1. Exception handling

Problem with dbExpress is that it does not raise an exception if anything is wrong in database (for example, if you try to add primary key which already exist). So, to get an exception, best would be to use OnReconcileError in TClientDataSet......

Friday, 08 August 2008 | 516 hits | Print | PDF | Report | Read more

2. PChar vs Pointer.

If you use FillChar on a variable which is type of PChar, you will loose pointer, and FreeMem will not work.

Monday, 17 November 2008 | 262 hits | Print | PDF | Report

3. MySQL

If you added DBXDynalink to your uses list, deployed: dbxconnections.ini dbxdrivers.ini dbexpsda40.dll Tried everything what is described here. Then, try also: ConnectionName = 'MYSQLCONNECTION' DriverName = 'MySQL' GetDriverFunc =...

Thursday, 05 November 2009 | 188 hits | Print | PDF | Report | Read more