C#动态编译代码

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Microsoft.CSharp;
using System.IO;
using System.CodeDom.Compiler;

namespace CompileFiles
{
    class Program
    {
        static void Main(string[] args)
        {
            //*************************
            IDictionary<string, string> dic = new Dictionary<string, string>();
            dic.Add("CompilerVersion", "v3.5");
            CSharpCodeProvider objCSharpCodePrivoder = new CSharpCodeProvider(dic);

            CompilerParameters paras = new CompilerParameters();
            paras.GenerateExecutable = false;   //编译成exe还是dll
            //paras.ReferencedAssemblies.Add("System.dll");
            paras.GenerateInMemory = true;   //是否写入内存,不写入内存就写入磁盘
            paras.OutputAssembly = "C:\\UserInfo.dll";  //输出路径
            paras.ReferencedAssemblies.Add("System.dll");
            paras.ReferencedAssemblies.Add(@"C:\WINDOWS\assembly\GAC_MSIL\System.Core\3.5.0.0__b77a5c561934e089\System.Core.dll");
            StreamReader sr = new StreamReader(@"C:\UserInfo.cs");
            String txtStr = sr.ReadToEnd();

            CompilerResults result = objCSharpCodePrivoder.CompileAssemblyFromSource(paras, txtStr);
            if (result.Errors.HasErrors)
            {
                string ErrorMessage = "";
                foreach (CompilerError err in result.Errors)
                {
                    ErrorMessage += err.ErrorText;
                }
                Console.WriteLine(ErrorMessage);
            }
            //*************************
            Console.ReadKey();
        }
    }
}
// -----------------------------------------
using System;


namespace Model
{
    public class UserInfo
    {
        public virtual int ID { get; set; }
        public virtual string UserID { get; set; }
        public virtual string UserName { get; set; }
    }
}