1.If i build my app that contains WCF service (binding data from Oracle to datagrid in html) did that app use any ports-Becouse if i build it using Visual studio Devepoler server i have to configure port- 2. did mhy Lan (where my custom will use my app) has to be opet all ports ,or http protocol? 3.how can i best find why my app is not working at my customer-it only shows that there is an error on wep page-where to find that error?
