响应。重定向只是向浏览器发送一条消息(HTTP 302)。

服务器。传输在浏览器一无所知的情况下发生，浏览器请求一个页面，但服务器返回另一个页面的内容。

服务器。传输不会改变客户端浏览器中的URL，因此实际上浏览器并不知道您更改了另一个服务器端处理程序。响应。重定向告诉浏览器移动到另一个页面，因此标题栏中的url会发生变化。

服务器。传输稍微快一点，因为它避免了到服务器的一次往返，但不更改url可能对您有好处，也可能有坏处，这取决于您想要做什么。

响应。重定向在第一个页面到达客户端后将页面重定向到另一个页面。所以客户端知道重定向。

服务器。传输退出页面的当前执行。客户端不知道重定向。它允许您传输查询字符串和表单变量。

所以这取决于你的需要来选择哪个更好。

服务器之美。转移是你可以用它做的:

TextBox myTxt = (TextBox)this.Page.PreviousPage.FindControl("TextBoxID");

只要使用Server，就可以使用上述方法从上一页获取任何内容。转移但不响应。重定向

简而言之:回应。重定向只是告诉浏览器访问另一个页面。服务器。Transfer有助于减少服务器请求，保持URL相同，并且通过一些错误处理，允许您传输查询字符串和表单变量。

我发现并同意以下观点:

Server.Transfer is similar in that it sends the user to another page with a statement such as Server.Transfer("WebForm2.aspx"). However, the statement has a number of distinct advantages and disadvantages. Firstly, transferring to another page using Server.Transfer conserves server resources. Instead of telling the browser to redirect, it simply changes the "focus" on the Web server and transfers the request. This means you don't get quite as many HTTP requests coming through, which therefore eases the pressure on your Web server and makes your applications run faster. But watch out: because the "transfer" process can work on only those sites running on the server; you can't use Server.Transfer to send the user to an external site. Only Response.Redirect can do that. Secondly, Server.Transfer maintains the original URL in the browser. This can really help streamline data entry techniques, although it may make for confusion when debugging. That's not all: The Server.Transfer method also has a second parameter—"preserveForm". If you set this to True, using a statement such as Server.Transfer("WebForm2.aspx", True), the existing query string and any form variables will still be available to the page you are transferring to. For example, if your WebForm1.aspx has a TextBox control called TextBox1 and you transferred to WebForm2.aspx with the preserveForm parameter set to True, you'd be able to retrieve the value of the original page TextBox control by referencing Request.Form("TextBox1").

更多关于Transfer()的细节，它实际上是Server.Execute() + Response.End()，它的源代码如下(来自Mono/.net 4.0):

public void Transfer (string path, bool preserveForm)
{
    this.Execute (path, null, preserveForm, true);
    this.context.Response.End ();
}

对于Execute()，它要运行的是给定路径的处理程序，参见

ASP.NET does not verify that the current user is authorized to view the resource delivered by the Execute method. Although the ASP.NET authorization and authentication logic runs before the original resource handler is called, ASP.NET directly calls the handler indicated by the Execute method and does not rerun authentication and authorization logic for the new resource. If your application's security policy requires clients to have appropriate authorization to access the resource, the application should force reauthorization or provide a custom access-control mechanism. You can force reauthorization by using the Redirect method instead of the Execute method. Redirect performs a client-side redirect in which the browser requests the new resource. Because this redirect is a new request entering the system, it is subjected to all the authentication and authorization logic of both Internet Information Services (IIS) and ASP.NET security policy. -from MSDN