Generate Data Tables

<# Function for generating data tables. Leave the New-Table function as it is and play with the stuff below it.
AMIABTY...
All my ideas are belong to you. #>

cls
function New-Table {
    param([string]$TableName, [hashtable]$Columns)
    Write-Host 'Table:' $TableName
    $Table = New-Object system.Data.DataTable $TableName
    foreach ($Column in $Columns.GetEnumerator()) {
        Write-Host "$($Column.Name): $($Column.Value)"
        $NewColumn = New-Object system.Data.DataColumn $($Column.Name),($($Column.Value))
        $Table.columns.add($NewColumn)
    }
    return, $Table
}

# Specify the Columns.
$GenerateTheseColumns = @{
    'SHA1' = [string];
    'DateTime' = [DateTime];
    'FileName' = [string]
}

# Create the table.
$SHA1Table = New-Table -TableName 'SHA1Table' -Columns $GenerateTheseColumns

# Create rows.
$Row1 = $SHA1Table.NewRow()
$Row2 = $SHA1Table.NewRow()

# Enter data in the rows.
$Row1.SHA1 = "A"
$Row1.FileName = "1"
$Row2.SHA1 = "B"
$Row2.FileName = "2"

# Add the rows to the table.
$SHA1Table.Rows.Add($Row1)
$SHA1Table.Rows.Add($Row2)

# Display the table.
$SHA1Table # | format-table -AutoSize

# http://stackoverflow.com/questions/9015138/powershell-looping-through-a-hash-or-using-an-array
# http://stackoverflow.com/questions/11562634/powershell-returning-data-tables-without-rows-in-functions