New to Telerik UI for Blazor? Download Free 30-day trial

MultiColumnComboBox - Validation

  • Validation.razor
  • ProductService.cs
  • ProductDto.cs
Loading the demo source code...please wait.

Style in ThemeBuilder

  • Custom SASS variables
  • Atomic customizations
  • Sharing projects
Start Theming


The Telerik MultiColumnComboBox for Blazor supports validation through data annotations in the model. In the above example, you cannot submit the form before choosing a value from the dropdown, as the ProductName field is decorated as required. If you try to do so, a validation summary will appear, stating the issue.

This Blazor MultiColumnComboBox Validation example is part of a unique collection of hundreds of Blazor demos, with which you can see all Telerik UI for Blazor components and their features in action. View the source code of the demos from the library or directly adapt, and edit them and their theme appearance in Telerik REPL for Blazor or ThemeBuilder.

Support & Learning Resources

An error has occurred. This application may no longer respond until reloaded.