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Build a DataTable from an Array in Powershell. All objects should have the same properties as the first object.
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| using namespace System.Data | |
| function ConvertTo-DataTable { | |
| <# | |
| .SYNOPSIS | |
| Takes an array and converts it to a datatable, useful for sql or bulk transactions. All objects must be the same (or at least share properties with the first object) | |
| .EXAMPLE | |
| convertto-datatable @( | |
| [PSCustomObject]@{Name = 'Test'; Food = 'Burgers' }, | |
| [PSCustomObject]@{Name = 'Test2'; Food = 'Fries' }, | |
| [PSCustomObject]@{Name = 'Test3'; Food = 'Coke' }, | |
| [PSCustomObject]@{Name = 'Test4'; Food = 'Sandwich' } | |
| ) | |
| #> | |
| [CmdletBinding()] | |
| param([Object[]]$array) | |
| #Makes a new table named mytable | |
| [DataTable]$dataTable = 'MyTable' | |
| #We are assuming all items are the same. | |
| foreach ($column in $array[0].psobject.properties.name) { | |
| [void]$dataTable.Columns.Add($column) | |
| } | |
| [string[]]$columns = $dataTable.columns.columnName | |
| $i = 1 | |
| $total = $array.count | |
| foreach ($item in $array) { | |
| Write-Debug "Processing Item $i of $total" | |
| $row = $dataTable.NewRow() | |
| foreach ($property in $columns) { | |
| $row.$property = $item.$property | |
| } | |
| [void]$dataTable.Rows.Add($row) | |
| $i++ | |
| } | |
| return $dataTable | |
| } | |
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