可以在aspx页面上显示代码隐藏的实际源代码

<%
    Response.Write("代码隐藏的实际源代码：");
    Response.Write("<br>");
    Response.Write(Server.HtmlEncode(Page.ToString()));
%>

protected void Page_Load(object sender, EventArgs e)
{
    string sourceCode = GetSourceCode();
    Response.Write(Server.HtmlEncode(sourceCode));
}

private string GetSourceCode()
{
    string fileName = Server.MapPath(Request.AppRelativeCurrentExecutionFilePath);
    using (StreamReader reader = new StreamReader(fileName))
    {
        return reader.ReadToEnd();
    }
}