set_expanded title = null

[Jason]

I am using set_expanded to expand the row but it brings back a javascript error 'title' is null or not a object.

Hector

[Princy]

Hi Hector,

I tried using set_expanded property to expand a row on client side and it is working as expected. Below given is the code I tried, check for any differences with your code:
js:

 var grid=$find("<%=RadGrid1.ClientID %>");
 var table=grid.get_masterTableView();
 var row=table.get_dataItems()[0];
  if(row.get_expanded() == false)
      {
            row.set_expanded(true);

      }
   else
      {
            row.set_expanded(false);
      }

If this does'nt help, it would be better if you could paste your code here, for better understanding.
-Princy.