public ChangeCustomerOrder(int id_order, CustomerOrders form)
{
prev_form = form;
id = id_order;
InitializeComponent();
string connectionString = @"Data Source=LAPTOP-96NT0MPR;Initial Catalog=kursach;Integrated Security=True";
using (SqlConnection connection = new SqlConnection(connectionString))
{
connection.Open();
SqlCommand command = new SqlCommand();
command.Connection = connection;
string sqlExpression = "SELECT * FROM Заказы WHERE Код_заказа = " + id;
SqlCommand commandread = new SqlCommand(sqlExpression, connection);
SqlDataReader reader = commandread.ExecuteReader();
if (reader.HasRows)
{
reader.Read();
CommentBox.Text = reader.GetString(4);
}
}
}