Datagrid help me do this

[Hai Nguyen]

Question Answer
1 Q1 A1
2 Q2 A2
3 Q3 A3
4 Q4 A4
5 Q5 A5
Submit


I would like to know I hage a datagrid like above, I generate a datagid like
the one code giving below. The answer column will let the user to fill in
the answer which assosiate to the quetion asking. I would like to know after
filling out the answers from
1/ How can I update those values back to database, I mean how i can let .net
know which column I want to get the database from
2/ I would like to have a validiation check as well

Thanks



<asp:datagrid id="grid" runat="server" Width="608px"
OnItemCreated="ItemCreated" AutoGenerateColumns="False"
" ShowFooter="True">
<SelectedItemStyle Font-Bold="True" ForeColor="White"
BackColor="#9471DE"></SelectedItemStyle>
<ItemStyle ForeColor="Black" BackColor="#DEDFDE"></ItemStyle>
<HeaderStyle Font-Bold="True" ForeColor="#E7E7FF"
BackColor="#4A3C8C"></HeaderStyle>
<FooterStyle ForeColor="Black" BackColor="#C6C3C6"></FooterStyle>
<PagerStyle HorizontalAlign="Right" ForeColor="Black"
BackColor="#C6C3C6"></PagerStyle>
<Columns>
<asp:BoundColumn DataField="Q_Question"
HeaderText="Questions"></asp:BoundColumn>
<asp:TemplateColumn HeaderText="Answer">
<ItemTemplate>
<asp:TextBox Runat="server" ID="answerbox"></asp:TextBox>
</ItemTemplate>
</asp:TemplateColumn>
</Columns>
</asp:datagrid>