asp.net网站的载入界面的做法

方法一:
在Application_BeginRequest事件和Application_EndRequest事件中写载入的代码
在Global.asax.cs文件中加入
protected void Application_BeginRequest(Object sender, EventArgs e)
{
 string strloading="";
 strloading = strloading + "<IMG id=/"loading/"  style=/"Z-INDEX: 99999991; POSITION: absolute/"   border=0 src=/""+PageBase.UrlBase.ToString()+"/images/loading.gif/"></div>";
 Response.Write (strloading);
Response.Write("<script languge='javascript'>window.loading.style.top=screen.availHeight/2-50;window.loading.style.left=screen.availWidth/2-50;</script>");
}

protected void Application_EndRequest(Object sender, EventArgs e)
{
string strUnload="";
strUnload = strUnload + "<script language=/"javascript/"> <!--/n";
strUnload = strUnload + "setTimeout('window.loading.style.visibility=/"hidden/"',500);/n";
strUnload = strUnload + "--> </script>/n";
Response.Write (strUnload);
}
//PageBase.UrlBase.ToString这个地方应该是关于登陆图像的地址