Model Popup with Grid View Link Button in asp.net using Ajax

Code For Default.aspx Page

<%@ Page Language="C#" EnableEventValidation="false"  MasterPageFile="~/MasterPage_Realestate.master"   AutoEventWireup="true" CodeFile="UserManager.aspx.cs" Inherits="Default2" Title="Untitled Page" %>

<%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="cc1" %>

<asp:Content ContentPlaceHolderID="head" ID="hhhh" runat="server">

<style type="text/css" >

.modalPopup

{

background-color:#ffffdd;

border-width:3px;

border-style:solid;

border-color:Gray;

padding:3px;

width:250px;

}

</style>

<script type="text/javascript">

     function fnClickUpdate(sender, e)

     {

      __doPostBack(sender,e); 

     }

    </script>

</asp:Content>

<asp:Content ID="Content1" ContentPlaceHolderID="ContentPlaceHolder2" Runat="Server">

    <asp1:ScriptManagerProxy ID="ScriptManagerProxy1" runat="server">

    </asp1:ScriptManagerProxy>

 

    <table>

        <tr>

            <td style="width: 111px; height: 26px">

                <asp:LinkButton ID="LinkButton1" runat="server" Font-Size="14pt" Height="23px" OnClick="LinkButton1_Click"

                    Width="190px" Font-Bold="True" ForeColor="ActiveCaption">View User</asp:LinkButton></td>

            <td style="width: 96px; height: 26px" align="left" valign="top">

              

                </td>

        </tr>

       

        <tr>

            <td colspan="2" style="height: 18px ; " align="left" valign="top">

                

              

               

                <asp1:UpdatePanel id="UpdatePanel1" runat="server">

                    <contenttemplate>

                        &nbsp;<table style="width: 100%">

                            <tr>

                                <td style="width: 100px">

                    <asp:Label ID="lbl_msg" runat="server" ForeColor="ActiveCaption" Width="622px" Height="21px" Font-Bold="True"></asp:Label></td>

                                <td style="width: 100px">

                                    <asp:Label ID="Label2" runat="server" Height="21px" Text="Label" Width="140px" Font-Bold="True" Font-Size="14pt" ForeColor="Maroon" Visible="False"></asp:Label></td>

                            </tr>

                        </table>

                <asp:Panel ID="Panel2" runat="server" Height="350px" Width="800px"

                    ScrollBars="Horizontal">

                    <asp:GridView ID="GridView_viewUser" runat="server" AllowPaging="True" AllowSorting="True" AutoGenerateColumns="False" CellPadding="3" ForeColor="#333333" GridLines="None" Height="380px" Width="798px"                      

  BorderColor="Black" BorderStyle="Solid" BorderWidth="1px" PageSize="20" CellSpacing="3" OnSelectedIndexChanging="GridView_viewUser_SelectedIndexChanging">

<FooterStyle BackColor="#507CD1" Font-Bold="True" ForeColor="White" />

                        <RowStyle BackColor="#EFF3FB" />

                        <EditRowStyle BackColor="Silver" />

                        <SelectedRowStyle BackColor="#D1DDF1" Font-Bold="True" ForeColor="#333333" />

                        <PagerStyle BackColor="#2461BF" ForeColor="White" HorizontalAlign="Center" />

                        <HeaderStyle BackColor="LightGray" Font-Bold="True" ForeColor="White" />

                        <AlternatingRowStyle BackColor="White" />

                        <Columns>

                          <asp:TemplateField>

                            <HeaderTemplate>

                              <asp:LinkButton ID="Lbtndelete" runat="server" Text="Delete" Width="45" Height="20" Font-Bold="true" Font-Size="Small"  CommandName="Delete" ForeColor="maroon"

                           OnClientClick="javascript :return confirm('Are you sure ,you want to delete selected records ?');" OnClick="Lbtndelete_Click"  ></asp:LinkButton>

                            </HeaderTemplate>

                                <ItemTemplate>

                                    <asp:CheckBox ID="ckboxviewuser" runat="server" TextAlign="Left" />

                                </ItemTemplate>

                              </asp:TemplateField>

                            <asp:TemplateField HeaderText="Action">

                          <ItemTemplate>

/*Model Popup For Link Button*/

                          <asp:LinkButton ID="lbtnedit" runat="server"  CommandName="Select" Text="Edit" Width="43px" Font-Bold="True" Font-Size="10pt" Height="18px" ForeColor="Navy" OnClick="lbtnedit_Click"  CommandArgument='<%#DataBinder.Eval(Container.DataItem,"UserID").ToString()%>' ></asp:LinkButton>&nbsp;

                          </ItemTemplate>

                          </asp:TemplateField>  

                             

                        <asp:TemplateField HeaderText="User ID" Visible="False">

                        <ItemTemplate>

                        <asp:Label ID="lbluserid" runat="server" Text='<%#Eval("UserID")%>'></asp:Label>

                         </ItemTemplate>

                        </asp:TemplateField  >

                        <asp:TemplateField HeaderText="User Name">

                        <ItemTemplate>

                        <asp:Label ID="lblName" runat="server" Text='<%#Eval("Name")%>'></asp:Label>

                        </ItemTemplate>

                        </asp:TemplateField>

                       

                        <asp:TemplateField HeaderText="UserType">

                        <ItemTemplate>

                        <asp:Label ID="lblUserType" runat="server" Text='<%#Eval("UserType")%>'></asp:Label>

                        </ItemTemplate>

                        </asp:TemplateField>

                        

                        </Columns>

                    </asp:GridView>

/*Model POPup */

              <cc1:ModalPopupExtender ID="ModalPopupExtender1" runat="server"  TargetControlID="btnhiddden" CancelControlID="btnCancel"  PopupControlID="Pnl_update">

                </cc1:ModalPopupExtender>

             

                 <asp:Button ID="btnhiddden" runat="server" Text="Button" Style="display: none;background-color:#f5f5f5;"  Width="84px"/>

/* model popup TargetControl  */

                 <asp:Panel ID="Pnl_update" runat="server" Height="550px" Width="525px"  CssClass="modalPopup"  Style="display: none; " BorderColor="Black" BorderStyle="Solid" BorderWidth="1px" >

                    <table style="width: 100%; height: 100%">

                        <tr>

                            <td style="width: 100px">

                            </td>

                            <td style="width: 100px" align="right">

                                <asp:Button ID="btnupdate" runat="server" BackColor="Silver" Height="25px" Text="Update"

                                    Width="92px" OnClick="btnupdate_Click" CausesValidation="False" /></td>

                            <td style="width: 100px">

                                <asp:Button ID="btnCancel" runat="server" BackColor="Silver" Height="24px" Text="Cancel"

                                    Width="91px" CausesValidation="False" /></td>

                        </tr>

                    </table>

                </asp:Panel>

                </asp:Panel></contenttemplate>

                </asp1:UpdatePanel><%-- </asp:Panel>--%>

                </td>

        </tr>

        <tr>

            <td style="height: 16px" align="left" colspan="2" valign="top">

                &nbsp;&nbsp;

              

            

            </td>

        </tr>

    </table>

</asp:Content>

 Code For Default.aspx.cs Page

using System;

using System.Data;

using System.Configuration;

using System.Collections;

using System.Web;

using System.Web.Security;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Web.UI.WebControls.WebParts;

using System.Web.UI.HtmlControls;

using System.Data.SqlClient;

using System.Collections.Specialized;

using System.Text;

public partial class Default2 : System.Web.UI.Page

{

    SqlConnection con;

    Connection cn = new Connection();

    GetData g_viewuser = new GetData();

    DataSet ds_viewuser = new DataSet();

    FillDD fdd_name = new FillDD();

    DataTable dt= new DataTable() ;

    static int flag;

    static long  PopupuserId,ctryid,stateid,cityid;

    //static string str_Popup;

    protected void Page_Load(object sender, EventArgs e)

    {

    

        if (!IsPostBack)

        {

            ddl_city.Enabled = false;

            BindGrid("usp_SelectUserDetail");

        }

    }

    public void BindGrid(string Query)

    {

        con = cn.conn();

       

        try

        {

            //if (con.State == ConnectionState.Closed)

            //    message("Could not connect to Server");

            ds_viewuser.Clear();

            ds_viewuser = g_viewuser.Getdataset(Query);

            GridView_viewUser.DataSource = ds_viewuser.Tables[0];

            GridView_viewUser.DataBind();

            lbl_msg.Text= "  Total   "+ Convert.ToString(ds_viewuser.Tables[0].Rows.Count)+ " "+" User Found....";

          

           

        }

        finally

        {

            con.Close();

        }

    }

   

    protected void GridView_viewUser_SelectedIndexChanging(object sender, GridViewSelectEventArgs e)

    {

        PopupuserId = Convert.ToInt64(((LinkButton)GridView_viewUser.Rows[e.NewSelectedIndex].FindControl("lbtnedit")).CommandArgument.ToString());

       // Label1.Text = Convert.ToString(PopupuserId);

        GetUserInfo(PopupuserId);

        this.ModalPopupExtender1.Show();

    }

}