diff --git a/src/main/org/apache/tools/ant/taskdefs/optional/dotnet/WsdlToDotnet.java b/src/main/org/apache/tools/ant/taskdefs/optional/dotnet/WsdlToDotnet.java
new file mode 100644
index 000000000..662ef7b33
--- /dev/null
+++ b/src/main/org/apache/tools/ant/taskdefs/optional/dotnet/WsdlToDotnet.java
@@ -0,0 +1,208 @@
+/*
+ *  The Apache Software License, Version 1.1
+ *
+ *  Copyright (c) 2002 The Apache Software Foundation.  All rights
+ *  reserved.
+ *
+ *  Redistribution and use in source and binary forms, with or without
+ *  modification, are permitted provided that the following conditions
+ *  are met:
+ *
+ *  1. Redistributions of source code must retain the above copyright
+ *  notice, this list of conditions and the following disclaimer.
+ *
+ *  2. Redistributions in binary form must reproduce the above copyright
+ *  notice, this list of conditions and the following disclaimer in
+ *  the documentation and/or other materials provided with the
+ *  distribution.
+ *
+ *  3. The end-user documentation included with the redistribution, if
+ *  any, must include the following acknowlegement:
+ *  "This product includes software developed by the
+ *  Apache Software Foundation (http://www.apache.org/)."
+ *  Alternately, this acknowlegement may appear in the software itself,
+ *  if and wherever such third-party acknowlegements normally appear.
+ *
+ *  4. The names "The Jakarta Project", "Ant", and "Apache Software
+ *  Foundation" must not be used to endorse or promote products derived
+ *  from this software without prior written permission. For written
+ *  permission, please contact apache@apache.org.
+ *
+ *  5. Products derived from this software may not be called "Apache"
+ *  nor may "Apache" appear in their names without prior written
+ *  permission of the Apache Group.
+ *
+ *  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
+ *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ *  OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ *  DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
+ *  ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ *  USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ *  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ *  OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ *  OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ *  SUCH DAMAGE.
+ *  ====================================================================
+ *
+ *  This software consists of voluntary contributions made by many
+ *  individuals on behalf of the Apache Software Foundation.  For more
+ *  information on the Apache Software Foundation, please see
+ *  <http://www.apache.org/>.
+ */
+
+package org.apache.tools.ant.taskdefs.optional.dotnet;
+
+import org.apache.tools.ant.Task;
+import org.apache.tools.ant.BuildException;
+import java.io.File;
+
+/**
+ * Task to convert a WSDL file/url into a dotnet language 
+ * see "Creating an XML Web Service Proxy", "wsdl.exe" docs in
+ * the framework SDK docos
+ * @author      Steve Loughran steve_l@iseran.com
+ * @version     0.5
+ * @ant.task    name="csc" category="dotnet"
+ * @since       ant 1.5
+ */
+
+public class WsdlToDotnet extends Task  { 
+    
+    /**
+     * name of output file (required)
+     */ 
+    private File destFile=null;
+    
+    /**
+     * url to retrieve
+     */ 
+    private String url=null;
+    
+    /**
+     * name of source file
+     */ 
+    private File srcFile=null;
+    
+    /**
+     * language; defaults to C#
+     */ 
+    private String language="CS";
+    
+    /**
+     * flag set to true to generate server side skeleton
+     */ 
+    private boolean server=false;
+    
+    /**
+     * namespace
+     */ 
+    private String namespace=null;
+    
+    /**
+     *  flag to control action on execution trouble
+     */
+    private boolean failOnError;
+
+    /**
+     *  any extra command options?
+     */
+    protected String extraOptions;
+    
+    /**
+     *
+     */ 
+    public void setDestFile(File destFile) {
+        this.destFile = destFile;
+    }
+
+    public void setUrl(String url) {
+        this.url = url;
+    }
+
+    public void setSrcFile(File srcFile) {
+        this.srcFile = srcFile;
+    }
+
+    public void setLanguage(String language) {
+        this.language = language;
+    }
+
+    public void setServer(boolean server) {
+        this.server = server;
+    }
+
+    public void setNamespace(String namespace) {
+        this.namespace = namespace;
+    }
+
+    public void setFailOnError(boolean failOnError) {
+        this.failOnError = failOnError;
+    }
+    
+    /**
+     *  Sets the ExtraOptions attribute
+     *
+     *@param  extraOptions  The new ExtraOptions value
+     */
+    public void setExtraOptions(String extraOptions) {
+        this.extraOptions = extraOptions;
+    }
+    
+    /**
+     * validation code
+     * @throws  BuildException  if validation failed
+     */ 
+    protected void validate() 
+            throws BuildException {
+        if(destFile==null) {
+            throw new BuildException("destination file must be specified");
+        }
+        if(url!=null && srcFile!=null) {
+            throw new BuildException(
+                    "you can not specify both a source file and a URL");
+        }
+        if(url==null && srcFile==null) {
+            throw new BuildException(
+                    "you must specify either a source file or a URL");
+        }
+    }
+
+    /**
+     *  do the work by building the command line and then calling it
+     *
+     *@throws  BuildException  if validation or execution failed
+     */
+    public void execute()
+             throws BuildException {
+        validate();
+        NetCommand command = new NetCommand(this, "WSDL", "wsdl");
+        command.setFailOnError(failOnError);
+        //DEBUG helper
+        command.setTraceCommandLine(true);
+        //fill in args
+        command.addArgument("/nologo");
+        command.addArgument("/outfile:"+destFile);
+        command.addArgument("/language:",language);
+        if(server) {
+            command.addArgument("/server");
+        }
+        command.addArgument("/namespace:",namespace);
+        //because these args arent added when null, we can 
+        //set both of these and let either of them 
+        command.addArgument(srcFile.toString());
+        command.addArgument(url);
+        
+        //rebuild unless the dest file is newer than the source file
+        boolean rebuild=true;
+        if(srcFile.exists() && destFile.exists() && 
+            srcFile.lastModified()<=destFile.lastModified()) {
+            rebuild=false;
+        }
+        if(rebuild) {
+            command.runCommand();
+        }
+    }
+}
+