EF删除和修改数据只能先从数据库取出,然后再进行删除 delete from Table1 where Id>5; update Table1 set Age=10; 我们需要这样操作 //删除 ).ToList(); foreach(var t in t1) { context.Table1.Remove(t); } context.SaveChange(); //更新 var t1 = context.Table1.ToList(); foreach(var t in t1) { t.Age
step 1: Apache sudo apt-get install apache2 After have apache2 installed, go to localhost by browser to verfiy the correct operation of it. you can also launch : apache2 -v to verify it. step 2: PHP sudo apt-get install php5 Verify: php5 -v lee@N55SL
Entity层 using System; using System.Collections.Generic; using System.ComponentModel.DataAnnotations; using System.Runtime.Serialization; using System.Text; namespace Entity.Core { /// <summary> /// DB表基础属性 /// </summary> public abstract class
Model表 public class Goods { public string ID { get; set; } public string CreatedBy { get; set; } public DateTime CreatedTime { get; set; } public string ModifiedBy { get; set; } public DateTime ModifiedTime { get; set; } public string GoodsName { get
EF Core 日志跟踪sql语句 官方文档链接:https://docs.microsoft.com/en-us/ef/core/miscellaneous/logging 1.新增自定义ILoggerProvider实现类 public class EFLoggerProvider : ILoggerProvider { public ILogger CreateLogger(string categoryName) => new EFLogger(categoryName); public
EF删除和修改数据只能先从数据库取出,然后再进行删除 delete from Table1 where Id>5; update Table1 set Age=10; 我们需要这样操作 //删除 var t1 = context.Table1.Where(t => t.Id > 5).ToList(); foreach(var t in t1) { context.Table1.Remove(t); } context.SaveChange(); //更新 var t1 = contex
一.SQL Server的主从复制搭建 1.1.SQL Server主从复制结构图 SQL Server的主从通过发布订阅来实现 1.2.基于SQL Server2016实现主从 新建一个主库"MyDB" 建一个表"SysUser"测试 CREATE TABLE [dbo].[SysUser]( [Id] [int] IDENTITY(1,1) NOT FOR REPLICATION NOT NULL, [UserName] [varchar](50) NOT NU
net Core 通过 Ef Core 访问.管理Mysql 本文地址:http://www.cnblogs.com/likeli/p/5910524.html 环境 dotnet Core版本:1.0.0-preview2-003131 本文分为Window环境和Mac Os X环境. 相关资源下载 Visual Studio Code:https://code.visualstudio.com DotNet Core:https://dotnet.github.io/ MySql.Data.