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Default.aspx.cs
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Default.aspx.cs
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using System;
using System.Collections.Generic;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using DevExpress.Web.ASPxTreeList;
using DevExpress.Web.ASPxEditors;
namespace WebApplication1
{
public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected void tree_CustomCallback(object sender, TreeListCustomCallbackEventArgs e)
{
UpdateNodes(tree.Nodes);
tree.DataBind();
}
private void UpdateNodes(TreeListNodeCollection nodes)
{
foreach (TreeListNode node in nodes)
{
UpdateNode(node);
if (node.HasChildren) UpdateNodes(node.ChildNodes);
}
}
private void UpdateNode(TreeListNode node)
{
bool isModified = false;
foreach (TreeListColumn col in tree.Columns)
{
if (col is TreeListDataColumn)
{
TreeListDataColumn dc = (TreeListDataColumn)col;
ASPxTextBox tb = (ASPxTextBox)tree.FindDataCellTemplateControl(node.Key, dc, "editor");
if (!tb.Text.Equals(node.GetValue(dc.FieldName)))
isModified = true;
SqlDataSource1.UpdateParameters[dc.FieldName].DefaultValue = tb.Text;
}
}
SqlDataSource1.UpdateParameters[tree.KeyFieldName].DefaultValue = node.Key;
if (isModified)
{
SqlDataSource1.Update();
}
}
protected void ASPxButton2_Click(object sender, EventArgs e)
{
tree.DataBind();
}
}
}