Question

How to concatenate list items into a string in VB.NET

Answer 1

Imports System
Imports System.Text
Imports System.Collections.Generic

Public Class Program
	Public Shared Sub Main()
		Dim list = New List(Of String)() From {
            "C#",
            "VB",
            "C",
            "C++",
            "Java"
        }

        Dim sb As StringBuilder = New StringBuilder()

		For Each value In list
            sb.Append(value)
        Next

        Console.WriteLine(sb)
    End Sub
End Class



' run:
'
' C#VBCC++Java
'

 

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Answer 2

Imports System
Imports System.Collections.Generic

Public Class Program
	Public Shared Sub Main()
		Dim list = New List(Of String)() From {
            "C#",
            "VB",
            "C",
            "C++",
            "Java"
        }
		
		Dim str As String = String.Join(",", list)

		Console.WriteLine(str)
    End Sub
End Class



' run:
'
' C#,VB,C,C++,Java
'

 

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