Azure Table Scripts reading from CSV

[Reflection.Assembly]::LoadWithPartialName("System.Web.Script.Serialization")
$resourceName = "<Resource Group Name>"
$azureStorage = "<Storage Container Name>"
$azureTable = "<Azure Storage Table>"
$Credential = Get-Credential

function UploadDataToAzureTableStorage {
    param (
        [Parameter(Mandatory = $true, HelpMessage = 'Please provide the FileName')][ValidateNotNullOrEmpty()][String]$fileName
    )
    Write-Output "Connecting to Azure Subscription"
    Connect-AzureRmAccount -Credential $Credential

    Write-Output "Connect to Storage Container"
    $storageCont = Get-AzureRmStorageAccount -ResourceGroupName $resourceName -Name $azureStorage
    $ctx = $storageCont.Context

    Write-Output "Get Office 365 Audit Log Data Table"
    $table = Get-AzureStorageTable -Name azureTable -Context $ctx
    
    $partitionKey = "<PartitionKey>"
    $date = Get-Date -Format s
    $rowKeyPrefix = "Data_" + $date.Replace(":", "")
    $JSSerializer = [System.Web.Script.Serialization.JavaScriptSerializer]::new()

    $dataJson = (Get-Content -Path $fileName) | Out-String | ConvertFrom-Json;

    for ($i = 0; $i -lt $dataJson.Count ; $i++) {
        Write-Output $("Adding Row " + $($i + 1))
        $hashtable = $JSSerializer.Deserialize(($dataJson[$i] |ConvertTo-Json), 'Hashtable')
        $rowKey = $rowKeyPrefix + $i
        $null = Add-StorageTableRow -table $table -partitionKey $partitionKey -rowKey ($rowKey) -property $hashtable
    }
    Disconnect-AzureRmAccount
}