The Syncfusion native Blazor components library offers 70+ UI and Data Viz web controls that are responsive and lightweight for building modern web apps.
.NET PDF framework is a high-performance and comprehensive library used to create, read, merge, split, secure, edit, view, and review PDF files in C#/VB.NET.
SASaravanan Arunachalam Syncfusion Team July 6, 2017 10:00 AM UTC
Hi Carsten,
Thanks for contacting Syncfusion’s support.
We have achieved your requirement by using RowSelected event and expandCollapse method of Grid control. Please refer to the below code example and also refer to the below api reference link.