Restore database through c# codings

Hai,

   I want to restore database backup file(.bak) to sql server 2012 from my c# program. Restored database name is  from textbox text.

I used the following coding. It works on local connection only. when i used the same coding on my sql server connected with name like XXXX\SQL EXPRESS i got error restored failed for server 'XXXX\SQL EXPRESS'.

Please help me.... Thanks in advance....

 

ServerConnection srvConn = new ServerConnection(@"XXXXX\\SQLEXPRESS");

 

 instead of this line i use

 

ServerConnection srvConn = new ServerConnection("localhost"); 

this line work on loacl connection. 

 

 

 try

{ 

private static Server srvr;