title: Window Desktop Form DropDown Bind Issues
body: <p>This is code i have used to bind the Movie DropDown.In datasource i have two data that i have used to bind the dropdown,movie dropdown bind at page load event level but throw error exception like show in Image:-
  <a href="https://i.stack.imgur.com/UoZHr.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/UoZHr.png" alt="enter image description here"></a></p>
  
  <pre><code>public void BindMovie(string date)
  {
      try
      {
          MovieBAL objAccountBAL = new MovieBAL();
          drpMovie.DataSource = objAccountBAL.GetMovieByDate(date).ToList();
          drpMovie.ValueMember = "Id";
          drpMovie.DisplayMember = "MovieName";             
      }
      catch (Exception ex)
      {
          ELog.Write(ex, System.Reflection.MethodBase.GetCurrentMethod().Name);
          System.Windows.Forms.MessageBox.Show(ex.Message);
      }
  }
  </code></pre>