gistfile1.ps1

# Executes an IDbCommand and converts the resultset
# to a Powershell object collection
function ExecuteCommand(
  $command = { throw 'Command must be supplied' }
){
  $rows = @();
  $reader = $command.executereader()
  while($reader.read()){
    $values = new-object object;
    
    for($i = 0; $i -lt $reader.FieldCount; $i++){
      $name = $reader.GetName($i);
      $value = $reader.GetValue($i);
      
      Add-Member -in $values noteproperty $name $value
    }
    $rows+= $values;
  }
  $reader.Close();
  $rows
}

From Nice Cup(Of T)