Detect browser name & version from code behind - asp.net

This is example in asp.net how to detect client browser and version.

The method used in this example can work after copy paste in the Visual Studio.

Aspx Code

   <br />  
   <h5>  
     <asp:Literal ID="Literal1" runat="server"></asp:Literal>  
   </h5>  
   <p>  
     &nbsp;</p>  
   <p>  
     &nbsp;</p>  

Code Behind 

      private string SAFARI_CODE = "Safari";  
     private string CHROME_CODE = "Chrome";  
     private string IE_CODE = "IE";  
     private string IE_LONGCODE = "Internet Explorer";  
     private string GECKO_CODE = "Gecko";  
     private string OPERA_CODE = "Opera";  
     protected void Page_Load(object sender, EventArgs e)  
     {  
       Literal1.Text = GetBrowserClass(true);  
     }  
     /// <summary>  
     /// Gets the browser specific CSS class name.  
     /// </summary>  
     /// <param name="includeVersion">Indicates if the browser version should be included</param>  
     public string GetBrowserClass(bool includeVersion)  
     {  
       string result = null;  
       if (HttpContext.Current != null)  
       {  
         // Get browser  
         HttpBrowserCapabilities oBrowser = HttpContext.Current.Request.Browser;  
         string userAgent = HttpContext.Current.Request.UserAgent;  
         if ((oBrowser != null) && (oBrowser.Browser != null) && (userAgent != null))  
         {  
           if (!oBrowser.Crawler)  
           {  
             // Get major version of the browser  
             int majorVersion = GetMajorVersion();  
             string version = null;  
             if (includeVersion)  
             {  
               version = (majorVersion > 0) ? majorVersion.ToString() : "";  
             }  
             // Internet Explorer  
             if ((oBrowser.Browser == IE_CODE) || (oBrowser.Browser == IE_LONGCODE))  
             {  
               result = IE_CODE + version;  
             }  
             // Chrome  
             else if (oBrowser.Browser.Contains(CHROME_CODE) || userAgent.Contains(CHROME_CODE))  
             {  
               result = String.Format("{0}{1} {2}{1}", SAFARI_CODE, version, CHROME_CODE);  
             }  
             // Safari  
             else if (oBrowser.Browser.Contains(SAFARI_CODE))  
             {  
               result = SAFARI_CODE + version;  
             }  
             // Opera  
             else if (oBrowser.Browser.Contains(OPERA_CODE))  
             {  
               result = OPERA_CODE + version;  
             }  
             // Firefox  
             else if (userAgent.Contains(GECKO_CODE))  
             {  
               result = GECKO_CODE + version;  
             }  
           }  
         }  
       }  
       return result;  
     }  
     /// <summary>  
     /// Gets browser major version.  
     /// </summary>  
     public int GetMajorVersion()  
     {  
       // Get major version safely  
       int majorVersion = 0;  
       try  
       {  
         majorVersion = HttpContext.Current.Request.Browser.MajorVersion;  
       }  
       catch  
       {  
       }  
       return majorVersion;  
     }  

Output Example :

Chrome :

IE 11

Mozilla Firefox