<td align="center">
                            <asp:LinkButton ID ="btnvip" runat ="server" CommandArgument='<%#Eval("id") %>' CommandName="edit" Text ="修改"></asp:LinkButton>
                        </td>
                         <td align="center">
                                <asp:HiddenField ID="hf" runat="server" Value='<%#Eval("Id") %>'/>
                            </td>
             </tr>

protected void repeater1_bind(object source, RepeaterCommandEventArgs e)
 {

if (e.CommandName.Equals("edit"))
        {
            for (int i = 0; i < rptlist.Items.Count; i++)
            {
                TextBox txtcom = (TextBox)rptlist.Items[i].FindControl("tbvip");
                HiddenField hf = (HiddenField)rptlist.Items[i].FindControl("hf");
                int id = int.Parse(hf.Value);
                if (txtcom.Text.ToString() != "" && txtcom.Text.ToString() != null)
                {
                    DataTable dtvip = DB.GetDataTable("businessid,busoname,businessname", "business", "businessname='" + txtcom.Text.Trim() + "'", "");
                    DB.Operate("update table  set cmId='" + dtvip.Rows[0][0].ToString() + "',Cname='" + dtvip.Rows[0][1].ToString() + "'where id='" + id + "'");
                }

}
            Display();
        }

}