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Hi !
i've creted a simple application using mydac 4.30 so
in my form i've placed a PageControl ..
in 1st TabSheet i've paced controls (TdxDBEdit ... from dev express & buttons ..)
in 2nd TabSheet i've placed only TDBGrid..
so when i run application and when i don't touch the DBGrid ,all seems to be Allright but when i navigate with the DBGrid and after closing the form I get a ACCESS Violation
the message is :
Access violation at adress 40051771 in module vcl50.bpl,Read of address 000002C0
Help me please
nb : I'm a registred user ..

Other users never reported about similar problems. Most probably this error was raised because of third-party components you use. Try to make a copy of your application and remove all the third-party components from the form and links to corresponding units. Test this application. If the error persists, please send us (mydac*crlab*com) this simple application. Also supply us following information:
- Exact version of Delphi, C++ Builder or Kylix
- Exact version of MySQL Server. You can see it in Info sheet of TMyConnection Editor

Look also at events, like OnDrawCell etc.