这样为啥会错呀

fangxianghua9801 2005-08-05 09:51:31

根级别上的数据无效。行 1，位置 1。
说明: 执行当前 Web 请求期间，出现未处理的异常。请检查堆栈跟踪信息，以了解有关该错误以及代码中导致错误的出处的详细信息。

异常详细信息: System.Xml.XmlException: 根级别上的数据无效。行 1，位置 1。
源代码如下:
<%@ Page language="c#" Codebehind="TreeViewXml.aspx.cs" AutoEventWireup="false" Inherits="couponzonesite.TreeViewXml" %>
<%@ Register TagPrefix="iewc" Namespace="Microsoft.Web.UI.WebControls" Assembly="Microsoft.Web.UI.WebControls" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
<HEAD>
<title>TreeViewXml</title>
<meta name="GENERATOR" Content="Microsoft Visual Studio .NET 7.1">
<meta name="CODE_LANGUAGE" Content="C#">
<meta name="vs_defaultClientScript" content="JavaScript">
<meta name="vs_targetSchema" content="http://schemas.microsoft.com/intellisense/ie5">
</HEAD>
<body MS_POSITIONING="GridLayout">
<form id="Form1" method="post" runat="server">
<iewc:TreeView id="TreeView1" TreeNodeSrc="Northwind.xml" style="Z-INDEX: 101; LEFT: 312px; POSITION: absolute; TOP: 144px"
runat="server"></iewc:TreeView>
</form>
</body>
</HTML>

...全文

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fangxianghua9801 2005-08-05

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请教了!!谢

fangxianghua9801 2005-08-05

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有人吗

silverseven7 2005-08-05

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fangxianghua9801 2005-08-05

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using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.IO;
using System.Xml;
namespace couponzonesite
{
/// <summary>
/// GetXml 的摘要说明。
/// </summary>
public class GetXml : System.Web.UI.Page
{
private void Page_Load(object sender, System.EventArgs e)
{
SendXml();
}
private void SendXml()
{
//Create Xml File
XmlDocument objXmlDoc = new XmlDocument();

//Insert Xml Declaration
XmlDeclaration objXmlDeclare = objXmlDoc.CreateXmlDeclaration("1.0", "UTF-8", "yes");
objXmlDoc.InsertBefore(objXmlDeclare, objXmlDoc.DocumentElement);

XmlElement objRootElem = objXmlDoc.CreateElement("TREENODES");
objXmlDoc.AppendChild(objRootElem);

CreateXml(objXmlDoc, objRootElem, 0);

System.Xml.XmlTextWriter xmlwriter = new System.Xml.XmlTextWriter(Response.OutputStream,Response.ContentEncoding);
xmlwriter.Formatting = Formatting.Indented;
xmlwriter.Indentation = 4;
xmlwriter.IndentChar = ' ';
objXmlDoc.WriteTo(xmlwriter);
xmlwriter.Flush();
Response.End();
xmlwriter.Close();
}

private void CreateXml(XmlDocument objXMLDoc, XmlElement objRootElem, int belong)
{
//Get DataSet
DataSet ds = new DataSet();
foreach(DataRow dr in ds.Tables[0].Rows)
{
//Create ChildNode TreeNode
XmlElement objXmlElem = objXMLDoc.CreateElement("TREENODE");
objRootElem.AppendChild(objXmlElem);

//Create Attributes Text
XmlAttribute objXmlAttText = objXMLDoc.CreateAttribute("Text");
objXmlAttText.Value = dr["text"].ToString().Trim();
objXmlElem.SetAttributeNode(objXmlAttText);

//Create Attributes CheckBox
XmlAttribute objXmlAttCB = objXMLDoc.CreateAttribute("CheckBox");
objXmlAttCB.Value = "True";
objXmlElem.SetAttributeNode(objXmlAttCB);

//Create Attributes Expanded
XmlAttribute objXmlAttExp = objXMLDoc.CreateAttribute("Expanded");
objXmlAttExp.Value = "True";
objXmlElem.SetAttributeNode(objXmlAttExp);

int id = int.Parse(dr["id"].ToString().Trim());
CreateXml(objXMLDoc, objXmlElem, id);
}
}
#region Web 窗体设计器生成的代码
override protected void OnInit(EventArgs e)
{
//
// CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
//
InitializeComponent();
base.OnInit(e);
}

/// <summary>
/// 设计器支持所需的方法 - 不要使用代码编辑器修改
/// 此方法的内容。
/// </summary>
private void InitializeComponent()
{
this.Load += new System.EventHandler(this.Page_Load);

}
#endregion
}
}

fangxianghua9801 2005-08-05

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<%@ Page language="c#" Codebehind="GetXml.aspx.cs" AutoEventWireup="false" Inherits="couponzonesite.GetXml" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
<HEAD>
<title>GetXml</title>
<meta name="GENERATOR" Content="Microsoft Visual Studio .NET 7.1">
<meta name="CODE_LANGUAGE" Content="C#">
<meta name="vs_defaultClientScript" content="JavaScript">
<meta name="vs_targetSchema" content="http://schemas.microsoft.com/intellisense/ie5">
</HEAD>
<body MS_POSITIONING="GridLayout">
<form id="Form1" method="post" runat="server">
<FONT face="宋体"></FONT>
</form>
</body>
</HTML>

fangxianghua9801 2005-08-05