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  Tutorial: Visual Basic File Manipulation File Handling Tutorial

If you want to be an expert VB programmer then you'll need to know a lot about how VB handles files - what is possible and what is not, plus how to do something in the smallest code or in the least amount of time. To do this you need to understand the fil

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File Handling

The usual model for all computer programs is that a user inputs data and the computer saves it. Okay, there's a lot more than that to a computer program, but the point is that virtually every program is written to save data that is entered or data that is calculated by the software itself. If you want to be an expert VB programmer then you'll need to know a lot about how VB handles files - what is possible and what is not, plus how to do something in the smallest code or in the least amount of time. To do this you need to understand the file handling features which VB offers.

Sequential (Text) Files In VB, Microsoft has separated the file handling capabilities from the database handling features. With databases, the file manipulation is pretty much transparent to the user. However, in non-database applications the programmer has to handle virutally all aspects of reading or editing the data contained in a file.

Because of their universally standard format, simple text files (also called sequential files) are often used as the storage method for information. The old DOS Edit program and the newer windows NotePad programs both create simple text files.

To simplify the handling of text files, Microsoft is working on a new set of features that will be implemented in an ActiveX object (the FileSystemObject). Until then, file handling will continue as the manual procedure that it is today.


 

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Visual Basic File Manipulation File Handling Tutorial

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