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    Class RadzenDataAnnotationValidator

    A validator component which validates a component value using the data annotations defined on the corresponding model property. Must be placed inside a RadzenTemplateForm<TItem>

    Inheritance
    System.Object
    RadzenComponent
    ValidatorBase
    RadzenDataAnnotationValidator
    Implements
    IDisposable
    IRadzenFormValidator
    Inherited Members
    ValidatorBase.Form
    ValidatorBase.Component
    ValidatorBase.Popup
    ValidatorBase.IsValid
    ValidatorBase.EditContext
    ValidatorBase.messages
    ValidatorBase.SetParametersAsync(ParameterView)
    ValidatorBase.GetComponentCssClass()
    ValidatorBase.Dispose()
    ValidatorBase.BuildRenderTree(RenderTreeBuilder)
    RadzenComponent.Attributes
    RadzenComponent.Element
    RadzenComponent.MouseEnter
    RadzenComponent.MouseLeave
    RadzenComponent.ContextMenu
    RadzenComponent.Culture
    RadzenComponent.DefaultCulture
    RadzenComponent.OnMouseEnter()
    RadzenComponent.OnMouseLeave()
    RadzenComponent.OnContextMenu(Microsoft.AspNetCore.Components.Web.MouseEventArgs)
    RadzenComponent.Style
    RadzenComponent.Visible
    RadzenComponent.GetCssClass()
    RadzenComponent.GetId()
    RadzenComponent.Debounce(Func<Task>, Int32)
    RadzenComponent.UniqueID
    RadzenComponent.JSRuntime
    RadzenComponent.IsJSRuntimeAvailable
    RadzenComponent.OnInitialized()
    RadzenComponent.Reference
    RadzenComponent.OnAfterRenderAsync(Boolean)
    RadzenComponent.RaiseContextMenu(Microsoft.AspNetCore.Components.Web.MouseEventArgs)
    RadzenComponent.RaiseMouseEnter()
    RadzenComponent.RaiseMouseLeave()
    RadzenComponent.CurrentStyle
    Namespace: Radzen.Blazor
    Assembly: Radzen.Blazor.dll
    Syntax
    public class RadzenDataAnnotationValidator : ValidatorBase, IDisposable, IRadzenFormValidator
    Examples
    <RadzenTemplateForm TItem="UserModel" Data=@user>
       <RadzenTextBox style="display: block" Name="Name" @bind-Value=@user.Name />
       <RadzenFieldValidator Component="Name" />
    </RadzenTemplateForm>
    @code {
       class UserModel
       {
          [Required(ErrorMessage = "Name is required.")]
          [StringLength(50, ErrorMessage = "Name must be less than 50 characters.")]
          public string Name { get; set; }
       }
       UserModel user = new UserModel();
    }

    Properties

    MessageSeparator

    Gets or sets the separator used to join multiple validation messages.

    Declaration
    public string MessageSeparator { get; set; }
    Property Value
    Type Description
    System.String

    Text

    Gets or sets the message displayed when the component is invalid. The message is generated from the data annotation attributes applied to the model property.

    Declaration
    public override string Text { get; set; }
    Property Value
    Type Description
    System.String
    Overrides
    ValidatorBase.Text

    Methods

    Validate(IRadzenFormComponent)

    Runs validation against the specified component.

    Declaration
    protected override bool Validate(IRadzenFormComponent component)
    Parameters
    Type Name Description
    IRadzenFormComponent component

    The component to validate.

    Returns
    Type Description
    System.Boolean

    true if validation is successful, false otherwise.

    Overrides
    ValidatorBase.Validate(IRadzenFormComponent)

    Implements

    IDisposable
    IRadzenFormValidator

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