using System; using System.Collections.Generic; using System.Data.Common; using System.Data.OleDb; using System.Windows.Forms; using static System.Windows.Forms.VisualStyles.VisualStyleElement; namespace DataBase.Forms.AddForms { public partial class OrderAddForm : Form { public DateTime dateSupply; public DateTime datePreparation; public Guid supplier; private List codesSupplier = new List(); public OrderAddForm() { InitializeComponent(); } private void SupplierCountryAddForm_Load(object sender, EventArgs e) { MainForm main = this.Owner as MainForm; using (OleDbConnection connection = new OleDbConnection(main.connectionString)) { try { connection.Open(); List tables = new List { "Поставщики" }; OleDbCommand dbCommand = new OleDbCommand( $"SELECT" + $"[Поставщики].[Код поставщика]," + $"[Название поставщиков].[Название поставщика]" + $"FROM " + $"[Поставщики]," + $"[Название поставщиков]" + $"WHERE" + $"[Поставщики].[Код поставщика] = [Название поставщиков].[Код поставщика]", connection); OleDbDataReader dbReader = dbCommand.ExecuteReader(); while (dbReader.Read()) { comboBoxSupplier.Items.Add($"{dbReader[1]}"); codesSupplier.Add(Guid.Parse($"{dbReader[0]}")); } } catch (Exception ex) { MessageBox.Show($"Сообщение: {ex.Message}", "Ошибка!"); } finally { connection.Close(); } } foreach (Control ctrl in this.Controls) { if (ctrl is System.Windows.Forms.ComboBox comboBox) { comboBox.DropDownWidth = main.DropDownWidth(comboBox); } } } private void buttonAddNameFabricator_Click(object sender, EventArgs e) { MainForm main = this.Owner as MainForm; using (OleDbConnection connection = new OleDbConnection(main.connectionString)) { connection.Open(); var a = comboBoxSupplier.SelectedIndex; if (comboBoxSupplier.SelectedIndex == -1 || maskedTextBoxSupply.Text == "" || maskedTextBoxPreparation.Text == "" ) { MessageBox.Show("Введены не все данные", "Ошибка"); return; } dateSupply = Convert.ToDateTime(maskedTextBoxSupply.Text.ToString()); datePreparation = Convert.ToDateTime(maskedTextBoxPreparation.Text.ToString()); supplier = codesSupplier[comboBoxSupplier.SelectedIndex]; string query = $"INSERT INTO [{main.activeTable}]" + $" VALUES (" + "{" + Guid.NewGuid() + "}," + "'" + datePreparation + "'," + "'" + dateSupply + "'," + "{" + supplier + "}" + ")"; OleDbCommand dbCommand = new OleDbCommand(query, connection); try { dbCommand.ExecuteNonQuery(); MessageBox.Show($"Запись добавлена!", "Внимание!"); } catch (Exception ex) { MessageBox.Show($"{ex.Message}", $"Ошибка! Запись не добавлена!"); } connection.Close(); } this.Close(); } } }