private void btnupdate_Click(object sender, EventArgs e)
{
addsuplier = new Addsupplier(new List <object>()
{
});
addsuplier.Text = "Update";
mdi.main(encapulation.Parent1, addsuplier, addsuplier.Text);
}
private void btnadd_Click(object sender, EventArgs e)
{
addsuplier = new Addsupplier();
addsuplier.Text = "Add";
mdi.main(encapulation.Parent1, addsuplier, addsuplier.Text);
}