToList();
                }
                else
                {
                    lstOrderType = objOrderType.SearchObjects().AsQueryable().OrderBy(SortExpression).ToList();
                }

                if (lstOrderType.Count > 0)
                {
                    this.RadGridOrderTypes.AllowPaging = (lstOrderType.Count > this.RadGridOrderTypes.PageSize);
                    this.RadGridOrderTypes.DataSource  = lstOrderType;
                    this.RadGridOrderTypes.DataBind();
                    Session["OrderTypesDetails"] = lstOrderType;

                    this.dvDataContent.Visible = true;
                }
                else if ((searchText != string.Empty && searchText != "search"))
                {
                    this.lblSerchKey.Text = searchText + ((searchText != string.Empty) ? " - " : string.Empty);

                    this.dvDataContent.Visible    = true;
                    this.dvNoSearchResult.Visible = true;
                }
                else
                {
                    this.dvEmptyContent.Visible  = true;
                    this.btnAddOrderType.Visible = false;
                }

                this.RadGridOrderTypes.Visible = (lstOrderType.Count > 0);
            }
        }