help

[shif]

Hi
i am new in asp.net and have 2-3 prblms
1.how can i set cursor focus to a template column in datagrid while clicking
a temlpate checkbox on a particular item.
2.how can i do a commit or rollback in asp.net script.
3.how can i hide a particular cell in datagrid after or before filling data
filling data.
please help
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Thanks