private void újKönyvToolStripMenuItem_Click(object sender, EventArgs e)
{
next = true;
FrmKonyv konyvfrm = new FrmKonyv(connectionString);
konyvfrm.Show();
}
private void tabla1_RowHeaderMouseClick(object sender, DataGridViewCellMouseEventArgs e)
{
if (e.RowIndex >= 0)
{
SelectedRow = tabla1.Rows[e.RowIndex];
tb_sor = true;
FrmKonyv form2 = new FrmKonyv(connectionString);
form2.Show();
}
}