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> Using String.join()

This is a discussion on Using String.join(), within the ASP/.NET section. This forum and the thread "Using String.join()" are both part of the Programming Your Website category.

 
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> Using String.join()
karinne
post May 9 2008, 12:20 PM
Post #1


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I'm trying to use the String.Join() to get an array to form 1 string

CODE

Dim arrSite As String = {"Hello", "BUILDING_NAME", "BUILDING_UNIT_IDENTIFIER", "DLVRY_INSTLTN_QUALIFIER_NAME", _
"ROUTE_SERVICE_NUMBER", "POSTAL_BOX_NUMBER", "STREET_NUMBER"}

strDisplayMember = String.Join(" ", CType(arrSite, String()))


But I get a blue squigly line under arrSite saying "Array initializers are valid only for arrays, but the type of 'arrSite' is 'String'"

Ok so .. if I change that to dim arrSite As Array, I still get a squigly line and it says "Array initializers are valid only for arrays, but the type of 'arrSite' is 'System.Array'"

?!? scratch_one-s_head.gif


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karinne
post May 9 2008, 01:30 PM
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Bah... I forgot to put

Dim arrSite(10) As String tongue.gif


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Antti
post May 9 2008, 01:32 PM
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Oh my how odd VB looks after six months with C# smile.gif Anyways... I think it needs to be something like this:

CODE
Dim arrSite() As String
arrSite = new String() {"Hello", "BUILDING_NAME", "BUILDING_UNIT_IDENTIFIER", "DLVRY_INSTLTN_QUALIFIER_NAME", _
"ROUTE_SERVICE_NUMBER", "POSTAL_BOX_NUMBER", "STREET_NUMBER"}


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Antti
post May 9 2008, 01:33 PM
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Oh, you were faster than me smile.gif Good that you got it solved.


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karinne
post May 9 2008, 02:03 PM
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Is there something else that basically does the same thing?!

Thing is I have all this data in a datatable (taken from the DB) and I just want to take certain fields from there and put in a string. Sort of the opposite of Trim()?


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Antti
post May 9 2008, 02:36 PM
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If I understood you correctly, you have a database and you query it to get some stuff and then you want to assign those for string variables? If that's the case, DataReader is one possibility. Nowadays I usually just place the data in strongly typed dataset and then get what I need from there.


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karinne
post May 9 2008, 08:45 PM
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I have stuff in a db, then i query it and put it a datatable. From there, I want to be able to take certain fields in one row and concatenate it into a string. I don't have the stuff with me ... it's work stuff so I'll have to wait 'til monday biggrin.gif


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Antti
post May 10 2008, 01:40 AM
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Then the datareader or dataset approach works fine. Dataset approach is a bit more work but has its advantages in the end. You can use datareader for now.


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