Only load detail when expanded

[Marc Perry]

I have a master-detail grid setup. I only want the detail to be loaded after the expand button is clicked since loading each detail when the grid is created would seriously impact performance. Is this possible?

[Prathap Senthil]

Hi Marc,

Greetings from Syncfusion support

Using the dictionary variable, which is updated when clicking the expand icon, we have rendered the subgrid. So that the subgrid will be displayed for each row based on the unique values. so that when expanded, the detail will load. We used the new events support to accomplish your request for Details Expanding and Details Collapsing. Kindly check the sample solution attached for your reference.

New Events Provided-https://blazor.syncfusion.com/documentation/release-notes/20.3.57?type=all#grid

Event name	Description
DetailsExpanding	An Event that is raised when Detail template row is clicked to expand, you can also cancel this action by using Cancel property provided in the event args.
DetailsExpanded	An Event that is raised after Detail Template row is expanded.
DetailsCollapsing	An event that is raised when Detail Template row is clicked to collapse, you can also cancel this action by using Cancel property provided in the event args.
DetailsCollapsed	An event that is raised after Detail Template row is collapsed.

Regards,
Prathap S

Attachment: DetailTemplate_576bf1ba.zip