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标题:不知道缺少哪个命名空间??
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huazai2012s
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不知道缺少哪个命名空间??
using System;
using System.Collections.Generic;
using System.Data.Linq;
using System.Linq;
using System.Text;


namespace BegVCSharp_27_1_FirstLINQtoSQLquery
{
    class Program
    {
        static void Main(string[] args)
        {
            NorthwindDataContext NorthwindDataContext = new NorthwindDataContext();
            var queryresults = from c in NorthwindDataContext.customers
                              where c.country = "USA"
                              select new
                              {
                                  ID = c.customerID,
                                  Name = ,
                                  City = c.city,
                                  state = c.regin
                              };
            foreach (var item in queryresults)
            {
                Console.WriteLine(item);
            };
            Console.WriteLine("press enter/return to continue ...");
            Console.ReadKey();
        }
    }
}
Error    1    The type or namespace name 'NorthwindDataContext' could not be found (are you missing a using directive or an assembly reference?)    C:\Users\dell\AppData\Local\Temporary Projects\ConsoleApplication1\Program.cs    15    13    ConsoleApplication1
Error    2    The type or namespace name 'NorthwindDataContext' could not be found (are you missing a using directive or an assembly reference?)    C:\Users\dell\AppData\Local\Temporary Projects\ConsoleApplication1\Program.cs    15    61    ConsoleApplication1



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