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CSV conversion for .NET

Posted on 2010-09-17
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Last Modified: 2012-05-10
I am looking for code or a component that will handle most of the different types of CSV files, like imbedded commas in a field.

Here are some of the conversions I have tried that did NOT work:

- .NET String.Split - will not handle imbedded commas
- OLEDB - sometimes thinks strings with numbers are numeric and removes leading zeros
- Lumneworks from CodeProject - exceptions too often and errors are difficult to understand
- FileHelpers - too much code to make it work

Thanks for any ideas
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Question by:Tom Sage
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LVL 17

Expert Comment

by:nepaluz
ID: 33706045
seems straight foward, however I have to take your search for a solution as indication it may not be that simple....

Could you post a sample of the file you are trying to read? To my understanding, setting a streamreader's property to "has fields enclosedin quotes" should cover your scenario. Fields with commas in a CSV file are "usually" enclosed in double quotes.

So please, provise a sample ofthe file to take it foward?
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Author Comment

by:Tom Sage
ID: 33706059
Thanks for your reply.

The typical CSV has all the field quoted:  "Some Text","123456",...

Some CSV do not have quoted numbers:   "Some text",123456,...

Some CSV have imbedded commas:   "Some text","123,456",...

The first example is easy, but I get files from many different sources, so I never know what is next.  That is why I am looking for some robust code, or component.

Thanks
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Accepted Solution

by:
Mike Tomlinson earned 2000 total points
ID: 33706060
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Author Comment

by:Tom Sage
ID: 33706068
I think I  have tried TextFieldParser, and it would not handle the case where text is quoted, but numerics are not quoted.

I will try a quick test to see.

Thanks
0
 

Author Closing Comment

by:Tom Sage
ID: 33706106
TextFieldParser seems to work well on some test files.  I will have to do more testing to be sure.  In the meantime, I will assign the points and thank you for your prompt response.

Thanks !
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