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.
POPrince Oliver Syncfusion Team April 4, 2018 10:15 AM UTC
Hi Ivan,
Thank you for contacting Syncfusion support.
You can use the beforeActive event in the tab control and validate the active item to either continue or cancel the event. To cancel the event, you need to assign true to “event.cancel”. Kindly refer to the following code snippet.