title: Add combo box, drop down or list box in data gridview
body: <p>Do you know how i could add a combo box, drop down or list box in a specific cell in a data grid view. i have tried with this code but it doesn't work-- </p>
  
  <pre><code>DataGridViewComboBoxCell c = new DataGridViewComboBoxCell();
  c.Items.Add("A");
  c.Items.Add("B");
  c.Items.Add("C);
  RunTimeCreatedDataGridView.Rows[1].Cells[1] = c;
  </code></pre>