IHtmlGenerator.GenerateValidationMessage Method

Reference

Definition

Namespace:: Microsoft.AspNetCore.Mvc.ViewFeatures

Assembly:: Microsoft.AspNetCore.Mvc.ViewFeatures.dll

Package:: Microsoft.AspNetCore.Mvc.ViewFeatures v1.0.0

Package:: Microsoft.AspNetCore.Mvc.ViewFeatures v1.1.0

Package:: Microsoft.AspNetCore.Mvc.ViewFeatures v2.0.0

Package:: Microsoft.AspNetCore.Mvc.ViewFeatures v2.1.0

Package:: Microsoft.AspNetCore.Mvc.ViewFeatures v2.2.0

Package:: Microsoft.AspNetCore.App.Ref v3.0.1

Package:: Microsoft.AspNetCore.App.Ref v3.1.10

Package:: Microsoft.AspNetCore.App.Ref v5.0.0

Package:: Microsoft.AspNetCore.App.Ref v6.0.6

Package:: Microsoft.AspNetCore.App.Ref v7.0.5

Package:: Microsoft.AspNetCore.App.Ref v8.0.0

Important

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Generate a tag element if the viewContext's ModelState contains an error for the expression.

public:
 Microsoft::AspNetCore::Mvc::Rendering::TagBuilder ^ GenerateValidationMessage(Microsoft::AspNetCore::Mvc::Rendering::ViewContext ^ viewContext, Microsoft::AspNetCore::Mvc::ViewFeatures::ModelExplorer ^ modelExplorer, System::String ^ expression, System::String ^ message, System::String ^ tag, System::Object ^ htmlAttributes);

public Microsoft.AspNetCore.Mvc.Rendering.TagBuilder GenerateValidationMessage (Microsoft.AspNetCore.Mvc.Rendering.ViewContext viewContext, Microsoft.AspNetCore.Mvc.ViewFeatures.ModelExplorer modelExplorer, string expression, string message, string tag, object htmlAttributes);

abstract member GenerateValidationMessage : Microsoft.AspNetCore.Mvc.Rendering.ViewContext * Microsoft.AspNetCore.Mvc.ViewFeatures.ModelExplorer * string * string * string * obj -> Microsoft.AspNetCore.Mvc.Rendering.TagBuilder

Public Function GenerateValidationMessage (viewContext As ViewContext, modelExplorer As ModelExplorer, expression As String, message As String, tag As String, htmlAttributes As Object) As TagBuilder

Parameters

viewContext: ViewContext

A ViewContext instance for the current scope.

modelExplorer: ModelExplorer

The ModelExplorer for the expression.

expression: String

Expression name, relative to the current model.

message: String

The message to be displayed. If null or empty, method extracts an error string from the ModelStateDictionary object. Message will always be visible but client-side validation may update the associated CSS class.