public static int getBrowser()
    {
        
string BrowserInfo =
 HttpContext.Current.Request.UserAgent;
        
if (BrowserInfo.Contains("MSIE 7.0"
))
        {
//IE7

            return 1;
        }
        
else if (BrowserInfo.Contains("MSIE 6.0"
))
        {
//IE6

            return 2;
        }
        
else if (BrowserInfo.Contains("Firefox"
))
        {
//IE6

            return 3;
        }
        
else if (BrowserInfo.Contains("Chrome"
))
        {
//谷歌

            return 4;
        }
        
return 5
;
    }


本文转载:CSDN博客