BorlandTalk.com Borland discussion newsgroups   Archives   FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  VCL Formula Access Violation.          BorlandTalk.com Forum Index -> C++ Builder (Third Party Tools) View previous topic :: View next topic   Author Message Scott Kent-Collins Guest Posted: Sat Feb 19, 2005 10:47 am    Post subject: VCL Formula Access Violation. I am using the Crystal Reports v10 VCL component (with C++ Builder 6) to setup and generate my reports but when I try to set the formulas at run time using the code samples supplied with the Crystal Reports help I get Access Violation errors when accessing the Formula Properties. He is an example: CrpeTest->ReportName = "My Report Name"; CrpeTest->FormulaByName("MyFormulaName")->Formula->Text = "My Formula Value"; CrpeTest->Execute(); The code generates and ACCESSS VIOLATION when trying to set the formula... has anyone else seen this and know how to fix it? Thanks Scott Back to top Viatcheslav V. Vassiliev Guest Posted: Sat Feb 19, 2005 1:58 pm    Post subject: Re: VCL Formula Access Violation. If address of AV is close to NULL, check every element to be non-NULL, i.e. is one of this NULL? CrpeTest->FormulaByName("MyFormulaName") CrpeTest->FormulaByName("MyFormulaName")->Formula //------------------------------------------ Regards, Vassiliev V. V. http://www.managed-vcl.com - using .Net objects in Delphi for Win32 + ADO.Net http://www.oledbdirect.com - The fastest way to access MS SQL Server, MS Jet (Access) and Interbase (through OLEDB) "Scott Kent-Collins" <scott.kent-collins (AT) quest (DOT) com.au> ÓÏÏÂÝÉÌ/ÓÏÏÂÝÉÌÁ × ÎÏ×ÏÓÔÑÈ ÓÌÅÄÕÀÝÅÅ: news:4217195e (AT) newsgroups (DOT) borland.com... Quote: I am using the Crystal Reports v10 VCL component (with C++ Builder 6) to setup and generate my reports but when I try to set the formulas at run time using the code samples supplied with the Crystal Reports help I get Access Violation errors when accessing the Formula Properties. He is an example: CrpeTest->ReportName = "My Report Name"; CrpeTest->FormulaByName("MyFormulaName")->Formula->Text = "My Formula Value"; CrpeTest->Execute(); The code generates and ACCESSS VIOLATION when trying to set the formula... has anyone else seen this and know how to fix it? Thanks Scott Back to top Scott Kent-Collins Guest Posted: Sun Feb 20, 2005 10:54 pm    Post subject: Re: VCL Formula Access Violation. OK, some further testing shows that the DELPHI version of the code and Crystal VCL component works fine. It is only the C++ Builder 6 version that has problems. I think it is because the "UCrpe32.hpp" file that Crystal supplied is incorrect/corrupted and does match the "UCrpe32.pas" file. Is there and easy way to regenerate the HPP file based on a PAS file? Thanks Scott "Scott Kent-Collins" <scott.kent-collins (AT) quest (DOT) com.au> wrote Quote: I am using the Crystal Reports v10 VCL component (with C++ Builder 6) to setup and generate my reports but when I try to set the formulas at run time using the code samples supplied with the Crystal Reports help I get Access Violation errors when accessing the Formula Properties. He is an example: CrpeTest->ReportName = "My Report Name"; CrpeTest->FormulaByName("MyFormulaName")->Formula->Text = "My Formula Value"; CrpeTest->Execute(); The code generates and ACCESSS VIOLATION when trying to set the formula... has anyone else seen this and know how to fix it? Thanks Scott Back to top Viatcheslav V. Vassiliev Guest Posted: Mon Feb 21, 2005 2:56 pm    Post subject: Re: VCL Formula Access Violation. Create empty project, copy UCrpe32.pas into its directory and add to project, as well as files UCrpe32.pas depends on (look its uses ...). Compile project, .hpp will be auto-generated. Or just copy UCrpe32.pas to directory where UCrpe32.hpp is, backup and delete UCrpe32.hpp and add UCrpe32.pas to project. Then recompile. //------------------------------------------ Regards, Vassiliev V. V. http://www.managed-vcl.com - using .Net objects in Delphi for Win32 + ADO.Net http://www.oledbdirect.com - The fastest way to access MS SQL Server, MS Jet (Access) and Interbase (through OLEDB) "Scott Kent-Collins" <scott.kent-collins (AT) quest (DOT) com.au> ÓÏÏÂÝÉÌ/ÓÏÏÂÝÉÌÁ × ÎÏ×ÏÓÔÑÈ ÓÌÅÄÕÀÝÅÅ: news:4219150b (AT) newsgroups (DOT) borland.com... Quote: OK, some further testing shows that the DELPHI version of the code and Crystal VCL component works fine. It is only the C++ Builder 6 version that has problems. I think it is because the "UCrpe32.hpp" file that Crystal supplied is incorrect/corrupted and does match the "UCrpe32.pas" file. Is there and easy way to regenerate the HPP file based on a PAS file? Thanks Scott "Scott Kent-Collins" <scott.kent-collins (AT) quest (DOT) com.au> wrote in message news:4217195e (AT) newsgroups (DOT) borland.com... I am using the Crystal Reports v10 VCL component (with C++ Builder 6) to setup and generate my reports but when I try to set the formulas at run time using the code samples supplied with the Crystal Reports help I get Access Violation errors when accessing the Formula Properties. He is an example: CrpeTest->ReportName = "My Report Name"; CrpeTest->FormulaByName("MyFormulaName")->Formula->Text = "My Formula Value"; CrpeTest->Execute(); The code generates and ACCESSS VIOLATION when trying to set the formula... has anyone else seen this and know how to fix it? 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