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Finally found the solution as there was an error in the command string. In SQLExpress server the data source must be presented in format SERVER\SQLExpress. When this is part of the above C++ command string it must have the format "Data Source=TESTSERVER\\SQLExpress; Initial...

I have been programming an application with VC++ 2005 and SQL Server 2005. I have converted an old 16-bit database for 32-bit managed code and SQL server and the application seems to be good. Now I want to deploy the application to another server for testing. I have installed XP SP2, Windows...

Hi! I am trying to update an old data base application created earlier with VB3 and RDM45.dll. There is a data base definition routine which creates a C language header file which include the following definition struct vets_r { short vetno; char vetnimi[30]; char prof[30]...

Thank you again for your reply! The reason why I used pointers String* in the class came from some example and it was the only way to make the compiler accept those strings. Using the method you suggested: mvetnimi = new String; gives in compiling the error: C2501...

Hi! Thank you very much for your message. I allready once tried a default constructor, but I thougth it was not correct or in a wrong place. Now after I added it to the class, compiler and linker accept it, but executing the code, I get again the awkward: 'System.NullReferenceException', which I...

I am trying to upgrage an old VB3 & RDM4.5 application with fairly big database into VS.net and RMD7.1. As RDM 7.1 has been created with unmanaged C, I have instead of VB made a test program as a VC++ forms application. Now I can transfer the RDM functions with for instance...