Visual studio 在Visual studio 2010上安装selenium时出错

错误：找不到类型或命名空间名称“Selenium”（是否缺少using指令或程序集引用？

由IDE生成的代码

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

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

[SetUp]
public void SetupTest()
{
selenium = new DefaultSelenium("localhost", 4444, "*chrome", "http://www.ehow.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 TheUntitledTest()
{
            selenium.Open("/tips_7490061.html");
            selenium.Click("//a[contains(text(),'How to Conserve Water Usage')]");
            selenium.WaitForPageToLoad("30000");
}
}
}

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您是否已将Selenium DLL添加到c#项目中

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我有一个基本教程可以帮助您入门。

是的，我添加了以下文件作为参考：nunit.framework.dll，nunit.core，Thoughworks.seleniumcore，Thoughtworks.selenium.integrationTests，Thoughtworks.selenium.unittests，我添加了以下文件作为参考：nunit.framework.dll，nunit.core，Thoughworks.seleniumcore，Thoughtworks.selenium.in‌​积分测试，Thoughtworks.selenium.unitTests