Thanks for using Syncfusion products.
Please note that currently we don’t have Ko and angular support for collection of nodes and connectors properties. We have already logged a feature with “Ko and Angular support for collection of nodes and connectors” and it will be implemented in our upcoming release volume 4 2014, which is scheduled to release in the end of December. Please refer the incident 132167 for more details regarding this feature.
Please let me know if any concerns.