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.
Meaning you have three languages in treeview item, but only one is visible at a time via some languageToVisibilityConverter, the treeview will display properly, and the editing template will work correctly, but the AfterItemEdit event's EditModeChangeEventArgs Old and New value will only show the NewValue/OldValue for the first textbox.. namely the one bound to Language_1 in this case.