模态窗体和弹出窗

前台：

<div >
                            <asp:UpdatePanel runat="server" ID="UpdatePanel31" >
                                <ContentTemplate>
                                    <asp:TextBox ID="txtAddress" runat="server" Width="87%"></asp:TextBox>
                                    <asp:ImageButton ID="ImageButton1" runat="server" ImageUrl="~/App_Themes/Default/images/icon_3.png"
                                        OnClick="ImageButton1_Click" />
                                    <asp:HiddenField ID="HiddenField2" runat="server" />
                                    <ajaxToolkit:ModalPopupExtender ID="ModalPopupExtender1" runat="server" OnOkScript=""
                                        CancelControlID="btnCancel" DropShadow="true" TargetControlID="HiddenField2"
                                        PopupControlID="Panel" BackgroundCssClass="cssModalBackground">
                                    </ajaxToolkit:ModalPopupExtender>
                                    <asp:Panel runat="server" ID="Panel" Style="display: none; padding: 0px;" CssClass="cssModalPopup"
                                        Width="900px" Height="250px">
                                        <table cellpadding="0" cellspacing="0" width="900px" class="tanchu">
                                            <tr>
                                                <td>
                                                    <div style="padding: 0px;">
                                                        <div class="shadow">
                                                            <table class="modalup_fmBtnTbl" cellspacing="0">
                                                                <tr>
                                                                    <td align="left">
                                                                        <b>判重</b>
                                                                    </td>
                                                                    <td align="right">
                                                                        <asp:ImageButton ID="imgPopCancel" runat="server" ImageUrl="~/App_Themes/Default/images/ppnl_Cls_btn.gif" />
                                                                    </td>
                                                                </tr>
                                                            </table>
                                                        </div>
                                                    </div>
                                                </td>
                                            </tr>
                                            <tr valign="top" style="height: 180px;">
                                                <td>
                                                    <asp:GridView ID="gvRepeatData" runat="server" AutoGenerateColumns="false" Width="100%"
                                                        EmptyDataText="暂无数据" AllowPaging="true" PageSize="5" CssClass="gv" DataKeyNames="LX_Id"
                                                        OnRowDataBound="gvRepeatData_RowDataBound">
                                                        <Columns>
                                                            <asp:TemplateField HeaderText="选择">
                                                                <ItemTemplate>
                                                                    <asp:CheckBox ID="cbSelect" runat="server" />
                                                                </ItemTemplate>
                                                                 <ItemStyle Width="40px" />
                                                            </asp:TemplateField>
                                                            <asp:TemplateField HeaderText="姓名">
                                                                <ItemTemplate>
                                                                    <asp:Label ID="lblName" runat="server" Text='<%#Eval("LX_Name") %>'></asp:Label>
                                                                </ItemTemplate>
                                                            </asp:TemplateField>
                                                            <asp:TemplateField HeaderText="证件号码" >
                                                                <ItemTemplate>
                                                                    <asp:Label ID="lblAddress" runat="server" Text='<%#Eval("LX_IdentityCard") %>'></asp:Label>
                                                                </ItemTemplate>
                                                                <ItemStyle Width="145px" />
                                                            </asp:TemplateField>
                                                            <asp:TemplateField HeaderText="来信地址">
                                                                <ItemTemplate>
                                                                    <asp:Label ID="lblVisitDate" runat="server" Text='<%#Eval("LX_Address").ToString().Length > 14 ? Eval("LX_Address").ToString().Substring(0, 14) + ".." : Eval("LX_Address").ToString()%>'
                                                                        ToolTip='<%#Eval("LX_Address") %>'></asp:Label>
                                                                </ItemTemplate>
                                                                 <ItemStyle Width="185px" />
                                                            </asp:TemplateField>
                                                           
                                                            <asp:TemplateField HeaderText="来信内容">
                                                                <ItemTemplate>
                                                                    <asp:Label ID="Label7" runat="server" ToolTip='<%#Eval("LX_Content") %>' Text='<%#Eval("LX_Content").ToString().Length > 20 ? Eval("LX_Content").ToString().Substring(0, 20) + ".." : Eval("LX_Content").ToString()%>'></asp:Label>
                                                                </ItemTemplate>
                                                            </asp:TemplateField>
                                                            <asp:TemplateField HeaderText="来信时间">
                                                                <ItemTemplate>
                                                                    <asp:Label ID="lblDate" runat="server" Text='<%#Eval("LX_Date") %>'></asp:Label>
                                                                </ItemTemplate>
                                                                 <ItemStyle Width="95px" />
                                                            </asp:TemplateField>
                                                            <asp:TemplateField HeaderText="办理情况">
                                                                <ItemTemplate>
                                                                    <asp:Label ID="Label9" runat="server" Text='<%#Eval("DealType_Name") %>'></asp:Label>
                                                                </ItemTemplate>
                                                                 <ItemStyle Width="65px" />
                                                            </asp:TemplateField>
                                                        </Columns>
                                                        <RowStyle BackColor="#E7E7FF" ForeColor="#4A3C8C" CssClass="gvRow" />
                                                        <HeaderStyle BackColor="#4A3C8C" Font-Bold="True" ForeColor="#F7F7F7" CssClass="gvHeader" />
                                                        <AlternatingRowStyle BackColor="#F7F7F7" CssClass="gvAlternatingRow" />
                                                        <PagerTemplate>
                                                            <table width="100%" style="font-size: 12px;">
                                                                <tr>
                                                                    <td style="text-align: right">
                                                                        第<asp:Label ID="lblPageIndex" runat="server" Text='<%# ((GridView)Container.Parent.Parent).PageIndex + 1 %>'></asp:Label>页
                                                                        /共<asp:Label ID="lblPageCount" runat="server" Text='<%# ((GridView)Container.Parent.Parent).PageCount %>'></asp:Label>页&nbsp;&nbsp;
                                                                        <asp:LinkButton ID="btnFirst" runat="server" CausesValidation="False" CommandName="Page"
                                                                            Text="首页" CommandArgument="first" OnClick="btnFirst_Click">
                                                                        </asp:LinkButton>
                                                                        <asp:LinkButton ID="btnPrev" runat="server" CausesValidation="False" CommandName="Page"
                                                                            Text="上一页" CommandArgument="prev" OnClick="btnFirst_Click">
                                                                        </asp:LinkButton>
                                                                        <asp:LinkButton ID="btnNext" runat="server" CausesValidation="False" CommandName="Page"
                                                                            Text="下一页" CommandArgument="next" OnClick="btnFirst_Click">
                                                                        </asp:LinkButton>
                                                                        <asp:LinkButton ID="btnLast" runat="server" CausesValidation="False" CommandName="Page"
                                                                            Text="尾页" CommandArgument="last" OnClick="btnFirst_Click">
                                                                        </asp:LinkButton>
                                                                        <asp:TextBox ID="txtNewPageIndex" runat="server" Text='<%# ((GridView)Container.Parent.Parent).PageIndex + 1 %>'
                                                                            Width="20px" AutoPostBack="True"></asp:TextBox>
                                                                        <asp:LinkButton ID="btnGo" runat="server" CausesValidation="False" CommandArgument="go"
                                                                            CommandName="Page" Text="GO" OnClick="btnFirst_Click"></asp:LinkButton>
                                                                    </td>
                                                                </tr>
                                                            </table>
                                                        </PagerTemplate>
                                                    </asp:GridView>
                                                </td>
                                            </tr>
                                            <tr>
                                                <td>
                                                    <div class="shadow">
                                                        <table class="modalup_fmBtnTbl" cellspacing="0">
                                                            <tr>
                                                                <td style=" 30px">
                                                                </td>
                                                                <td align="left">
                                                                    <asp:Button ID="btnOK" runat="server" Text="相同信访事项" SkinID="gray" OnClick="btnOK_Click" />
                                                                </td>
                                                                <td align="left">
                                                                    <asp:Button ID="btnCancel" runat="server" Text="取 消" SkinID="gray" />
                                                                </td>
                                                                <td>
                                                                </td>
                                                            </tr>
                                                        </table>
                                                    </div>
                                                </td>
                                            </tr>
                                        </table>
                                    </asp:Panel>
                                </ContentTemplate>
                            </asp:UpdatePanel>
                            </div>

后台：

protected void btnFirst_Click(object sender, EventArgs e)
    {
        ModalPopupExtender1.Show();
        switch (((LinkButton)sender).CommandArgument.ToString())
        {
            case "first":
                gvRepeatData.PageIndex = 0;
                break;
            case "last":
                gvRepeatData.PageIndex = gvRepeatData.PageCount - 1;
                break;
            case "prev":
                gvRepeatData.PageIndex = gvRepeatData.PageIndex - 1;
                break;
            case "next":
                gvRepeatData.PageIndex = gvRepeatData.PageIndex + 1;
                break;
            case "go":
                {
                    GridViewRow gvr = gvRepeatData.BottomPagerRow;
                    TextBox temp = (TextBox)gvr.FindControl("txtNewPageIndex");
                    int res = Convert.ToInt32(temp.Text.ToString());
                    gvRepeatData.PageIndex = res - 1;
                }
                break;
        }
        BindData();
      
    }

    /// <summary>
    /// 绑定数据
    /// </summary>
    protected void BindData()
    {
        DataTable dt = new DataTable();
        dt = ManagerBase.LXBaseInfoManager.GetRepeatData(txtName.Text.Trim(), txtAddress.Text.Trim(), 1);
        gvRepeatData.DataSource = dt;
        gvRepeatData.DataBind();
    }

二、弹出窗

                function openwin() {
                    var name = document.getElementById("<%=this.txtName.ClientID %>").value;
                    var address = document.getElementById("<%=this.txtAddress.ClientID %>").value;
                    var iTop = (window.screen.availHeight - 30 - 500) / 2;
                    var iLeft = (window.screen.availWidth - 10 - 750) / 2;
                    window.open("Repeat.aspx?Name=" + name + "&Address=" + address + "&type=2", "newwindow", "height=200,width=900,top=" + iTop + ",left=" + iLeft + ",toolbar=no,menubar=no,scrollbars=yes,resizeable=yes,location=no,status=no");
                }