Hi i am building one simple web application using tool Nant, it's building successfully but when i run the application it's showing this error:-

Could not load type 'WebApplication21.Global'.

Source Error:


Line 1: <%@ Application Codebehind="Global.asax.cs" Inherits="WebApplication21.Global" %>


i am using this build file for building the application:-

<?xml version="1.0"?>
<project name="WebSolution" default="build" basedir="." xmlns="http://nant.sf.net/schemas/nant-0.85.win32.net-1.0.xsd">
    <description>This is a sample build file to be used for the BuildingSolution sample</description>



    <property name="Solution.Filename" value="C:\inetpub\wwwroot\WebSolution\WebSolution. sln"/>
    <property name="Solution.Configuration" value="DEBUG"/>
    <property name="Build.OutputFolder" value="c:\builds\WebSolution\"/>
    <property name="debug" value="true"/>




    <target name="clean" description="remove all generated files">
        <delete>
                  <fileset basedir="${Build.OutputFolder}Latest\">
                        <include name="*.*"/>
                  </fileset>
        </delete>
    </target>

    <target name="build" description="compiles the source code">
            <call target="clean"/>
            <solution solutionfile="${Solution.Filename}" outputdir="${Build.OutputFolder}latest\" configuration="${Solution.Configuration}">
    <webmap>
                <map url = "http://localhost/webapplication21/webapplication21.csproj"
        path = "C:\inetpub\wwwroot\webapplication21\webapplicatio n21.csproj" />
                    </webmap>
    </solution>
    <copy todir ="C:\builds\websolution\latest\">
    <fileset basedir ="c:\inetpub\wwwroot\webapplication21">
    <include name ="**.cs"/>
    <include name ="**.aspx"/>
    <include name ="**.config"/>
    <include name ="**.asax"/>
    </fileset>
    </copy>


    </target>

</project>

is there any mistake in the build file ? pls help me it's very urgent.

Thanks in advance

Devesh