员工修改添加，部门修改添加

一：先看看解决方案资源管理器截图：

二：DepartmentDAL.cs源代码

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using HRMSys.Model;
using System.Data;
using System.Data.SqlClient;

namespace HRMSys.DAL
{
   public class DepartmentDAL
    {
       /// <summary>
       /// 将得到的表的形式转化为object对象字段的形式
       /// </summary>
       /// <param name="row"></param>
       /// <returns></returns>
       private Department ToModel(DataRow row)
       {
           Department dept = new Department();
           dept.Id = (Guid)row["Id"];
           dept.Name = (string)row["Name"];
           dept.IsDelete=(bool) row["IsDelete"];
           return dept;
       }
       /// <summary>
       /// 显示所有未删除的部门信息
       /// </summary>
       /// <returns>以部门为对象的泛型集合</returns>
       public IEnumerable<Department> ListAll()
           //public List<Department> ListAll()
       {
           List<Department> list = new List<Department>();
           DataTable dt = sqlhelper.datatable("select * from T_Department where IsDelete=0");
           foreach (DataRow row in dt.Rows)
           {
               Department dept = ToModel(row);
               list.Add(dept);
           }
           return list;
       }
       /// <summary>
       /// 得到指定id的部门
       /// </summary>
       /// <param name="id"></param>
       /// <returns>部门对象</returns>
       public Department GetById(Guid id)
       {
           DataTable dt = sqlhelper.datatable("select * from T_Department where Id=@Id",
               new SqlParameter("@Id", id));
           if (dt.Rows.Count <= 0)
           {
               return null;
           }
           else
           {
               return ToModel(dt.Rows[0]);
           }
       }
       /// <summary>
       /// 更新指定部门id的部门名字
       /// </summary>
       /// <param name="id"></param>
       /// <param name="name"></param>
       public void Update(Guid id, string name)
       {
           sqlhelper.ExecuteNon(@"Update T_Department Set Name=@Name where Id=@Id",
               new SqlParameter("@Name", name), new SqlParameter("@Id", id));
       }
       /// <summary>
       /// 插入一条部门信息
       /// </summary>
       /// <param name="name"></param>
       public void Insert(string name)
       {
           sqlhelper.ExecuteNon(@"Insert Into T_Department(Id,Name,IsDelete) values(newid(),@Name,0)",
               new SqlParameter("@Name", name));
       }
       /// <summary>
       /// 软删除指定部门id的部门
       /// </summary>
       /// <param name="id"></param>
       public void DeleteById(Guid id)
       {
           sqlhelper.ExecuteNon(@"Update T_Department Set IsDelete=1 where Id=@Id",
                new SqlParameter("@Id", id));
       }
    }
}

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