i want to display the connecting node name using from and to id of the links when i hover over the link.
You can use style.linkHovered and style.linkStyleFunction to apply different style/labels for links.
Example:http://jsfiddle.net/ga5n8uet/
More info:https://zoomcharts.com/developers/en/net-chart/api-reference/settings/style/linkHovered.html
https://zoomcharts.com/developers/en/net-chart/api-reference/settings/style.html#doc_linkStyleFunction
thanks for the help. it works just fine