If you are working with 20.1 or later versions of the Syncfusion Blazor NuGet packages - blazor.syncfusion.com/documentation/release-notes/20.1.47?type=all#breaking-changes, we request you to ensure the following 3 steps in your projects- 1. Manually add the script reference under the section of ~/index.html or ~/Pages/_Host.cshtml files. Read More: blazor.syncfusion.com/documentation/common/adding-script-references 2. Syncfusion.Blazor.Themes is removed from dependencies of Syncfusion.Blazor.Core. So, if you are looking to refer themes from static web assets, ensure to install Syncfusion.Blazor.Themes NuGet package explicitly into your project. Check out how to manually add the style reference, blazor.syncfusion.com/documentation/appearance/themes#static-web-assets 3. While registering Syncfusion Blazor Service in the ~/Program.cs file, you would have set IgnoreScriptIsolation property as true to load the scripts externally. From 2022 Vol-1 (20.1.*) versions, the default value of IgnoreScriptIsolation is changed to true and marked as obsolete, so it is not necessary to set this property explicitly in your projects. Read More: blazor.syncfusion.com/documentation/common/adding-script-references#disable-javascript-isolation

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If a value in the data-model is changed, without any user-UI interaction, such as by a database server notification that the client app has subscribed to (e.g. SQL Server SqlTableDependency notification), does the SfTreeGrid remember which nodes in the hierarchy are expanded and which are not, and does it resort using the new value? Or does it revert to its default UI state?