title: Telerik MVC Grid Master Detail
body: <p>I have a master detail grid. 
  I have a ViewModel that populates the Telerik parent grid by simply binding the model to the grid.
  This step was simple enough but I cannot get the subgrid to populate based on the data in the parent grid's row. How is this done using the mvc model? Can someone explain to me how to get the child/sub grid to pull its data based on the parent row's key value  in the parent grid? 
  I cant follow Telerik's example. Their solution is not easily understood.
  I am using server binding</p>
  
  <p>Thanks</p>