<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>

<%@ Register Assembly="Telerik.Web.UI" Namespace="Telerik.Web.UI" TagPrefix="telerik" %>
<!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>
        <asp:ScriptManager ID="ScriptManager1" runat="server">
        </asp:ScriptManager>
        <asp:Button ID="Button1" runat="server" Text="Export selected items" OnClick="Button1_Click" />
        <telerik:RadGrid Skin="Vista" AutoGenerateEditColumn="true" ID="RadGrid1" ShowStatusBar="true"
            DataSourceID="SqlDataSource1" runat="server" AutoGenerateColumns="False" AllowMultiRowSelection="true"
            AllowPaging="True" GridLines="None" PageSize="10">
            <PagerStyle Mode="NumericPages"></PagerStyle>
            <MasterTableView HierarchyLoadMode="ServerOnDemand" DataSourceID="SqlDataSource1"
                DataKeyNames="CustomerID" AllowMultiColumnSorting="True" CommandItemDisplay="None">
                <DetailTables>
                    <telerik:GridTableView Name="Orders" DataKeyNames="OrderID" CommandItemDisplay="None"
                        DataSourceID="SqlDataSource2" Width="100%" runat="server">
                        <ParentTableRelation>
                            <telerik:GridRelationFields DetailKeyField="CustomerID" MasterKeyField="CustomerID" />
                        </ParentTableRelation>
                        <Columns>
                            <telerik:GridBoundColumn SortExpression="OrderID" HeaderText="OrderID" HeaderButtonType="TextButton"
                                DataField="OrderID" UniqueName="OrderID">
                            </telerik:GridBoundColumn>
                            <telerik:GridBoundColumn SortExpression="OrderDate" HeaderText="Date Ordered" HeaderButtonType="TextButton"
                                DataField="OrderDate" UniqueName="OrderDate" DataFormatString="{0:D}">
                            </telerik:GridBoundColumn>
                            <telerik:GridBoundColumn SortExpression="Freight" HeaderText="Freight" HeaderButtonType="TextButton"
                                DataField="Freight" UniqueName="Freight">
                            </telerik:GridBoundColumn>
                        </Columns>
                        <SortExpressions>
                            <telerik:GridSortExpression FieldName="OrderDate"></telerik:GridSortExpression>
                        </SortExpressions>
                    </telerik:GridTableView>
                </DetailTables>
                <Columns>
                    <telerik:GridBoundColumn SortExpression="CustomerID" HeaderText="CustomerID" HeaderButtonType="TextButton"
                        DataField="CustomerID" UniqueName="CustomerID">
                    </telerik:GridBoundColumn>
                    <telerik:GridBoundColumn SortExpression="ContactName" HeaderText="Contact Name" HeaderButtonType="TextButton"
                        DataField="ContactName" UniqueName="ContactName">
                    </telerik:GridBoundColumn>
                    <telerik:GridBoundColumn SortExpression="CompanyName" HeaderText="Company" HeaderButtonType="TextButton"
                        DataField="CompanyName" UniqueName="CompanyName">
                    </telerik:GridBoundColumn>
                </Columns>
                <SortExpressions>
                    <telerik:GridSortExpression FieldName="CompanyName"></telerik:GridSortExpression>
                </SortExpressions>
            </MasterTableView>
            <ClientSettings>
                <Selecting AllowRowSelect="true" />
            </ClientSettings>
        </telerik:RadGrid>
        <asp:SqlDataSource ID="SqlDataSource1" ConnectionString="<%$ ConnectionStrings:NorthwindConnectionString %>"
            ProviderName="System.Data.SqlClient" SelectCommand="SELECT * FROM Customers"
            runat="server"></asp:SqlDataSource>
        <asp:SqlDataSource ID="SqlDataSource2" ConnectionString="<%$ ConnectionStrings:NorthwindConnectionString %>"
            ProviderName="System.Data.SqlClient" SelectCommand="SELECT * FROM Orders Where CustomerID = @CustomerID"
            runat="server">
            <SelectParameters>
                <asp:SessionParameter Name="CustomerID" SessionField="CustomerID" Type="string" />
            </SelectParameters>
        </asp:SqlDataSource>
    <
    /div>
    </form>
</body>
</html>
