VRVijayalakshmi Roopkumar Syncfusion Team September 22, 2017 01:39 AM UTC
Thank you for contacting Syncfusion Support.
We have checked the reported requirement with EditControl by binding the DocumentSource, but on changing it dynamically, the file get updated and DocumentSourceChanged event is called. We also observed that in the provided code you have not bind the DocumentSource in TwoWay mode, so we suspect that the binding would not occurred dynamically at your end. Please make use of the below code example:
We also checking it in the MVVM light pattern, but in meanwhile please check the sample and let us know whether our understanding on the reported issue is same? Also let us know implement details in the MVVM light pattern and what you have done in the converter of your application. It would be helpful for us to proceed further on this.