How to Make Linq Work in User Control of SharePoint 2007

Hi

First Copy the above lines of code after  <assemblies> tag

Now Paste these lines after Assemblies Tag

<add assembly="System.Core, Version=3.5.0.0, Culture=neutral,
PublicKeyToken=B77A5C561934E089"/>
                <add assembly="System.Data.DataSetExtensions, Version=3.5.0.0,
Culture=neutral, PublicKeyToken=B77A5C561934E089"/>
                <add assembly="System.Xml.Linq, Version=3.5.0.0, Culture=neutral,
PublicKeyToken=B77A5C561934E089"/>
                <add assembly="System.Design, Version=2.0.0.0, Culture=neutral,
PublicKeyToken=B03F5F7F11D50A3A"/>
                <add assembly="System.Web.Extensions.Design, Version=3.5.0.0,
Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
                <add assembly="System.Windows.Forms, Version=2.0.0.0,
Culture=neutral, PublicKeyToken=B77A5C561934E089"/>
                <add assembly="System.Web.Extensions, Version=1.0.61025.0,
Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
                <add assembly="System.Web.Extensions.Design, Version=1.0.61025.0,
Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
                <add assembly="System.Data.Linq, Version=3.5.0.0, Culture=neutral,
PublicKeyToken=B77A5C561934E089"/>
____________________________________________________________________________
After this paste the following lines of code after the </system.web>
tag
<system.codedom>
                <compilers>
                        <compiler language="c#;cs;csharp" extension=".cs"
type="Microsoft.CSharp.CSharpCodeProvider,System, Version=2.0.0.0,
Culture=neutral, PublicKeyToken=b77a5c561934e089" warningLevel="4">
                                <providerOption name="CompilerVersion" value="v3.5"/>
                                <providerOption name="WarnAsError" value="false"/>
                        </compiler>
                        <compiler language="vb;vbs;visualbasic;vbscript" extension=".vb"
type="Microsoft.VisualBasic.VBCodeProvider, System, Version=2.0.0.0,
Culture=neutral, PublicKeyToken=b77a5c561934e089" warningLevel="4">
                                <providerOption name="CompilerVersion" value="v3.5"/>
                                <providerOption name="OptionInfer" value="true"/>
                                <providerOption name="WarnAsError" value="false"/>
                        </compiler>
                </compilers>
        </system.codedom>