我看还是这样好点单击选中这行,双击弹出窗口编辑我做的是单击选种这行后,再点编辑button弹出窗口编辑你说的俺不会,帮你顶一下

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    <asp:DataGrid id="dg" style="Z-INDEX: 101; LEFT: 40px; POSITION: absolute; TOP: 40px" runat="server"
    Width="464px" Height="168px" AutoGenerateColumns="False" DataKeyField=customerid>
    <Columns>
    <asp:BoundColumn DataField="companyname" HeaderText="公司名称"></asp:BoundColumn>
    <asp:BoundColumn DataField="contactname" HeaderText="联系人"></asp:BoundColumn>
    <asp:BoundColumn DataField="address" HeaderText="地址"></asp:BoundColumn>
    <asp:BoundColumn DataField="city" HeaderText="城市"></asp:BoundColumn>
    <asp:TemplateColumn>
    <ItemTemplate>
    <asp:LinkButton Runat="server" ID="lb" CommandName="newopen" Text="newopen" />
    </ItemTemplate>
    </asp:TemplateColumn>
    </Columns>
    </asp:DataGrid>private void dg_ItemCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
    {
    if(e.CommandName=="newopen")
    {
    Response.Write("<script language=javascript>window.open('newopen.aspx?id="+dg.DataKeys[e.Item.ItemIndex]+"','','width=520;height=531');</script>");
    }
    }
    }