[Table ( Name = "TR_Course_Info" )]
public class TR_Course_InfoList
{
    [Column ( Storage = "CourseID",AutoSync=AutoSync.OnInsert, DbType="UniqueIdentifier NOT NULL",IsDbGenerated = true, IsPrimaryKey = true )]
    public System.Guid CourseID
    {
        get;
        set;
    }

    [Column]
    public string CourseName
    {
        get;
        set;
    }
    [Column]
    public int TypeID
    {
        get;
        set;
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Data.Linq;
using System.Data;
using System.Data.SqlClient;
using System.Configuration;
using System.Data.Objects;

/// <summary> ///PlanDataContext 的摘要说明
/// </summary> public class PlanDataContext<T>:DataContext
{
    public Table<TR_Course_InfoList> TR_Course_InfoList;


    public PlanDataContext(string ConnectionString): base ( ConnectionString )
    {
        // //TODO: 在此处添加构造函数逻辑
        //
    }
}