private void button2_Click(object sender, EventArgs e)
{
OfficeMas officeMas = new OfficeMas("");
officeMas.MdiParent = this.MdiParent;
officeMas.Dock = DockStyle.Fill;
officeMas.StartPosition = FormStartPosition.CenterParent;
officeMas.Show();
}
private void button1_Click(object sender, EventArgs e)
{
OfficeMas frmpayment = new OfficeMas("");
//String s=frmpayment.Text;
//if (!CheckForm(frmpayment))
{
frmpayment.MdiParent = this;
frmpayment.Dock = DockStyle.Fill;
frmpayment.Show();
}
}