c#进销存

今天做了杨老师的c#进销存系统

cunchu.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using DZY;
using MySql.Data.MySqlClient;
namespace DZY
{
    public partial class cKucun : Form
    {
        public cKucun()
        {
            InitializeComponent();
        }

        getKucun KcGoods = new getKucun();
        wKucun Kc = new wKucun();
        public int intCount = 0;
        public string kcId = "";
        public string GoodId = null;
        private void frmKcGoods_Load(object sender, EventArgs e)
        {
            Kc.KcGoodsFind(dataGridView1);
        }


        public void Clear()
        {
            txtSellID.Text = "";
            txtGoodsName.Text = "";
            txtSellGoodsNum.Text = "";
            txtKcName.Text = "";
        }
        public int fillGetInfo()
        {
            int intResult = 0;
            if (intCount == 1 || intCount == 2)
            {
                if (txtSellID.Text == "")
                {
                    MessageBox.Show("商品销售编号不能为空");
                    return intResult;
                }
                if (txtGoodsName.Text == "")
                {
                    MessageBox.Show("商品名称不能为空");
                    return intResult;
                }
                if (txtSellGoodsNum.Text == "")
                {
                    MessageBox.Show("商品数量不能为空");
                    return intResult;
                }
                KcGoods.getKcID = txtSellID.Text;
                KcGoods.getKcNum = txtSellGoodsNum.Text;
                KcGoods.getKcGoodsName = txtGoodsName.Text;
                KcGoods.getKcDeptName = txtKcName.Text;

            }
            if (txtSellID.Text == "")
            {
                MessageBox.Show("商品销售编号不能为空！,请选择要删除的商品信息", "信息提示");
                return intResult;
            }
            if (txtKcName.Text == "")
            {
                MessageBox.Show("仓库名称不能为空！");
                return intResult;
            }
            intResult = 1;
            return intResult;
        }
        //保存
        private void toolSave_Click(object sender, EventArgs e)
        {
            if (fillGetInfo() == 1)
            {
                if (intCount == 1)
                {
                    if (Kc.KcGoodsAdd(KcGoods) == 1)
                    {
                        MessageBox.Show("添加成功");
                        Clear();
                        intCount = 0;
                        Kc.KcGoodsFind(dataGridView1);
                    }
                    else
                    {

                        MessageBox.Show("添加成功");
                        Clear();

                        intCount = 0;
                    }

                }
                if (intCount == 2)
                {
                    if (Kc.KcGoodsUpdate(KcGoods) == 1)
                    {
                        MessageBox.Show("修改成功");
                        Clear();
                        intCount = 0;
                        Kc.KcGoodsFind(dataGridView1);
                    }
                    else
                    {

                        MessageBox.Show("修改成功");
                        Clear();

                        intCount = 0;
                    }
                }
                if (intCount == 3)
                {
                    if (Kc.KcGoodsDelete(KcGoods) == 1)
                    {
                        MessageBox.Show("删除成功");
                        Clear();
                        intCount = 0;
                        Kc.KcGoodsFind(dataGridView1);

                    }
                    else
                    {
                        MessageBox.Show("删除成功");
                        Clear();

                        intCount = 0;
                    }
                }
            }//
        }
        private void toolCancel_Click(object sender, EventArgs e)
        {
            Clear();

            intCount = 0;
        }
        private void toolAdd_Click(object sender, EventArgs e)
        {
            Clear();

            intCount = 1;
            txtSellID.Text = Kc.getKcID();
        }
        private void toolAmend_Click(object sender, EventArgs e)
        {
            Clear();

            intCount = 2;
        }
        private void toolExit_Click(object sender, EventArgs e)
        {
            this.Close();
        }

        private void txtKcGoodsNum_KeyPress(object sender, KeyPressEventArgs e)
        {
            if (e.KeyChar != 8 && !char.IsDigit(e.KeyChar))
            {
                MessageBox.Show("输入数字");
                e.Handled = true;
            }
        }
        private void dataGridView1_CellClick(object sender, DataGridViewCellEventArgs e)
        {
            if (intCount == 2 || intCount == 3)
            {
                FillControls();
            }
        }
        private void FillControls()
        {
            try
            {
                MySqlDataReader sqldr = Kc.KcGoodsFind(this.dataGridView1[0, this.dataGridView1.CurrentCell.RowIndex].Value.ToString());
                sqldr.Read();
                if (sqldr.HasRows)
                {

                    txtSellID.Text = sqldr[0].ToString();
                    txtSellGoodsNum.Text = sqldr[3].ToString();
                    txtGoodsName.Text = sqldr[2].ToString();
                    txtKcName.Text = sqldr[1].ToString();

                }
                sqldr.Close();
            }
            catch (Exception ee)
            {
                MessageBox.Show(ee.ToString());
            }
        }


        private void toolDelete_Click(object sender, EventArgs e)
        {

            intCount = 3;
        }

        private void txtKcName_TextChanged(object sender, EventArgs e)
        {

        }
    }
}

chaxun .cs

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

namespace DZY
{
    public partial class cMaicha : Form
    {
        public cMaicha()
        {
            InitializeComponent();
        }

        wMaihuo Sellh = new wMaihuo();
        getMaihuo SellGoods = new getMaihuo();
        private void button1_Click(object sender, EventArgs e)
        {

            if (comboBox1.Text == "")
            {
                MessageBox.Show("请选择查询条件！");
                return;
            }
            if (textBox1.Text == "")
            {
                MessageBox.Show("请输入查询信息");
                return;
            }
            switch (comboBox1.Text)
            {
                case "商品名称":
                    SellGoods.getGoodsName = textBox1.Text;
                    Sellh.SellGoodsFind(dataGridView1, 1, SellGoods);
                    break;
                case "销售人员":
                    SellGoods.getEmpId = textBox1.Text;
                    Sellh.SellGoodsFind(dataGridView1, 2, SellGoods);
                    break;
            }
        }

        private void cMaicha_Load(object sender, EventArgs e)
        {

        }

        private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
        {

        }
    }
}