private void btnOP_Click(object sender, EventArgs e) { OutdoorPatient.OutpatientBilling frm = new GHospital_Care.OutdoorPatient.OutpatientBilling(""); frm.MdiParent = this; frm.Show(); }
private void btnCreateBill_Click(object sender, EventArgs e) { OutdoorPatient.OutpatientBilling frm = new OutpatientBilling(txtID.Text); frm.Show(); }