Question

How to convert a list of strings to list of int in VB.NET

Answer 1

Imports System
Imports System.Linq
Imports System.Collections.Generic

Public Class Program
	Public Shared Sub Main()
        Dim list As List(Of String) = New List(Of String) From {
            "1",
            "2",
            "3",
            "4",
            "5"
        }
		
        Dim result As List(Of Integer) = list.Select(AddressOf Integer.Parse).ToList()
		
        Console.WriteLine(String.Join(", ", result))
    End Sub
End Class



' run:
'
' 1, 2, 3, 4, 5
'

 

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Answer 2

Imports System
Imports System.Collections.Generic

Public Class Program
	Public Shared Sub Main()
        Dim list As List(Of String) = New List(Of String) From {
            "1",
            "2",
            "3",
            "4",
            "5"
        }
		
        Dim result As List(Of Integer) = list.ConvertAll(AddressOf Integer.Parse)
		
        Console.WriteLine(String.Join(", ", result))
    End Sub
End Class



' run:
'
' 1, 2, 3, 4, 5
'

 

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