private void addStockToolStripMenuItem_Click(object sender, EventArgs e)
{
AddStock a = new AddStock(pfsession.Text, databaseConnectionStringTextBox.Text);
a.ShowDialog();
}
private void button10_Click(object sender, EventArgs e)
{
AddStock a = new AddStock(pfsession.Text, databaseConnectionStringTextBox.Text);
a.ShowDialog();
}