Private/ConvertFrom-DataRow.ps1
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<#
.SYNOPSIS Convert a DataRow object to a hashtable or pscustomobject. .DESCRIPTION Convert a DataRow object to a hashtable or pscustomobject. Attempt to efficiently convert by reading the table column names from the first object and re-use for each subsequent object. .PARAMETER InputObject The DataRow(s) to convert .PARAMETER AsObject Return PSCustomObject instead of OrderedDictionary .NOTES Works well with SimplySql module. #> function ConvertFrom-DataRow { [CmdletBinding( DefaultParameterSetName = 'AsHashtable' )] [OutputType( [System.Collections.Specialized.OrderedDictionary], ParameterSetName = 'AsHashtable' )] [OutputType( [pscustomobject], ParameterSetName = 'AsObject' )] param( [Parameter( Mandatory, Position = 0, ValueFromPipeline = $true )] #[DataRow[]] [System.Object] $InputObject, [Parameter( Mandatory, ParameterSetName = 'AsObject' )] [switch] $AsObject, $DbNullValue = $null ) begin { [System.Collections.Generic.List[string]]$Columns = @() } process { foreach ( $DataRow in $InputObject ) { if ( $Columns.Count -eq 0 ) { Write-Verbose 'Getting columns from first row.' $Columns.AddRange( [string[]]$DataRow.Table.Columns.ColumnName ) } $ReturnObject = [ordered]@{} $Columns | ForEach-Object { if ( $DataRow.$_ -is [System.DBNull] ) { $ReturnObject[$_] = $DbNullValue } else { $ReturnObject[$_] = $DataRow.$_ } } if ( $AsObject ) { Write-Output ( [pscustomobject]$ReturnObject ) } else { Write-Output ( $ReturnObject ) } } } } |