public void completedTask(int taskId)
 {
     using (var context = new TasksRepositoryDataContext(_connectionString))
     {
         context.ExecuteCommand("UPDATE Tasks SET Completed = 1 WHERE Id = {0}", taskId);
     }
 }
 public void UpdateTask(int taskId, int userId)
 {
     using (var context = new TasksRepositoryDataContext(_connectionString))
     {
         context.ExecuteCommand("UPDATE Tasks SET IsHandled = {0} WHERE Id = {1}", userId, taskId);
     }
 }