using System; using System.Data.OleDb; using System.Windows.Forms; namespace DataBase.Forms.AddForms { public partial class ManufacturerNameAddForm : Form { public string city; public ManufacturerNameAddForm() { InitializeComponent(); } private void button1_Click(object sender, EventArgs e) { MainForm main = this.Owner as MainForm; using (OleDbConnection connection = new OleDbConnection(main.connectionString)) { connection.Open(); if (String.IsNullOrEmpty(textBoxСity.Text)) { MessageBox.Show("Введены не все данные", "Ошибка"); return; } city = textBoxСity.Text.ToString(); string query = $"INSERT INTO [{main.activeTable}] VALUES (" + "{" + Guid.NewGuid() + "}" + ",'" + city + "')"; OleDbCommand dbCommand = new OleDbCommand(query, connection); try { dbCommand.ExecuteNonQuery(); MessageBox.Show($"Запись добавлена!", "Внимание!"); } catch (Exception ex) { MessageBox.Show($"{ex.Message}", $"Ошибка! Запись не добавлена!"); } connection.Close(); } this.Close(); } private void label1_Click(object sender, EventArgs e) { } } }