深入.net和C#编程第三章上机练习1

最新推荐文章于 2025-06-19 14:58:12 发布

原创最新推荐文章于 2025-06-19 14:58:12 发布 · 5.4k 阅读

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CC 4.0 BY-SA版权

本博客介绍了一个使用 C# 编写的泛型示例程序，包括性别枚举定义、员工类实现及属性设置，并展示了如何通过窗体进行数据的录入与维护。

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace GenericDemo
{
    /// <summary>
    /// 性别枚举
    /// </summary>
    public enum Gender
    {
        男,
        女

}
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace GenericDemo
{

    /// <summary>
    /// 员工类
    /// </summary>
    public class SE
    {
        public string ID { get; set; }
        /// <summary>
        /// 年龄
        /// </summary>
        public int Age { get; set; }

        /// <summary>
        /// 姓名
        /// </summary>
        public string Name { get; set; }

        /// <summary>
        /// 性别
        /// </summary>
        public Gender Gender { get; set; }

/// <summary>
/// 人气值

/// </summary>
private int _popularity = 0;

        public int Popularity
        {
            get { return _popularity; }
            set { _popularity = value; }
        }

        public string SayHi()
        {
            string message = string.Format("大家好，我是 {0}, 今年 {1}岁，我的人气值高达 {3}!",this.Name,this.Age,this.Popularity);
            return message;
        }
    }
}

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
/*
* 打卡记录窗体
* **/
namespace GenericDemo
{
    public partial class frmCardRecord : Form
    {

        public frmCardRecord()
        {
            InitializeComponent();

        }

        //窗体加载
        private void frmCardRecord_Load(object sender, EventArgs e)
        {

}
}
}

* **/
namespace GenericDemo
{
    public partial class frmMaintance : Form
    {
        /// <summary>
        /// 维护类型 1表示新增,0表示修改
        /// </summary>
        public int MaintanceType { get; set; }

//主窗体引用

public frmMain FrmParent { get; set; }

        public frmMaintance()
        {
            InitializeComponent();
            this.cmbSex.SelectedIndex = 0;
        }

        //保存记录
        private void btnSave_Click(object sender, EventArgs e)
        {
            try
            {
                #region 输入处理
                SE pr = new SE();
                pr.ID = this.txtWorkNO.Text.Trim();
                pr.Age = Int32.Parse(this.txtAge.Text.Trim());
                if (this.cmbSex.SelectedItem.ToString() == "男")
                {
                    pr.Gender = Gender.男;
                }
                else
                {
                    pr.Gender = Gender.女;
                }
                pr.Name = this.txtName.Text.Trim();
                #endregion
                if (this.MaintanceType == 1)//添加
                {
                    #region 添加操作
                    foreach (SE item in FrmParent.programmerList)
                    {
                        if (item.ID == pr.ID)
                        {
                            MessageBox.Show("此工号已经存在！");
                            return;
                        }
                    }
                    FrmParent.programmerList.Add(pr);
                    #endregion
                }
                else
                {
                    #region 修改操作

                    #endregion
                }
                this.Close();
            }
            catch (Exception ex)
            {
                MessageBox.Show("出错:" + ex.Message);
            }
            finally
            {
                this.FrmParent.BindGrid(FrmParent.programmerList);//刷新父窗体的信息。

            }
        }
    }
}

using System;
using System.Collections;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace GenericDemo
{
    public partial class frmMain : Form
    {
        /// <summary>
        /// 列表，用于保存员工（程序员）对象
        /// </summary>
        public List<SE> programmerList = new List<SE>();

        public frmMain()
        {
            InitializeComponent();
            this.dgvProgrammer.AutoGenerateColumns = false;
        }

        /// <summary>
        /// 绑定List中的数据到DataGridView
        /// </summary>
        public void BindGrid(List<SE> list)
        {
            this.dgvProgrammer.DataSource = new BindingList<SE>(list);
        }


        /// <summary>
        /// 添加按钮的响应操作

        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void tsbtnAdd_Click(object sender, EventArgs e)
        {
            frmMaintance frm = new frmMaintance();
            frm.MaintanceType = 1;
            frm.FrmParent = this;
            frm.ShowDialog();
        }
    }
}