How to Invoke Java Web Service in ASP.NET using C#

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns:xalan="http://xml.apache.org/xslt" xmlns:webproject2="http://www.netbeans.org/ns/web-project/2" xmlns:jaxws="http://www.netbeans.org/ns/jax-ws/1">
    <!--
                ===================
                JAX-WS WSIMPORT SECTION
                ===================
            -->
    <target name="wsgen-init" depends="init, -do-compile">
        <mkdir dir="${build.generated.dir}/wsgen/service"/>
        <mkdir dir="${build.generated.dir}/wsgen/binaries"/>
        <mkdir dir="${build.classes.dir}"/>
        <taskdef name="wsgen" classname="com.sun.tools.ws.ant.WsGen">
            <classpath path="${java.home}/../lib/tools.jar:${build.classes.dir}:${j2ee.platform.wsgen.classpath}:${javac.classpath}"/>
        </taskdef>
    </target>
    <target name="wsgen-JSimpCalcWebService" depends="wsgen-init">
        <wsgen fork="true" xendorsed="true" sourcedestdir="${build.generated.dir}/wsgen/service" resourcedestdir="${build.generated.dir}/wsgen/service" destdir="${build.generated.dir}/wsgen/binaries" keep="true" genwsdl="true" sei="calc.ws.JSimpCalcWebService">
            <classpath path="${java.home}/../lib/tools.jar:${build.classes.dir}:${j2ee.platform.wsgen.classpath}:${javac.classpath}"/>
            <jvmarg value="-Djava.endorsed.dirs=${jaxws.endorsed.dir}"/>
        </wsgen>
    </target>
    <target name="wsgen-service-compile" depends="wsgen-JSimpCalcWebService">
        <webproject2:javac srcdir="${build.generated.dir}/wsgen/service" classpath="${j2ee.platform.wsimport.classpath}:${javac.classpath}" destdir="${build.classes.dir}"/>
    </target>
</project>