using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;namespace 体检套餐系统{    public class HC    {        //体检项目类        public HC()        {        }        //代参构造方法用于初始化成员变量        public HC(string name, string desc, int price)        {            this.Name = name;            this.Price = price;            this.Desc = desc;        }        public string Name { get; set; }        public string Desc { get; set; }        public int Price { get; set; }    }}

using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Threading.Tasks;using System.Windows.Forms;namespace 体检套餐系统{    public partial class Form1 : Form    {        public Form1()        {            InitializeComponent();        }        //声明一个HC类型的集合,保存初始化后的体检项目        List<HC> hc1 = new List<HC>()        {           new HC("身高","用于检查身高",12),           new HC("体重","用于检查体重",10),           new HC("肝功能","用于检查肝功能",50),           new HC("B超","用于检查身体内部",120),           new HC("心电图","用于检查心电图",150),           new HC("听力","用于检查听力",20),        };        //声明一个双列集合,用于保存体检套餐,套餐名为key,体检项目为value;        Dictionary<string, List<HC>> hc2 = new Dictionary<string, List<HC>>();        private void Form1_Load(object sender, EventArgs e)        {            //把体检项目的名称绑定在下拉列表cbo2中            foreach (HC item in hc1)            {                cbo2.Items.Add(item.Name);            }        }        //将体检套餐的名称绑定在下拉列表cbo1中        private void info()        {            cbo1.Items.Clear();            foreach (string item in hc2.Keys)            {                cbo1.Items.Add(item);            }        }        //新建体检套餐的方法        private void 新建_Click(object sender, EventArgs e)        {            int error = 0;            foreach (string item in hc2.Keys)            {                if (item == txt1.Text)                {  error = 1;                                  }            }            if(txt1.Text!=""&&error!=1)            {                hc2.Add(txt1.Text, new List<HC>());                info();                MessageBox.Show("添加成功", "提示", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);            }            else if (error == 1)            {                MessageBox.Show("已经有该套餐了不能再次添加", "提示", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);            }            else            {                MessageBox.Show("套餐名不能为空", "提示", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);                        }        }        //向选中的体检套餐添加体检项目的方法        private void button2_Click(object sender, EventArgs e)        {            int error = 0;            foreach (string item in hc2.Keys)            {                if (item == cbo1.Text)                {                    for (int i = 0; i < hc2[item].Count; i++)                    {                        if (hc2[item][i].Name == cbo2.Text)                        {                            error = 1;                        }                    }                }            }            HC h = new HC();            if (cbo1.Text != "" && cbo2.Text !=""&&error==0)            {                foreach (HC item in hc1)                {                    if (item.Name == cbo2.Text)                    {                        h = item;                    }                }                foreach (string item in hc2.Keys)                {                    if (item == cbo1.Text)                    {                        hc2[item].Add(h);                                            }                }            }            else if (error == 1)            {                MessageBox.Show("不能有重复的体检项目", "提示", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);            }            else            {                MessageBox.Show("请补全体检套餐信息", "提示", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);            }            info1();        }              private void cbo1_SelectionChangeCommitted(object sender, EventArgs e)        {            info1();        }        //动态更新体检套餐的方法        private void info1()        {            int money = 0;            foreach (string item in hc2.Keys)            {                if (cbo1.SelectedItem.ToString() == item)                {                    for (int i = 0; i <hc2[item].Count; i++)                    {                        money += hc2[item][i].Price;                    }                    dataGridView1.DataSource = new BindingList<HC>(hc2[item]);                    lb1.Text = cbo1.SelectedItem.ToString();                    lb2.Text = money.ToString();                }            }                  }        //删除的方法        private void button3_Click(object sender, EventArgs e)        {                          foreach (string item in hc2.Keys)                {                    if (item == cbo1.SelectedItem.ToString())                    {                        if (dataGridView1.SelectedRows.Count >= 0)                        {                            for (int i = 0; i < hc2[item].Count; i++)                            {                                if (hc2[item][i].Name == dataGridView1.SelectedRows[0].Cells[0].Value.ToString())                                {                                    DialogResult dr = MessageBox.Show("是否删除", "提示", MessageBoxButtons.YesNo, MessageBoxIcon.Asterisk);                                    if (dr == DialogResult.Yes)                                    {                                        hc2[item].RemoveAt(i);                                        info1();                                        MessageBox.Show("删除成功", "提示", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);                                    }                                }                            }                        }                    }                               }        }        private void txt1_TextChanged(object sender, EventArgs e)        {        }        private void dataGridView1_CellContentClick(object sender, DataGridViewCellEventArgs e)        {        }    }}