Добавьте файлы проекта.

2026-05-31 22:15:06 +03:00
parent c2e9cf1c08
commit 901e382a5a
22 changed files with 2074 additions and 0 deletions
@@ -0,0 +1,109 @@
+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;
+using Npgsql;
+
+namespace demo26052026
+{
+    public partial class Form2 : Form
+    {
+        int IDs { get; set; }
+        static string ConnString = "Server=localhost;Port=5432;Database=newdemo262;Username=postgres;Password=Swa2sWA13;";
+        public Form2(int ID)
+        {
+            IDs = ID;
+            InitializeComponent();
+            if (ID != 0)
+            {
+                NpgsqlConnection npgsqlConnection = new NpgsqlConnection(ConnString);
+                npgsqlConnection.Open();
+                NpgsqlCommand npgsqlCommand = new NpgsqlCommand(@$"SELECT ""Articul"", ""Naim_ID"", ""Ed_izm"", ""Cena"", ""Postav_ID"", ""Proizvod_ID"", ""Kategory_ID"", ""Skidka"", ""Kolichestvo"", ""Opisanie"", ""Photo"", ""ID_Tovar"" FROM public.""Tovar"" WHERE ""ID_Tovar"" = {ID};", npgsqlConnection);
+                DataTable dataTable = new DataTable();
+                dataTable.Load(npgsqlCommand.ExecuteReader());
+
+
+                comboBox1.SelectedIndex = int.Parse(dataTable.Rows[0].ItemArray[1].ToString()) - 1;
+                comboBox2.SelectedIndex = int.Parse(dataTable.Rows[0].ItemArray[6].ToString()) - 1;
+                textBox1.Text = dataTable.Rows[0].ItemArray[0].ToString();
+
+                textBox2.Text = dataTable.Rows[0].ItemArray[9].ToString();
+                comboBox3.SelectedIndex = int.Parse(dataTable.Rows[0].ItemArray[5].ToString()) - 1;
+                comboBox4.SelectedIndex = int.Parse(dataTable.Rows[0].ItemArray[4].ToString()) - 1;
+
+                textBox3.Text = dataTable.Rows[0].ItemArray[3].ToString();
+                comboBox5.SelectedIndex = 0;
+
+                textBox4.Text = dataTable.Rows[0].ItemArray[8].ToString();
+                textBox5.Text = dataTable.Rows[0].ItemArray[7].ToString();
+
+                if (dataTable.Rows[0].ItemArray[10].ToString() != "")
+                {
+                    pictureBox1.Image = Image.FromFile(dataTable.Rows[0].ItemArray[10].ToString());
+                    PhotoPath = dataTable.Rows[0].ItemArray[10].ToString();
+                }
+                else
+                {
+                    pictureBox1.Image = Image.FromFile("picture.png");
+                }
+
+
+                npgsqlConnection.Close();
+            }
+        }
+
+        string PhotoPath = "picture.png";
+        private void pictureBox1_Click(object sender, EventArgs e)
+        {
+            OpenFileDialog openFileDialog = new OpenFileDialog();
+            if(openFileDialog.ShowDialog() == DialogResult.OK)
+            {
+                PhotoPath = openFileDialog.FileName;
+            }
+
+        }
+
+        private void button3_Click(object sender, EventArgs e)
+        {
+            this.Hide();
+            Form1 form1 = new Form1();
+            form1.ShowDialog();
+        }
+
+        private void button1_Click(object sender, EventArgs e)
+        {
+            if (IDs == 0)
+            {
+                NpgsqlConnection npgsqlConnection = new NpgsqlConnection(ConnString);
+                npgsqlConnection.Open();
+                NpgsqlCommand npgsqlCommand = new NpgsqlCommand(@$"INSERT INTO public.""Tovar""(""Articul"", ""Naim_ID"", ""Ed_izm"", ""Cena"", ""Postav_ID"", ""Proizvod_ID"", ""Kategory_ID"", ""Skidka"", ""Kolichestvo"", ""Opisanie"", ""Photo"") VALUES ('{textBox1.Text}', {comboBox2.SelectedIndex + 1}, '{comboBox5.SelectedItem.ToString()}', {textBox3.Text}, {comboBox4.SelectedIndex + 1}, {comboBox3.SelectedIndex + 1}, {comboBox1.SelectedIndex + 1}, {textBox5.Text}, {textBox4.Text}, {textBox2.Text}, {PhotoPath});", npgsqlConnection);
+                npgsqlCommand.ExecuteNonQuery();
+                npgsqlConnection.Close();
+                MessageBox.Show("Запись успешно внесенна");
+            }
+            else
+            {
+                NpgsqlConnection npgsqlConnection = new NpgsqlConnection(ConnString);
+                npgsqlConnection.Open();
+                NpgsqlCommand npgsqlCommand = new NpgsqlCommand(@$"UPDATE public.""Tovar"" SET ""Articul""='{textBox1.Text}', ""Naim_ID""={comboBox2.SelectedIndex + 1}, ""Ed_izm""='{comboBox5.SelectedItem.ToString()}', ""Cena""= {textBox3.Text}, ""Postav_ID""={comboBox4.SelectedIndex + 1}, ""Proizvod_ID""={comboBox3.SelectedIndex + 1}, ""Kategory_ID""={comboBox1.SelectedIndex + 1}, ""Skidka""={textBox5.Text}, ""Kolichestvo""={textBox4.Text}, ""Opisanie""={textBox2.Text}, ""Photo""={PhotoPath} WHERE ""ID_Tovar""= {IDs};", npgsqlConnection);
+                npgsqlCommand.ExecuteNonQuery();
+                npgsqlConnection.Close();
+                MessageBox.Show("Запись успешно измененна");
+            }
+        }
+
+        private void button2_Click(object sender, EventArgs e)
+        {
+            NpgsqlConnection npgsqlConnection = new NpgsqlConnection(ConnString);
+            npgsqlConnection.Open();
+            NpgsqlCommand npgsqlCommand = new NpgsqlCommand(@$"DELETE FROM public.""Tovar"" WHERE ""ID_Tovar"" = {IDs};", npgsqlConnection);
+            npgsqlCommand.ExecuteNonQuery();
+            npgsqlConnection.Close();
+        }
+    }
+}