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  #1 (permalink)  
Old July 10th, 2008, 11:32 AM
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Default Chapter 12 Try It Out: Applying Filter (pg 400)

Hi,

I tried this code, and it shows up an error

Please help, i am completely new to asp.net

Deepesh

<%@ Page Language="VB" MasterPageFile="~/MasterPages/ManagementMaster.master" AutoEventWireup="false" CodeFile="Reviews.aspx.vb" Inherits="Reviews" title="Planet Wrox - Management Reviews" %>

<asp:Content ID="Content1" ContentPlaceHolderID="head" Runat="Server">
</asp:Content>
<asp:Content ID="Content2" ContentPlaceHolderID="cpMainContent" Runat="Server">
    <asp:UpdatePanel ID="UpdatePanel1" runat="server">
        <ContentTemplate>
            <asp:DropDownList ID="DropDownList1" runat="server" AppendDataBoundItems="True"
        AutoPostBack="True" DataSourceID="SqlDataSource1" DataTextField="Name"
        DataValueField="ID">
                <asp:ListItem>"Please make your choice"</asp:ListItem>
            </asp:DropDownList>
            <asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False"
                DataKeyNames="Id" DataSourceID="SqlDataSource2"
                style="font-family: Arial, Helvetica, sans-serif; font-size: small">
                <Columns>
                    <asp:BoundField DataField="Id" HeaderText="Id" InsertVisible="False"
                        ReadOnly="True" SortExpression="Id" />
                    <asp:BoundField DataField="Title" HeaderText="Title" SortExpression="Title" />
                    <asp:BoundField DataField="Summary" HeaderText="Summary"
                        SortExpression="Summary" />
                    <asp:BoundField DataField="Body" HeaderText="Body" SortExpression="Body" />
                    <asp:BoundField DataField="GenreId" HeaderText="GenreId"
                        SortExpression="GenreId" />
                    <asp:CheckBoxField DataField="Authorized" HeaderText="Authorized"
                        SortExpression="Authorized" />
                    <asp:BoundField DataField="CreateDateTime" HeaderText="CreateDateTime"
                        SortExpression="CreateDateTime" />
                    <asp:BoundField DataField="UpdateDateTime" HeaderText="UpdateDateTime"
                        SortExpression="UpdateDateTime" />
                </Columns>
            </asp:GridView>
            <asp:SqlDataSource ID="SqlDataSource1" runat="server"
                ConnectionString="<%$ ConnectionStrings:PlanetWroxConnectionString1 %>"
                SelectCommand="SELECT [Id], [Name] FROM [Genre] ORDER BY [SortOrder]">
            </asp:SqlDataSource>
            <asp:SqlDataSource ID="SqlDataSource2" runat="server"
                ConnectionString="<%$ ConnectionStrings:PlanetWroxConnectionString1 %>"
                SelectCommand="SELECT * FROM [Review] WHERE ([GenreId] = @GenreId)">
                <SelectParameters>
                    <asp:ControlParameter ControlID="DropDownList1" Name="GenreId"
                        PropertyName="SelectedValue" Type="Int32" />
                </SelectParameters>
            </asp:SqlDataSource>
        </ContentTemplate>
    </asp:UpdatePanel>
</asp:Content>



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Old July 10th, 2008, 02:27 PM
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Default

And the error is?

Maybe you're better off posting this in the book's own forum here at p2p.wrox.com.

Cheers,

Imar

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Old July 12th, 2008, 10:28 AM
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Default

Oops,

That was an easy answer guess i had multiple folders and i belive are some teething problems, because i resumed this after a long break.

Thanks for all your help for this.

By the way as far the problem is concerned, the answers and reasons for anything to go wrong are clearly explained by Imar is the following pages..this book is awesome!

Deepesh

 


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