public frmPasien()
{
InitializeComponent();
instance = this;
}
private void frmPasien_FormClosing(object sender, FormClosingEventArgs e)
{
instance = null;
}
private void frmMain_Load(object sender, EventArgs e)
{
frmPasien fPasien = new frmPasien();
fPasien.MdiParent = this;
fPasien.Show();
}