News

JSON Types for Server Methods in DataSnap 2010

Author: Adrian Z1428 converter_1946 I am very happy I was granted permission to talk about the new features present in Delphi 2010 concerning database area. DataSnap 2010 (DS2010) extended the list of server method parameter types with the full suite of JSON types. It is now possible to pass a TJSONObject instance for example from a client process to a server as input or output parameter and…
Read more
C++

Unknown Internal Operating System Error

Author: quinn Question and Answer Database FAQ3749B.txt Unknown Internal Operating System Error Category :BDE Platform :Win95/NT Product : BC++5.x C++Builder1.0 C++Builder3.x Delphi2.x Delphi3.x Delphi4.x Question: Why am I getting an Unknown Internal Operating System Error when opening a Paradox or dBASE Table? Answer: This error can occur when attempting to open a…
Read more
C++

BDE and Database Desktop Locking Protocol

Author: Embarcadero USA Technical Information Database TI1437D.txt - BDE and Database Desktop Locking Protocol Category :Database Programming Platform :All Windows Product : Description: Intended Audience This information will be of benefit to anyone…
C++

Sharing Violation Error with Paradox Tables.

Author: quinn Technical Information Database TI265B.txt Sharing Violation Error with Paradox Tables Category :General Programming Platform :All Product :BDE All Description: This error is most commonly caused by a "Lock File Contention". A lock file contention occurs in this situation: One user, User "A", is accessing one or more Paradox tables in a directory. "A" is closing…
Read more
C++

dBASE .DBF File Structure

Author: Embarcadero USA Technical Information Database TI838D.txt dBASE .DBF File Structure Category :Database Programming Platform :All Product :Delphi All Description: Sometimes it is necessary to delve into a dBASE table outside the control of the Borland…
C++

Understanding the PARADOX.NET file with the BDE

Author: Embarcadero USA Technical Information Database TI212B.txt Understanding the PARADOX.NET file with the BDE Category :General Programming Platform :All Product :BDE All Description: When using Paradox type table with the Borland Database Engine (BDE), a Paradox net file is used in the same way that Paradox does--to keep track of the number of users. Each Paradox and…
Read more