open new tab by click on row command of gridview in update c

Question

I want to open new tab window by click grid row command,so normally its working but when i put grid into update panel then its not redirecting to new tab, where as when i de bugged code behind side working properly.so how to open new tab by click on row command of gridview in update control?

 

<asp:UpdatePanel ID="upbtnSearch" runat="server"><ContentTemplate>

<asp:Button ID="btnSearchCust" Text="Search" runat="server" class="btn btn-success" onclick="btnSearchCust_Click" />

<asp:Label ID="lblDiscounts" runat="server"></asp:Label>

<asp:Label ID="lblTotPaids" runat="server"></asp:Label>

</ContentTemplate>

<Triggers>

<asp:AsyncPostBackTrigger ControlID="btnSearchCust" />

</Triggers>

</asp:UpdatePanel>

<asp:UpdatePanel ID="upGrid" runat="server"><ContentTemplate>

<asp:GridView ID="gridPaySearch" AutoGenerateColumns="False" runat="server"

BackColor="White" BorderColor="White" BorderStyle="Ridge" BorderWidth="2px"

CellPadding="3" CellSpacing="1" GridLines="None"

onrowcommand="gridPaySearch_RowCommand"

onselectedindexchanging="gridPaySearch_SelectedIndexChanging">

<Columns>

<asp:TemplateField HeaderText="#">

<ItemTemplate>

<%#Container.DataItemIndex + 1%>

</ItemTemplate>

<ItemStyle Width="8%" />

</asp:TemplateField>

<asp:TemplateField HeaderText="Invoice#">

<ItemTemplate>

<asp:LinkButton ID="linkPayId" ItemStyle-Width="150px" ItemStyle-Height="150px" runat="server" Text='<%# Bind("PayId") %>' CommandArgument='<%#Eval("PayId")%>' CommandName="PaymentVIEW"></asp:LinkButton>

</ItemTemplate>

</asp:TemplateField>

<asp:BoundField HeaderText="Account No" DataField="UserId" />

<asp:TemplateField HeaderText="Customer Name">

<ItemTemplate>

<asp:LinkButton ID="linkCustName" runat="server" Text='<%# Bind("[ Name]") %>' CommandArgument='<%#Eval("UserId")%>' CommandName="CustomerVIEW"></asp:LinkButton>

</ItemTemplate>

</asp:TemplateField>

<asp:BoundField DataField="UserName" HeaderText="User Name" />

<asp:BoundField DataField="PackageName" HeaderText="Package Name" />

<asp:BoundField DataField="PackagePeriod" HeaderText="Package Period" />

<asp:BoundField DataField="InstallCharge" HeaderText="Installation Charges" />

<asp:BoundField DataField="AmountToPay" HeaderText="Amount To Pay" />

<asp:BoundField DataField="PyingAmount" HeaderText="Amount Paid" />

<asp:BoundField DataField="Balance" HeaderText="Balance" />

<asp:BoundField DataField="DiscountToPay" HeaderText="Discount" />

<asp:BoundField DataField="AreaName" HeaderText="Area" />

<asp:BoundField DataField="MobNo" HeaderText="Mobile#" />

<asp:BoundField DataField="CreatedDate" HeaderText="Created Time" />

<asp:BoundField DataField="EmpName" HeaderText="Collected By" />

<asp:BoundField DataField="BankName" HeaderText="Bank Name" />

<asp:BoundField DataField="ChequeNo" HeaderText="Cheque No" />

<asp:BoundField DataField="ChequeDate" HeaderText="Cheque Date" />

</Columns>

<FooterStyle BackColor="#C6C3C6" ForeColor="Black" />

<HeaderStyle BackColor="#4A3C8C" Font-Bold="True" ForeColor="#E7E7FF" />

<PagerStyle BackColor="#C6C3C6" ForeColor="Black" HorizontalAlign="Right" />

<RowStyle BackColor="#DEDFDE" ForeColor="Black" />

<SelectedRowStyle BackColor="#9471DE" Font-Bold="True" ForeColor="White" />

<SortedAscendingCellStyle BackColor="#F1F1F1" />

<SortedAscendingHeaderStyle BackColor="#594B9C" />

<SortedDescendingCellStyle BackColor="#CAC9C9" />

<SortedDescendingHeaderStyle BackColor="#33276A" />

</asp:GridView>

<asp:Repeater ID="rptPager" runat="server"></asp:Repeater>

</ContentTemplate>

<Triggers>

<asp:AsyncPostBackTrigger ControlID="gridPaySearch" EventName="RowCommand" />

<asp:AsyncPostBackTrigger ControlID="btnSearchCust" EventName="Click" />

<asp:AsyncPostBackTrigger ControlID="ddlRecordPayment" EventName="SelectedIndexChanged" />

</Triggers>

</asp:UpdatePanel>

 

<asp:UpdatePanel ID="upddlRecord" runat="server"><ContentTemplate>

<asp:DropDownList ID="ddlRecordPayment" runat="server" AutoPostBack="True"

onselectedindexchanged="ddlRecordPayment_SelectedIndexChanged">

<asp:ListItem>5</asp:ListItem>

<asp:ListItem>10</asp:ListItem>

<asp:ListItem>25</asp:ListItem>

<asp:ListItem>50</asp:ListItem>

<asp:ListItem>100</asp:ListItem>

<asp:ListItem>250</asp:ListItem>

<asp:ListItem>500</asp:ListItem>

<asp:ListItem>1000</asp:ListItem>

</asp:DropDownList>

 

 

/* code beind side*/

 

 

 

protected void gridPaySearch_RowCommand(object sender, GridViewCommandEventArgs e)

{

if (e.CommandName == "PaymentVIEW")

{

int row = Convert.ToInt32(e.CommandArgument);

Session["PayId"] = row;

Response.Write("<script> window.open( '../Update Pages/PaymentUpdateAndDelete.aspx','_blank' ); </script>");

//Response.Write("<script>window.opener.location.href = window.opener.location.href </script>");

//Response.Redirect("~/Update Pages/PaymentUpdateAndDelete.aspx");

}

else if (e.CommandName == "CustomerVIEW")

{

int row = Convert.ToInt32(e.CommandArgument);

Session["UserId"] = row;

Response.Redirect("~/Update Pages/RegCustUpdateAndDelete.aspx");

}

}