Visual Basic

Private Sub CreateDataTable()
       'Creates a better way for securing data'
       Dim parent As DataTable = New DataTable("ParentTable")
       Dim column As DataColumn = New DataColumn
       column.DataType = System.Type.GetType("System.String")
       column.ColumnName = "FileName"
       column.Unique = True
       column.ReadOnly = False
       parent.Columns.Add(column)

       'Creating a second column'
       column = New DataColumn()
       column.DataType = System.Type.GetType("System.Byte")
       column.ColumnName = "Size of File"
       column.Unique = False
       column.ReadOnly = True
       parent.Columns.Add(column)

       'Creating columns for storing data positions'
       column = New DataColumn
       column.DataType = System.Type.GetType("System.String")
       column.ColumnName = "File starting Location"
       column.Unique = True
       column.ReadOnly = True
       parent.Columns.Add(column)
   End Sub

<Serializable> _
Public Structure FileRecord
    Public FileName As String
    Public PositionOffset As Long
    Public EncryptedLength As Long
    Public OriginalLength As Long
End Structure

Dim fileRecords As New List(Of FileRecord)
.
.
.
Dim newFile As FileRecord
newFile.FileName = "blahh.bla"
newFile.PositionOffset = whateverOffset
newFile.EncryptedLength = whateverByteLength
newFile.OriginalLength = whateverOriginalFileWas
fileRecords.Add( newFile )

DataGridView1.DataSource = DataSet1.Tables("TableName")