How to join strings from a list together in one string?

Question

Issue

I have a list of strings which could be anything from 1 to 25 strings long. I want to get the values off each index and add them a string so that I can send an email listing the values in the list.

Here is the list of strings:

Dim DataSyncFiles As List(Of String) = {"COPOR1P", "FFBIVDP", "FFCHLDP", "FFDBKDP", "FFDREQP", "FFINVHP", "FFJACCP", "FFJACPP", "FFJMNEP", "FFJOBSP", "FFPIVHP", "FFUNTTP", "FJBJB1P", "FJBJM1P", "FJBJM2P", "FJBJU1P", "FJBNT2P", "FPPBE9P", "FSANO1P", "FTPCP1P", "FTTEG1P", "FTTEO1P", "FTTRQ1P", "XATXTDP", "FFADDRP", "FFLOCNP"}.ToList()

So i want to loop through these and add them to one single string (string below). The list above is not always going to be 26 strings long.

Dim files as string

How am i best to do this?

string.Join will do this for you

Steve
– Steve

2016-09-09 09:46:07 +00:00
Commented Sep 9, 2016 at 9:46 — Steve
– Steve, Commented Sep 9, 2016 at 9:46
@Steve How do I go about implementing this?

Ben Clarke
– Ben Clarke

2016-09-09 09:48:06 +00:00
Commented Sep 9, 2016 at 9:48 — Ben Clarke
– Ben Clarke, Commented Sep 9, 2016 at 9:48
Possible duplicate of Array.Join in .Net?

Wiktor Stribiżew
– Wiktor Stribiżew

2016-09-09 10:18:04 +00:00
Commented Sep 9, 2016 at 10:18 — Wiktor Stribiżew
– Wiktor Stribiżew, Commented Sep 9, 2016 at 10:18

Steve · Accepted Answer · 2016-09-09 09:51:32Z

2

It is a simple string.Join

fileList = string.Join("", DataSyncFiles)

The first parameter is the separator to use between the single elements of DataSyncFiles. If you don't need it just pass an empty string or Nothing

edited Sep 9, 2016 at 9:51

answered Sep 9, 2016 at 9:48

Steve

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1 Comment

Ben Clarke Over a year ago

Yes this works thanks. It's just a simple one line way and that's what i needed :D

Radinator · Accepted Answer · 2016-09-09 09:48:48Z

1

You can use String.Join(string, IEnumerable) to concat several strings to one big string

answered Sep 9, 2016 at 9:48

Radinator

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Comments

Jones Joseph · Accepted Answer · 2016-09-09 09:48:29Z

0

For i as integer = 0 to DataSyncFiles.Length - 1
    files &= IIf(files <> "","," & filesDataSyncFiles(i),filesDataSyncFiles(i))
End For

Isnt a simple for loop required like this?

edited Sep 9, 2016 at 9:48

answered Sep 9, 2016 at 9:45

Jones Joseph

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1 Comment

Ben Clarke Over a year ago

Yeah, i was seeing if there was a simple one line way of achieving this. If not i would have to make a loop.

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