<asp:DataGrid id="dg_mat" runat="server" AutoGenerateColumns="False">
<Columns>
<asp:TemplateColumn>
<HeaderTemplate>
<FONT face="宋体">材料编码</FONT>
</HeaderTemplate>
<ItemTemplate>
<asp:textbox id="matno" runat="server" Width="100%" CssClass="showinput" Text='<%# DataBinder.Eval(Container.DataItem, "matno") %>'>
</asp:textbox>
</ItemTemplate>
</asp:TemplateColumn>
<asp:TemplateColumn>
<ItemTemplate>
<asp:CheckBox ID="checkit" OnClick="javascript: return select_check (this.checked, this.id);"
runat="server" />
</ItemTemplate>
</asp:TemplateColumn>
</Columns>
</asp:DataGrid>
</form>
……………………
<script language="javascript">
<!--
function select_check(a,id)
{
id = replace(id,"checkit","")
alert(Form1.all.dg_mat__ctl2_matno.value)?????????????????????
}
//-->
</script>
请问select_check内如何写才可以得到所选行的matno值？
