Public ReadOnly Property Columns As DataColumnCollection

Dim instance As DataTable
Dim value As DataColumnCollection

value = instance.Columns

public DataColumnCollection Columns { get; }

public:
property DataColumnCollection^ Columns {
    DataColumnCollection^ get ();
}

/** @property */
public DataColumnCollection get_Columns ()

public function get Columns () : DataColumnCollection

Private Sub PrintValues(ByVal table As DataTable)
    Dim row As DataRow
    Dim column As DataColumn
    For Each row in table.Rows
       For Each column In table.Columns
          Console.WriteLine(row(column))
       Next
    Next
End Sub

private void PrintValues(DataTable table)
{
    foreach(DataRow row in table.Rows)
    {
        foreach(DataColumn column in table.Columns)
        {
            Console.WriteLine(row[column]);
        }
    }
}