Представьте или преобразуйте HTML в 'отформатированный' текст (.NET)

Ниже должен работать фрагмент

<?php
$dates =  [
    0 => "2019-01-17",
    1 => "2019-01-16",
    2 => "2019-01-15",
    3 => "2019-01-14",
    4 => "2019-01-13",
    5 => "2019-01-12",
    6 => "2019-01-11",
    7 => "2019-01-10"
];

$Fresh_Record =  [
    "date" => [
        0 => "2019-01-10",
        1 => "2019-01-14"
    ],
    "counter" => [
        0 => 1000.0,
        1 => 500.0
    ]
];

$arrayMap = [
    'date' => [],
    'counter' => []
];

foreach($dates as $index => $date){
    $count = 0;
    $foundIndex = array_search($date, $Fresh_Record['date']);

    if ($foundIndex !== false) {
        $count = $Fresh_Record['counter'][$foundIndex];
    }
    $arrayMap['date'][$index] = $date;
    $arrayMap['counter'][$index] = $count;
}

var_dump($arrayMap);