private void sALESRECORDToolStripMenuItem_Click(object sender, EventArgs e)
{
foreach (Form form in Application.OpenForms)
{
if (form.GetType() == typeof(SALES))
{
form.Activate();
return;
}
}
SALES s = new SALES();
s.MdiParent = this;
s.Show();
}
private void button3_Click(object sender, EventArgs e)
{
SALES s = new SALES();
s.Show();
}