private void showTransactionButton_Click(object sender, EventArgs e)
{
this.Hide();
ShowTransaction showTransactionWindow = new ShowTransaction(Connection);
showTransactionWindow.ShowDialog();
this.Show();
}
private void cancelTransaction_Click(object sender, EventArgs e)
{
this.Hide();
ShowTransaction showTransaction = new ShowTransaction(Connection);
showTransaction.ShowDialog();
this.Show();
}