private void OK_Click(object sender, EventArgs e)
{
if (PIB.Text.Length == 0 || Passport.Text.Length == 0 || Summ.Text.Length == 0)
{
MessageBox.Show("Всі поля мають бути заповнені!");
}
else
{
string pib = PIB.Text;
int passport = int.Parse(Passport.Text);
string operation = Operation.SelectedItem.ToString();
string valuta = Currency.SelectedItem.ToString();
float summ = float.Parse(Summ.Text);
DB db = new DB();
DataTable table = new DataTable();
DataTable table2 = new DataTable();
MySqlDataAdapter adapter = new MySqlDataAdapter();
MySqlCommand query = new MySqlCommand("INSERT INTO `clients`(`id`, `PIB`, `passport`, `operation`, `valuta`, `summ`) VALUES ('','" + pib + "','" + passport + "','" + operation + "','" + valuta + "','" + summ + "')", db.GetConnection());
MySqlCommand query2 = new MySqlCommand("SELECT `Buy`,`Sell` FROM `exchangerate` WHERE `title` = '" + valuta + "'", db.GetConnection());
adapter.SelectCommand = query;
adapter.Fill(table);
adapter.SelectCommand = query2;
adapter.Fill(table2);
SummUAH.Visible = true;
label3.Visible = true;
float[,] values = new float[table2.Rows.Count, table2.Columns.Count];
for (int i = 0; i < table2.Rows.Count; i++)
{
DataRow row = table2.Rows[i];
for (int j = 0; j < table2.Columns.Count; j++)
{
values[i, j] = (float)row[j];
}
}
float result = values[0, 0] * summ;
SummUAH.Text = result.ToString();
PIB.Clear();
Passport.Clear();
Summ.Clear();
Operation.SelectedItem = "Купівля";
Currency.SelectedItem = 0;
}
}