Program.cs using System; using System.Collections.Generic; using System.Linq; using System.Threading.Tasks; using System.Windows.Forms; namespace ModelFactory { static class Program { /// <summary> /// 应用程序的主入口点. /// </summary> [STAThread] sta
From the Tutorial and other documentation sources, you learned how to create business classes for your XAF applications. If you have business classes in your application, you have database tables in the application's database. However, the reality is
笔记: EF出现列名 'Discriminator' 无效: 类没有加入数据库上下文也被数据迁移生成表: 出现该问题一般是使用了某个基类继承了实体类: 原因是code first的POCO实体对象的继承问题,EF会把项目中在DbContext中引用的所有的Model类及这些Model类对应的子类都生成对应映射视图.如果数据库没有对应表或字段就会报错. 解决办法:只需要在类前面加上[NotMapped],表示应从数据库映射中排除属性或类. [NotMapped] public class Comm