[Urgent]Unable to run the Script on SharpDevelop...

Hi Everyone,
I was trying to run a script through Sharpdevelop but it is giving error(Build Failed).Actually I have installed Selenium RC and following the instructions I installed Sharpdevelop for Dotnet client driver but sharpdevvelop is unable to run the script. Is there any configuration problem or any problem with my code below. I want the script to run on Firefox.I have installed Nunit also but don't know how to use it.Please can anyone here tell the steps to run the script.This is my first time using Selenium RC.So, Please help me out.

CODE:
using System;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading;
using NUnit.Framework;
using Selenium;

namespace SeleniumTests
{
[TestFixture]
public class Support_Test
{
private ISelenium selenium;
private StringBuilder verificationErrors;

[SetUp]
public void SetupTest()
{
selenium = new DefaultSelenium("localhost", 4444, "*chrome", "http://nutmeg.ql2.com/");
selenium.Start();
verificationErrors = new StringBuilder();
}

[TearDown]
public void TeardownTest()
{
try
{
selenium.Stop();
}
catch (Exception)
{
// Ignore errors if unable to close the browser
}
Assert.AreEqual("", verificationErrors.ToString());
}

[Test]
public void TheSupport_Test()
{
selenium.Open("http://nutmeg.ql2.com/cc/home/");
selenium.Click("link=Support");
selenium.WaitForPageToLoad("30000");
selenium.Type("subject", "hjkdfjsdhfjh");
selenium.Type("description", "fhjfhfhjkfhjfh");
selenium.Select("app_id_str", "label=rxPrice");
selenium.WaitForPageToLoad("30000");
selenium.Click("link=Costco [COSTCO]");
selenium.Click("xpath=/html/body/table[2]/tbody/tr/td[2]/center/div/table/tbody/tr[2]/td/table/tbody/tr/td/form/table/tbody/tr[6]/td[2]/span/a/img");
selenium.Click("xpath=/html/body/table[2]/tbody/tr/td[2]/center/div/table/tbody/tr[2]/td/table/tbody/tr/td/form/table/tbody/tr[6]/td[2]/span/table/tbody/tr/td/table/tbody/tr/td[3]/img");
selenium.Click("xpath=/html/body/table[2]/tbody/tr/td[2]/center/div/table/tbody/tr[2]/td/table/tbody/tr/td/form/table/tbody/tr[7]/td[2]/a/img");
selenium.Click("xpath=/html/body/table[2]/tbody/tr/td[2]/center/div/table/tbody/tr[2]/td/table/tbody/tr/td/form/table/tbody/tr[7]/td[2]/div/table/tbody/tr/td/center/table[2]/tbody/tr[6]/td[2]/a");
}
}
}

Thanks in advance for your support. Reply as soon as possible...