在CRM中使用linq时,有时会报这个错误:
A proxy type with the name account has been defined by another assembly.
Current type: Account, MyAssembly, Version=1.0.0.4, Culture=neutral, PublicKeyToken=b...
1.简单形式:
var q =from p in db.Products
group p by p.CategoryID into g
select g;
语句描述:使用Group By按CategoryID划分产品。
说明:from p in db.Products 表示从表中将产品对象取出来。g...
Linq 中按照多个值进行分组(GroupBy)
/// <summary>要查询的对象</summary>
class Employee {
public int ID { get;set; }
public string FName { get; set; }
public int Age { get...
using System;
using System.Collections.Generic;
using System.Text;
using System.Linq;
namespace LinQ
{
class Program
{
static void Main(string[] args)
{
l1();
...