GridView 问题

Question

<asp:GridView ID="GVItemList" runat="server" AllowSorting="True" PageSize="20" CellPadding="4" ForeColor="#333333" GridLines="None" Width="100%" AutoGenerateColumns="False"  OnSorting="GVItemList_Sorting">
                        <Columns>
                            <asp:TemplateField HeaderText="号码" SortExpression="part">
                                <ItemTemplate>
                                    <asp:HyperLink id ="HyperLink1" runat="server"  Text='<%# Eval("part")%>' NavigateUrl='javascript:showPopWin("../Modal/ShowHouse.aspx?HouseNO=<%# Eval("roomid")%>",402,254,getAttachmentData);'></asp:HyperLink>
                                </ItemTemplate>
                            </asp:TemplateField>
                          </Columns>
                        <RowStyle BackColor="#FDF8F0" />
                        <AlternatingRowStyle BackColor="White" />
                        <HeaderStyle BackColor="#E2F2BD" Font-Bold="True" ForeColor="Black" />
                    </asp:GridView>就下面这里我相利用javascript 弹出一个窗口但是格式好像不对，窗体弹不出，变量也取不出值。请各位帮忙看看，非常感谢。
<asp:HyperLink id ="HyperLink1" runat="server"  Text='<%# Eval("part")%>' NavigateUrl='javascript:showPopWin("../Modal/ShowHouse.aspx?HouseNO=<%# Eval("roomid")%>",402,254,getAttachmentData);'></asp:HyperLink>

Answer 1

忘了说了
function showPopWin(url, width, height, returnFunc){}
是在js写好的函数。
我就想知道javascript在里面应该怎样正确使用。。

Answer 2

NavigateUrl='javascript:showPopWin("../Modal/ShowHouse.aspx?HouseNO=“＋<%# Eval("roomid")%>＋"。