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Questions about Delphi's query

Time:02-03

Teaching material management system in the template of the query time is always prompt
Access violation at address 00405358 module in "the book. Exe". Read of address OA0D09DD
Can have a superior solution

CodePudding user response:

If is your program, you should track which is a code causing the tip

CodePudding user response:

Breakpoints, tracking down where I went wrong,

Light has a such an error code, don't see what,,,

CodePudding user response:

Access to the inaccessible (no), their debugging

CodePudding user response:

Pointer errors, see if the form didn't create the use of a variable in the body, and so on

CodePudding user response:

Have found the reason to write

CodePudding user response:

Unauthorized access

CodePudding user response:

Memory error is only convenient to find the breakpoint

CodePudding user response:

The
refer to the original poster delpan44 response:
query in the teaching material management system template always tip
Access violation at address 00405358 module in "the book. Exe". Read of address OA0D09DD
Can have superior with
man, I now in urgent need of the teaching material management system, have you had? Give me a bai help me bai, thank you very much

CodePudding user response:

What reason?

CodePudding user response:

What problem caused by?
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