private void purchaseInvoiceBtn_Click(object sender, EventArgs e)
{
PurchaseInvoice u = new PurchaseInvoice();
MainClass.showWindow(u, this, MDI.ActiveForm);
}
public override void BackBtn_Click(object sender, EventArgs e)
{
PurchaseInvoice obj = new PurchaseInvoice();
MainClass.showWindow(obj, this, MDI.ActiveForm);
}
public override void backBtn_Click(object sender, EventArgs e) // In this form, when we select 'back' we need to go back to the purchaseInvoice form
{
PurchaseInvoice obj = new PurchaseInvoice();
MainClass.showWindow(obj, this, MDI.ActiveForm);
}