title: Move Focus to Next Cell on Enter Key Press in WPF DataGrid?
body: <p>I want to have a Custom DataGrid which can,</p>
  
  <ol>
  <li>Move to next cell when <kbd>Enter</kbd> key is pressed also if it is in edit mode.</li>
  <li>When the last column in the current row is reach, the focus should move to the first cell of next row.</li>
  <li>On reaching to next cell, if the cell is editable, it should automatically became editable.</li>
  <li>If the cell contains an <code>ComboBox</code> not comboboxcolumn, the combobox should DropDownOpen.</li>
  </ol>
  
  <p>Please help me in this. I have been trying from the past few day by creating a Custom DataGrid and wrote some code in</p>
  
  <pre><code>protected override void OnPreviewKeyDown(System.Windows.Input.KeyEventArgs e)
  </code></pre>
  
  <p>But I failed.</p>