ASPX页生成静态HTML页(五种方案)

方案1：
///     <summary >
///     传入URL返回网页的html代码
///     </summary >
///     <param     name="Url" >URL </param >
///     <returns > </returns >
public     static       string     getUrltoHtml(string     Url)
{
errorMsg     =     "";
try
{
System.Net.WebRequest     wReq     =     System.Net.WebRequest.Create(Url);
//     Get     the     response     instance.
System.Net.WebResponse     wResp     =wReq.GetResponse();
//     Read     an     HTTP-specific     property
//if     (wResp.GetType()     ==HttpWebResponse)
//{
//DateTime     updated       =((System.Net.HttpWebResponse)wResp).LastModified;
//}
//     Get     the     response     stream.
System.IO.Stream     respStream       =     wResp.GetResponseStream();
//     Dim     reader     As     StreamReader     =     New     StreamReader(respStream)
System.IO.StreamReader     reader     =     new     System.IO.StreamReader(respStream,     System.Text.Enco