//Closing from syntax editor
public void CloseDatasetFromSyntax(string datasetname)
{
IUnityContainer container = LifetimeService.Instance.Container;
IDataService service = container.Resolve <IDataService>();
IUIController controller = container.Resolve <IUIController>();
//Get current filetype from loaded dataset. This is file extension and Filter
DataSource targetds = controller.GetDocumentByName(datasetname);//06Nov2012
if (targetds == null)
{
return;
}
service.Close(targetds);
controller.closeTab();
}