Hi Sir,

I have an issue regarding to the new tab. Sir I am showing you scenario so you should help me i I have put tabpanel in Home.aspx this panel consist one page link which opens in new tab ie. Page1.aspx. On page1 there is a grid. while double click to the grid which open Page2.aspx in to the same tab. I need to open this in to different tab. So can you provide me a solution to open this in different tab. I have attach one project so it clears you about issue.

Thanks
Home.aspx
<%@ Page Title="" Language="C#" MasterPageFile="~/MasterPage.master" AutoEventWireup="true"
    CodeFile="Home.aspx.cs" Inherits="Home" %>

<%@ Register Assembly="Ext.Net" Namespace="Ext.Net" TagPrefix="ext" %>
<asp:Content ID="Content1" ContentPlaceHolderID="head" runat="Server">
    <style type="text/css">
        x.menu, .x-menu-list
        {
            color: White;
            background-color: White !important;
        }
    </style>
</asp:Content>
<asp:Content ID="Content2" ContentPlaceHolderID="ContentPlaceHolder1" runat="Server">

    <script type="text/javascript">
        var addTab = function(tabPanel, id, url, title) {
            var tab = tabPanel.getComponent(id);

            if (!tab) {
                tab = tabPanel.add({
                    id: id,
                    title: title,
                    closable: true,
                    autoLoad: {
                        showMask: true,
                        url: url,
                        mode: "iframe",
                        maskMsg: "Loading " + url + "..."
                    }
                });

                tab.on("activate", function() {
                    var item = ctl00_ContentPlaceHolder1_MenuPanel1.menu.items.get(id + "_item");
                    if (item) {
                        ctl00_ContentPlaceHolder1_MenuPanel1.setSelection(item);
                    }
                }, this);
            }

            tabPanel.setActiveTab(tab);
        }
    </script>

    <ext:Panel ID="Panel1" runat="server" Title="HOME" AutoWidth="true" Height="650"
        Layout="BorderLayout" DefaultCollapsible="false" DefaultSplit="true">
        <Items>
            <ext:Panel ID="Panel2" runat="server" BodyStyl="color: White" DefaultPadding="6"
                Width="200" MaxWidth="200" MinWidth="200" Layout="Accordion" Region="West" DefaultBorder="false"
                Collapsible="true">
                <Items>
                    <ext:MenuPanel ID="MenuPanel1" BodyStyle="color: White" Title="Menu" runat="server">
                        <Menu ID="Menu" runat="server">
                            <Items>
                                <ext:MenuItem ID="MenuItem1" runat="server" Text="Page1" Icon="Page" >
                                    <Listeners>
                                        <Click Handler="addTab(#{TabPanel1}, 'idClt', 'Page1.aspx','Page1');" />
                                    </Listeners>
                                </ext:MenuItem>
                            </Items>
                        </Menu>
                    </ext:MenuPanel>
                </Items>
            </ext:Panel>
            <ext:TabPanel ID="TabPanel1" runat="server" Region="Center" Collapsible="false">
                <Plugins>
                    <ext:TabScrollerMenu PageSize="5" MaxText="100" />
                    <ext:TabCloseMenu />
                </Plugins>
            </ext:TabPanel>
        </Items>
    </ext:Panel>
</asp:Content>
Page1.aspx
<%@ Page Title="" Language="C#" MasterPageFile="~/MasterPage.master" AutoEventWireup="true"
    CodeFile="Page1.aspx.cs" Inherits="Page1" %>

<%@ Register Assembly="Ext.Net" Namespace="Ext.Net" TagPrefix="ext" %>
<asp:Content ID="Content1" ContentPlaceHolderID="head" runat="Server">
</asp:Content>
<asp:Content ID="Content2" ContentPlaceHolderID="ContentPlaceHolder1" runat="Server">
    <ext:FormPanel runat="server" Height="600" AnchorHorizontal="100%">
        <Items>
            <ext:GridPanel ID="gridPage1" Height="200" Title="Demo Grid" runat="server" AutoWidth="true">
                <Store>
                    <ext:Store runat="server">
                        <Reader>
                            <ext:ArrayReader IDProperty="ID">
                                <Fields>
                                    <ext:RecordField Name="ID" Type="Int" />
                                    <ext:RecordField Name="Name" Type="String" />
                                    <ext:RecordField Name="Age" Type="Int" />
                                </Fields>
                            </ext:ArrayReader>
                        </Reader>
                    </ext:Store>
                </Store>
                <ColumnModel>
                    <Columns>
                        <ext:Column ColumnID="ColID" Header="ID" DataIndex="ID" />
                        <ext:Column ColumnID="ColName" Header="Name" DataIndex="Name" />
                        <ext:Column ColumnID="ColAge" Header="Age" DataIndex="Age" />
                    </Columns>
                </ColumnModel>
                <SelectionModel>
                    <ext:RowSelectionModel ID="RowSelectionModel1" runat="server" SingleSelect="true" />
                </SelectionModel>
                <DirectEvents>
                    <RowClick OnEvent="ShowDayClosing" Failure="Ext.MessageBox.Alert('Load Failed', 'Error....')">
                        <ExtraParams>
                            <ext:Parameter Name="ID" Value="params[0].getStore().getAt(params[1]).id" Mode="Raw" />
                        </ExtraParams>
                    </RowClick>
                </DirectEvents>
             
            </ext:GridPanel>
        </Items>
    </ext:FormPanel>
</asp:Content>

page1.aspx.cs
protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            Store store = this.gridPage1.GetStore();
            store.DataSource = new object[] 
            { 
                new object[] {1,"Jackson", 12},
                new object[] {2,"Michel", 55},
                new object[] {3,"Rock", 60}
            };
            store.DataBind();
        }
    }
    public void ShowDayClosing(object sender, Ext.Net.DirectEventArgs e)
    {
        string id = e.ExtraParams[0].Value;
        Response.Redirect("Page2.aspx?ID="+id);   
    }

page2.aspx
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Page2.aspx.cs" Inherits="Page2" %>
<%@ Register Assembly="Ext.Net" Namespace="Ext.Net" TagPrefix="ext" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
    <ext:ResourceManager ID="ResourceManager1" runat="server" />
    <ext:TextField ID="txtname" runat="server" FieldLabel="Name" />
    <ext:TextField ID="txtAge" runat="server" FieldLabel="Age" />   
    </div>
    </form>
</body>
</html>

page2.aspx.cs
protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            string id = Request.QueryString["ID"];
            if (id == "1")
            {
                txtname.Text = "Jackson";
                txtAge.Text = "12"; 
            }
            else if (id == "2")
            {
                txtname.Text = "Michel";
                txtAge.Text = "55";
            }
            else
            {
                txtname.Text = "Rock";
                txtAge.Text = "60";
            }
        }
    }