protected void ASPxTreeList1_HtmlDataCellPrepared(object sender, TreeListHtmlDataCellEventArgs e)
        {
            if (e.Column.FieldName == "Status")
            {
                string fileName = string.Empty;
                switch ((string)e.CellValue)
                {
                case "deleted":
                    fileName = "~/Images/deleted.png";
                    break;

                case "saved":
                    fileName = "~/Images/saved.png";
                    break;
                }
                ASPxImage img = (ASPxImage)ASPxTreeList1.FindDataCellTemplateControl(e.NodeKey, e.Column, "ASPxImage1");
                if (fileName != string.Empty)
                {
                    img.ImageUrl = fileName;
                }
                else
                {
                    img.Visible = false;
                }
            }
        }