private void SuppAddBtn_Click(object sender, EventArgs e)
{
Operation.BeginOperation(this);
FrmAddsupplier addSup = new FrmAddsupplier();
addSup.ShowDialog();
Operation.EndOperation(this);
}
private void AddBtn_Click(object sender, EventArgs e)
{
Operation.BeginOperation(this);
FrmAddsupplier frm = new FrmAddsupplier();
frm.ShowDialog();
Operation.EndOperation(this);
FrmManagementSupplier_Load(null, null);
}