六、出库管理功能的实现

一、数据库的建立

这里仍使用yy_textile表
在fiber_yy数据库下创建yy_textile表


初始数据库信息

二、页面的完善

登录注册页面我就不演示了，前几篇博文也都有介绍

shipment出库管理页面

main_page页面进行功能完善

三、代码实现

shipment出库管理页面

using System;
using System.IO;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Data.OleDb;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Data.Sql;
using System.Data.SqlClient;

namespace fiber_yy
{
    
    public partial class shipment : Form
    {
    
        private DataSet dsall;
        public string constr = "server=CY-20190824RMES;Initial Catalog=fiber_yy;User ID=sa;pwd=beyond";
        private SqlDataAdapter mDataAdapter;

        public shipment()
        {
    
            InitializeComponent();
            try
            {
    

                SqlConnection conn = new SqlConnection(constr);
                conn = new SqlConnection(constr);
                mDataAdapter = new SqlDataAdapter("SELECT name AS '纺织品名称',number AS '纺织品品号',warp_density AS '经密度' ,weft_density AS '纬密度',warp_linear_density AS '经纱线密度',weft_linear_density AS '纬纱线密度',material AS '原料成分',square_meter_weight AS '平方米重量',width_of_cloth AS '幅宽',horse_length AS '匹长',organization AS '所用组织',stock AS '库存量' FROM yy_textile", conn);
                dsall = new DataSet();
                mDataAdapter.Fill(dsall, "hard");
                dataGridView1.DataSource = dsall.Tables["hard"];

            }
            catch
            {
    
                MessageBox.Show("读取失败，请检查是否存在该织物");
            }
        }

        private void button1_Click(object sender, EventArgs e)
        {
    
            try
            {
    
                SqlConnection conn = new SqlConnection(constr);
                conn = new SqlConnection(constr);
                mDataAdapter = new SqlDataAdapter("SELECT name AS '纺织品名称',number AS '纺织品品号',warp_density AS '经密度' ,weft_density AS '纬密度',warp_linear_density AS '经纱线密度',weft_linear_density AS '纬纱线密度',material AS '原料成分',square_meter_weight AS '平方米重量',width_of_cloth AS '幅宽',horse_length AS '匹长',organization AS '所用组织',stock AS '库存量' FROM yy_textile", conn);
                dsall = new DataSet();
                mDataAdapter.Fill(dsall, "hard");
                dataGridView1.DataSource = dsall.Tables["hard"];
            }
            catch
            {
    
                MessageBox.Show("读取失败");
            }
        }

        private void button2_Click(object sender, EventArgs e)//查看织物信息
        {
    
            try
            {
    
                string number = textBox1.Text;
                byte[] MyData = new byte[0];
                string sql = "SELECT stock FROM yy_textile WHERE number='" + number + "'";

                SqlConnection conn = new SqlConnection(constr);
                SqlCommand cmd = new SqlCommand(sql, conn);
                conn.Open();
                string account = cmd.ExecuteScalar().ToString();
                int a = int.Parse(account);
                //MessageBox.Show(a.ToString());
                if (a > 100)
                {
    
                    SqlConnection conn1 = new SqlConnection(constr);
                    conn1.Open();
                    SqlCommand cmd1 = new SqlCommand();
                    cmd1.Connection = conn1;
                    cmd1.CommandText = "select * from yy_textile where number='" + number + "'";

                    SqlDataReader sdr = cmd1.ExecuteReader();
                    sdr.Read();
                    object o = sdr["picture"];
                    MyData = (byte[])sdr["picture"];//读取第一个图片的位流
                    MemoryStream memoryStream = null;
                    memoryStream = new MemoryStream(MyData);
                    pictureBox1.Image = Image.FromStream(memoryStream);//将图片赋给pictureBox1控件
                    MessageBox.Show("读取成功");

                }
                else 
                {
    
                    MessageBox.Show("库存不足100请及时补充！！！");
                }

            }
            catch
            {
    
                MessageBox.Show("读取失败 over");
            }

            
        }
        private void button3_Click(object sender, EventArgs e)
        {
    
            try
            {
    
                string sql1;
                string number = this.textBox1.Text;
                int count = int.Parse(textBox2.Text);

                SqlConnection conn = new SqlConnection(constr);
                conn = new SqlConnection(constr);
                string sql = "SELECT number FROM yy_textile WHERE number='" + number + "'";
                SqlCommand cmd = new SqlCommand(sql, conn);
                conn.Open();
                string amount = cmd.ExecuteScalar().ToString();
                int a = int.Parse(amount);
                

                sql1 = "update yy_textile set stock = stock - '" + count + "' where number='" + number + "'";
                mDataAdapter = new SqlDataAdapter(sql1, conn);
                dsall = new DataSet();
                mDataAdapter.Fill(dsall, "hard");
                dataGridView1.DataSource = dsall.Tables["hard"];
                MessageBox.Show("出库成功！！！");
                

            }
            catch (Exception ex) {
     MessageBox.Show(ex.Message); }
            finally
            {
     }
        }

        private void button4_Click(object sender, EventArgs e)
        {
    
            this.Hide();
            new main_page().Show();
        }

        
    }
}

main_page页面

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 fiber_yy
{
    
    public partial class main_page : Form
    {
    
        public main_page()
        {
    
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
    
            MessageBox.Show("退出成功");
            this.Close();
            new Form1().Show();
        }

        private void button2_Click(object sender, EventArgs e)
        {
    
            this.Close();
            new warehousing().Show();
        }

        private void button3_Click(object sender, EventArgs e)
        {
    
            this.Close();
            new shipment().Show();
        }

        private void button4_Click(object sender, EventArgs e)
        {
    
            this.Close();
            new query().Show();
        }
    }
}

四、效果演示

程序运行

注册我就不演示了，请参考前几篇博文
从yy_user表中找个账号密码，直接用户登录


登录成功

进入系统

演示出库管理功能

查看织物信息

出库20


检索一下

当库存低于100的时候会提醒，且这时候就不能再出库了，需要补充织物