public string Post([FromUri] string value)
 {
     try
     {
         SqlHelper sql = new SqlHelper();
         sql.AddGuidInputParam("@Guid", new Guid(value));
         sql.ExecuteNonQuery("spActivateEmail", ConfigurationManager.ConnectionStrings["eMIS_Reporting"].ToString());
         return("Success");
     }
     catch (Exception ex)
     {
         Logger.error(ex.Message, 0);
     }
     return("Error");
 }