vb.net grid view with clickable row

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VB

Inside a grid view with (4 databound fields),if one row is clicked,that row must be expanded down with 4 text fields below.

I have tried by placing a hyperlink in gridview ,while clicking that,aonother form will open with the 4 textboxes for updaton.But i don't want to go another form for updation.

This updation button together with the texboxes must appear when a GRID VIEW row is clicked.Appreciate ur help

On clicking the row,it must expand down with more text fields.on clicking the row again must collapse.

just like the link shown below

http://datatables.net/release-datatables/examples/api/row_details.html[^]


Thanks