自定义首页添加对话服务
定义接口与实现
添加自定义添加对话框接口
添加文件:Mytodo.Dialog.IDialogHostAware.cs
using Prism.Commands;
using Prism.Services.Dialogs;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Tex…
#1.查询和Zlotkey相同部门的员工姓名和工资 SELECT last_name,salary FROM employees WHERE department_id IN ( SELECT department_id FROM employees WHERE last_name Zlotkey ); #2.查询工资比公司平均工资高的员工的员工号࿰…