Doesn’t work
(g_ParamName_Name, pattern
at System.ComponentModel.DataAnnotations.CustomValidationAttribute.IsValid(Object , ValidationContext ) at System.ComponentModel.DataAnnotations.ValidationAttribute.GetValidationResult(Object , ValidationContext ) at System.ComponentModel.DataAnnotations.Validator.TryValidate(Object , ValidationContext , ValidationAttribute , ValidationError& ) at System.ComponentModel.DataAnnotations.Validator.GetValidationErrors(Object , ValidationContext , IEnumerable`1 , Boolean ) at System.ComponentModel.DataAnnotations.Validator.TryValidateProperty(Object , ValidationContext , ICollection`1 ) at CommunityToolkit.Mvvm.ComponentModel.ObservableValidator.ValidateProperty(Object value, String propertyName) at CommunityToolkit.Mvvm.ComponentModel.__Internals.__ObservableValidatorHelper.ValidateProperty(ObservableValidator , Object , String ) at CommunityToolkit.Mvvm.ComponentModel.__Internals.__ObservableValidatorExtensions.<CreateAllPropertiesValidator>g__ValidateAllProperties|6_0(Object obj) at CommunityToolkit.Mvvm.ComponentModel.ObservableValidator.ValidateAllProperties() at ComponentLib.ViewModel.ViewModelBase.ValidateProperties() at ComponentLib.ViewModelComponent`1.<OnParametersSetAsync>d__4[[eBill.ViewModels.Login.LoginViewModel, eBill.ViewModels, Version=26.1.4.0, Culture=neutral, PublicKeyToken=null]].MoveNext() at Microsoft.AspNetCore.Components.ComponentBase.CallStateHasChangedOnAsyncCompletion(Task task) at Microsoft.AspNetCore.Components.ComponentBase.RunInitAndSetParametersAsync() at Microsoft.AspNetCore.Components.RenderTree.Renderer.GetErrorHandledTask(Task , ComponentState )




