Dsiplaying Unique rows accordng to a specific column in Grid

Hi, i want to show unique rows in a dhtml grid. For e.g. -
There is Unique key . Currently iam getting all the records of that key in the gird. But i want to display it in a heirarchical way such that the key for evry records should be displayed for only once in the grid with its respective information.
Please check out the screen shot taken for more clarification

Please tell me its property to achieve this.

Thanks in advance


But i want to display it in a heirarchical way such that the key for evry records should be displayed for only once in the grid with its respective information.
It can be done with grouping or by using dhtmlxTreeGrid component. Both approached is available in PRO version only. Please find examples here
dhtmlx.com/docs/products/dht … group.html
dhtmlx.com/docs/products/dht … _init.html