日期:2014-05-18  浏览次数:20471 次

如何在 private void Button1_Click(object sender, System.EventArgs e)中获取返回的XML信息.
问题目详细是这样的.
是想怎么才可以将远程返回的XML文件可以后台用XmlTextReader读取操作这样我的方便了,而不想用js脚本处理.
<%@   Page   language= "c# "   Codebehind= "WebForm1.aspx.cs "   AutoEventWireup= "false "   Inherits= "XMLRet.WebForm1 "   %>
<!DOCTYPE   HTML   PUBLIC   "-//W3C//DTD   HTML   4.0   Transitional//EN "   >
<HTML>
<HEAD>
<title> WebForm1 </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 ">

<script   language= "javascript ">
//请求的js代码:

  var   xmlhttp;
  function   createXmlHttpRequest()
  {
if   (window.XMLHttpRequest)   {
xmlhttp   =   new   XMLHttpRequest();
}   else   if   (window.ActiveXObject)   {
xmlhttp   =   new   ActiveXObject( "Microsoft.XMLHTTP ");
}
xmlhttp.onreadystatechange   =   handlerun;
xmlhttp.open( "GET ",   "WebForm2.aspx ",   true);
xmlhttp.send(null);

  }

 
function   handlerun()
{
      if(xmlhttp.readyState==4   )
      if   (     xmlhttp.Status==200)
{
            var   varxml=xmlhttp.responseXML;
            var   HostIP   =varxml.getElementsByTagName( "HostIP ");
            alert( "   IP_ADDRESS: "   +   HostIP[0].childNodes[0].nodeValue     );
  }
}

</script>
</HEAD>
<body>
<form   id= "Form1 "   method= "post "   runat= "server ">
<FONT   face= "宋体 ">
<asp:Button   id= "Button1 "   runat= "server "   Text= "XML操作 "   Width= "120px "> </asp:Button>
  </form>
<div   id= "dname "> <FONT   face= "宋体 "> </FONT>
</div>
</body>
</HTML>


public   class   WebForm1   :   System.Web.UI.Page
{
protected   System.Web.UI.WebControls.Button   Button2;
protected   System.Web.UI.WebControls.Button   Button1;

private   void   Page_Load(object   sender,   System.EventArgs   e)
{
//   在此处放置用户代码以初始化页面
if   (!   this.IsPostBack)
Button1.Attributes.Add( "onclick ", "createXmlHttpRequest(); ")     ;
}

#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。
//
Initia