The implementation of the BDC entity picker dialog (opened with the Browse button) can cause some firewall and security software to think a worm or sql injection attack is happening and block the traffic. The manner in which properties and entity IDs are encoded into long query string values makes the urls appear to be…

I ran into a BDC error, “Type does not match DotNet type of TypeDescriptor”, with a particular application definition I wrote. In this case, I had a specific finder method that took one input parameter (the identifier) that was of type System.Decimal. It turns out I didn’t specify a default value in the TypeDescriptor for…