I need a nested gridview .
1.Each row of Master gridview should have a "+" icon.
2.By default , when first time grid is loaded the first row should be extended ,the icon should be "-" in first row.
3. When i Click on any other master row's "+" icon the child details of that row should be displayed below that.Rest other row should be quizzed and only "+" icons with header(master) details to be displayed.