title: ParamQuery get parent row
body: <p>If I have the rowIndx of a row inside a detail grid, how can I get its parent row in the main grid?
  See the image please:
  the row with the data {1,test} has the parent row with ID CLN00742. How I can get this row?</p>
  
  <p><a href="https://i.stack.imgur.com/8sHDm.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/8sHDm.png" alt="My Grid"></a></p>
  
  <p>I went through the API and the docs and found no solution, also I searched their forum.</p>