HtmlHelperValidationExtensions.ValidationMessage Method
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| ValidationMessage(IHtmlHelper, String) |
Returns the validation message if an error exists in the ModelStateDictionary
object for the specified |
| ValidationMessage(IHtmlHelper, String, Object) |
Returns the validation message if an error exists in the ModelStateDictionary
object for the specified |
| ValidationMessage(IHtmlHelper, String, String) |
Returns the validation message if an error exists in the ModelStateDictionary
object for the specified |
| ValidationMessage(IHtmlHelper, String, String, Object) |
Returns the validation message if an error exists in the ModelStateDictionary
object for the specified |
| ValidationMessage(IHtmlHelper, String, String, String) |
Returns the validation message if an error exists in the ModelStateDictionary
object for the specified |
Returns the validation message if an error exists in the ModelStateDictionary
object for the specified expression.
public:
[System::Runtime::CompilerServices::Extension]
static Microsoft::AspNetCore::Html::IHtmlContent ^ ValidationMessage(Microsoft::AspNetCore::Mvc::Rendering::IHtmlHelper ^ htmlHelper, System::String ^ expression);public static Microsoft.AspNetCore.Html.IHtmlContent ValidationMessage (this Microsoft.AspNetCore.Mvc.Rendering.IHtmlHelper htmlHelper, string expression);static member ValidationMessage : Microsoft.AspNetCore.Mvc.Rendering.IHtmlHelper * string -> Microsoft.AspNetCore.Html.IHtmlContent<Extension()>
Public Function ValidationMessage (htmlHelper As IHtmlHelper, expression As String) As IHtmlContentParameters
- htmlHelper
- IHtmlHelper
The IHtmlHelper instance this method extends.
- expression
- String
Expression name, relative to the current model.
Returns
A new IHtmlContent containing a ValidationMessageElement element.
An empty IHtmlContent if the expression is valid and client-side
validation is disabled.
Remarks
Method extracts an error string from the ModelStateDictionary object. Message will always be visible but client-side validation may update the associated CSS class.
Applies to
ASP.NET Core 9.0 and other versions
| Product | Versions |
|---|---|
| ASP.NET Core | 1.0, 1.1, 2.0, 2.1, 2.2, 3.0, 3.1, 5.0, 6.0, 7.0, 8.0, 9.0 |
Returns the validation message if an error exists in the ModelStateDictionary
object for the specified expression.
public:
[System::Runtime::CompilerServices::Extension]
static Microsoft::AspNetCore::Html::IHtmlContent ^ ValidationMessage(Microsoft::AspNetCore::Mvc::Rendering::IHtmlHelper ^ htmlHelper, System::String ^ expression, System::Object ^ htmlAttributes);public static Microsoft.AspNetCore.Html.IHtmlContent ValidationMessage (this Microsoft.AspNetCore.Mvc.Rendering.IHtmlHelper htmlHelper, string expression, object htmlAttributes);static member ValidationMessage : Microsoft.AspNetCore.Mvc.Rendering.IHtmlHelper * string * obj -> Microsoft.AspNetCore.Html.IHtmlContent<Extension()>
Public Function ValidationMessage (htmlHelper As IHtmlHelper, expression As String, htmlAttributes As Object) As IHtmlContentParameters
- htmlHelper
- IHtmlHelper
The IHtmlHelper instance this method extends.
- expression
- String
Expression name, relative to the current model.
- htmlAttributes
- Object
An Object that contains the HTML attributes for the (ValidationMessageElement) element. Alternatively, an IDictionary<TKey,TValue> instance containing the HTML attributes.
Returns
A new IHtmlContent containing a ValidationMessageElement element.
An empty IHtmlContent if the expression is valid and client-side
validation is disabled.
Remarks
Method extracts an error string from the ModelStateDictionary object. Message will always be visible but client-side validation may update the associated CSS class.
Applies to
ASP.NET Core 9.0 and other versions
| Product | Versions |
|---|---|
| ASP.NET Core | 1.0, 1.1, 2.0, 2.1, 2.2, 3.0, 3.1, 5.0, 6.0, 7.0, 8.0, 9.0 |
Returns the validation message if an error exists in the ModelStateDictionary
object for the specified expression.
public:
[System::Runtime::CompilerServices::Extension]
static Microsoft::AspNetCore::Html::IHtmlContent ^ ValidationMessage(Microsoft::AspNetCore::Mvc::Rendering::IHtmlHelper ^ htmlHelper, System::String ^ expression, System::String ^ message);public static Microsoft.AspNetCore.Html.IHtmlContent ValidationMessage (this Microsoft.AspNetCore.Mvc.Rendering.IHtmlHelper htmlHelper, string expression, string message);static member ValidationMessage : Microsoft.AspNetCore.Mvc.Rendering.IHtmlHelper * string * string -> Microsoft.AspNetCore.Html.IHtmlContent<Extension()>
Public Function ValidationMessage (htmlHelper As IHtmlHelper, expression As String, message As String) As IHtmlContentParameters
- htmlHelper
- IHtmlHelper
The IHtmlHelper instance this method extends.
- 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.
Returns
A new IHtmlContent containing a ValidationMessageElement element.
An empty IHtmlContent if the expression is valid and client-side
validation is disabled.
Applies to
ASP.NET Core 9.0 and other versions
| Product | Versions |
|---|---|
| ASP.NET Core | 1.0, 1.1, 2.0, 2.1, 2.2, 3.0, 3.1, 5.0, 6.0, 7.0, 8.0, 9.0 |
Returns the validation message if an error exists in the ModelStateDictionary
object for the specified expression.
public:
[System::Runtime::CompilerServices::Extension]
static Microsoft::AspNetCore::Html::IHtmlContent ^ ValidationMessage(Microsoft::AspNetCore::Mvc::Rendering::IHtmlHelper ^ htmlHelper, System::String ^ expression, System::String ^ message, System::Object ^ htmlAttributes);public static Microsoft.AspNetCore.Html.IHtmlContent ValidationMessage (this Microsoft.AspNetCore.Mvc.Rendering.IHtmlHelper htmlHelper, string expression, string message, object htmlAttributes);static member ValidationMessage : Microsoft.AspNetCore.Mvc.Rendering.IHtmlHelper * string * string * obj -> Microsoft.AspNetCore.Html.IHtmlContent<Extension()>
Public Function ValidationMessage (htmlHelper As IHtmlHelper, expression As String, message As String, htmlAttributes As Object) As IHtmlContentParameters
- htmlHelper
- IHtmlHelper
The IHtmlHelper instance this method extends.
- 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.
- htmlAttributes
- Object
An Object that contains the HTML attributes for the (ValidationMessageElement) element. Alternatively, an IDictionary<TKey,TValue> instance containing the HTML attributes.
Returns
A new IHtmlContent containing a ValidationMessageElement element.
An empty IHtmlContent if the expression is valid and client-side
validation is disabled.
Applies to
ASP.NET Core 9.0 and other versions
| Product | Versions |
|---|---|
| ASP.NET Core | 1.0, 1.1, 2.0, 2.1, 2.2, 3.0, 3.1, 5.0, 6.0, 7.0, 8.0, 9.0 |
Returns the validation message if an error exists in the ModelStateDictionary
object for the specified expression.
public:
[System::Runtime::CompilerServices::Extension]
static Microsoft::AspNetCore::Html::IHtmlContent ^ ValidationMessage(Microsoft::AspNetCore::Mvc::Rendering::IHtmlHelper ^ htmlHelper, System::String ^ expression, System::String ^ message, System::String ^ tag);public static Microsoft.AspNetCore.Html.IHtmlContent ValidationMessage (this Microsoft.AspNetCore.Mvc.Rendering.IHtmlHelper htmlHelper, string expression, string message, string tag);static member ValidationMessage : Microsoft.AspNetCore.Mvc.Rendering.IHtmlHelper * string * string * string -> Microsoft.AspNetCore.Html.IHtmlContent<Extension()>
Public Function ValidationMessage (htmlHelper As IHtmlHelper, expression As String, message As String, tag As String) As IHtmlContentParameters
- htmlHelper
- IHtmlHelper
The IHtmlHelper instance this method extends.
- 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.
- tag
- String
The tag to wrap the message in the generated HTML. Its default value is
ValidationMessageElement.
Returns
A new IHtmlContent containing a tag element. An empty
IHtmlContent if the expression is valid and client-side validation is
disabled.
Applies to
ASP.NET Core 9.0 and other versions
| Product | Versions |
|---|---|
| ASP.NET Core | 1.0, 1.1, 2.0, 2.1, 2.2, 3.0, 3.1, 5.0, 6.0, 7.0, 8.0, 9.0 |