ajax call using jquery in asp.net

Event:

 <a class="btnTwo btnTwoOrange btnSelectSend" href="JavaScript:" id="btnSelectSend" onclick="SendEmail();">Gönder</a>  

Javascript:

  <script type="text/javascript">  
       function SendEmail() {  
         var bookId = document.getElementById("BookID").value;  
         var name = document.getElementById("sendername").value;  
         var email = document.getElementById("senderEmail").value;  
         $.ajax({  
           type: "POST",  
           url: "Forbes.aspx/SendEmail",  
           data: "{ bookId: '" + bookId + "',name: '" + name + "',email: '" + email + "'}",  
           contentType: "application/json; charset=utf-8",  
           dataType: "json",  
           async: "true",  
           cache: "false",  
           success: function (msg) {  
            // do something            
           },  
           Error: function (x, e) {  
             // On Error  
           }  
         });  
       }  
     </script>  

In to CS file:

   [WebMethod]  
     public static void SendEmail(string bookId, string name, string email)  
     {  
       try  
       {  
         MemberService.SendForbesEmail(bookId, name, email, db, m_Member);  
       }  
       catch (Exception ex)  
       {  
         throw;  
       }  
     }   

Hope it will help you.