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Default.aspx.cs
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Default.aspx.cs
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using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using DevExpress.Web.ASPxTreeList;
using DevExpress.Web.ASPxEditors;
namespace ImageForValue {
public partial class _Default : System.Web.UI.Page {
protected void Page_Load(object sender, EventArgs e) {
LoadNodes();
}
private void LoadNodes() {
TreeListNode node = ASPxTreeList1.AppendNode(1);
node.SetValue("Status", "new");
node.SetValue("Message", "Season greetings!");
node = ASPxTreeList1.AppendNode(2);
node.SetValue("Status", "saved");
node.SetValue("Message", "New Regulations");
node = ASPxTreeList1.AppendNode(3);
node.SetValue("Status", "deleted");
node.SetValue("Message", "Present for yoou");
}
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;
}
}
}
}