$db_id="AW14E"
$conn="localhost" # "127.0.0.1:2383\MyTestSSAS" #"."
$DSV_ID=0 #"Adventure Works DW"

[System.Reflection.Assembly]::LoadWithPartialName("Microsoft.AnalysisServices")>$Null;cls
$SSAS_Instance="Data Source=$conn;Locale Identifier=1033;Initial Catalog=$db_id" #"127.0.0.1\MyTestSSAS"
$svr=new-object Microsoft.AnalysisServices.Server;$dummy=@();$svr.Connect($SSAS_Instance);
foreach($obj in $svr.Databases[$db_id].DataSourceViews[$DSV_ID].Schema.Tables){
if($obj.ExtendedProperties["IsLogical"] -eq $True){$dummy += @{Type="NamedQ";Schema="N/A";TabID=$obj.ExtendedProperties["DbTableName"];TabName=$obj.ExtendedProperties["FriendlyName"]}}
else{$dummy += @{Type=$obj.ExtendedProperties["TableType"];Schema=$obj.ExtendedProperties["DbSchemaName"];TabID=$obj.ExtendedProperties["DbTableName"];TabName=$obj.ExtendedProperties["FriendlyName"]}
}};$dummy |ForEach-Object{New-Object psobject -Property $_} |Select-Object Type,Schema,TabID,TabNAme |Sort-Object Type,Schema,TabID |Format-Table
$svr.disconnect();$svr.dispose();Get-Variable |Remove-Variable -EA 0

[System.Reflection.Assembly]::LoadWithPartialName("Microsoft.AnalysisServices")>$Null
cls;$svr=new-object Microsoft.AnalysisServices.Server;$svr.Connect(".")
foreach($db in $svr.Databases){foreach($dsv in $db.DataSourceViews)
{write-host $dsv.id $dsv.Name $db.Name}};$svr.disconnect()

[System.Reflection.Assembly]::LoadWithPartialName("Microsoft.AnalysisServices")>$Null
cls;$svr=new-object Microsoft.AnalysisServices.Server;$svr.Connect(".")
foreach($dsv in $svr.Databases["AW14E"].DataSourceViews)
{write-host $dsv.id $dsv.Name};$svr.disconnect()