private void btnAdd_Click(object sender, EventArgs e)
{
try
{
itemBLL = new ItemBLL();
string iditem = txtIditem.Text;
iditem = iditem.ToUpper().ToString();
if (!itemBLL.verifyitem(iditem))
{
MessageBox.Show(this, "Wrong item ID", "ERROR!");
txtIditem.Focus();
txtIditem.SelectAll();
}
else
{
if (!receiptBLL.verifyreceiptdetail(iditem))
{
MessageBox.Show(this, "This item is already exists!", "ERROR!");
txtIditem.Focus();
txtIditem.SelectAll();
}
else
{
lbMaxquantity.Text = "/ " + itemBLL.getmaxquantity().ToString();
txtQuantity.Maximum = itemBLL.getmaxquantity();
enablequantity();
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "ERROR");
}
}