how to delete selected row when user click on delete button

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ASP.NET

infragistics

i am working with ingragestic Grid " UltraWebGrid "

I have placed asp.button in grid for delete ( UltraWebGrid )

kindly tell me how to delete selected record

i mean to say as

we can do same thing using " asp.net grid view " by using " RowDeleting " event

How can we mange like this by using " UltraWebGrid "

how can we get key field like in " asp.grid view " we use " DataKeyNames " at bind time .Later we get it by using " gv.DataKeys[e.RowIndex].Value "


how we do this in UltraWebGrid of Infragestic

should i prefer this "ItemCommand " or what else

Is there any sample or article e.t.c