ValidationExtensions.ValidationMessage Method
Displays a validation message if an error exists for the specified field in the ModelStateDictionary object.
Assembly: System.Web.Mvc (in System.Web.Mvc.dll)
| Name | Description | |
|---|---|---|
![]() ![]() | ValidationMessage(HtmlHelper, String) | Displays a validation message if an error exists for the specified field in the ModelStateDictionary object. |
![]() ![]() | ValidationMessage(HtmlHelper, String, IDictionary<String, Object>) | Displays a validation message if an error exists for the specified field in the ModelStateDictionary object. |
![]() ![]() | ValidationMessage(HtmlHelper, String, IDictionary<String, Object>, String) | Displays a validation message if an error exists for the specified entry in the ModelStateDictionary object. |
![]() ![]() | ValidationMessage(HtmlHelper, String, Object) | Displays a validation message if an error exists for the specified field in the ModelStateDictionary object. |
![]() ![]() | ValidationMessage(HtmlHelper, String, Object, String) | Displays a validation message if an error exists for the specified entry in the ModelStateDictionary object. |
![]() ![]() | ValidationMessage(HtmlHelper, String, String) | Displays a validation message if an error exists for the specified field in the ModelStateDictionary object. |
![]() ![]() | ValidationMessage(HtmlHelper, String, String, IDictionary<String, Object>) | Displays a validation message if an error exists for the specified field in the ModelStateDictionary object. |
![]() ![]() | ValidationMessage(HtmlHelper, String, String, IDictionary<String, Object>, String) | Displays a validation message if an error exists for the specified entry in the ModelStateDictionary object. |
![]() ![]() | ValidationMessage(HtmlHelper, String, String, Object) | Displays a validation message if an error exists for the specified field in the ModelStateDictionary object. |
![]() ![]() | ValidationMessage(HtmlHelper, String, String, Object, String) | Displays a validation message if an error exists for the specified entry in the ModelStateDictionary object. |
![]() ![]() | ValidationMessage(HtmlHelper, String, String, String) | Displays a validation message if an error exists for the specified entry in the ModelStateDictionary object. |
The ValidationMessage method renders a validation message if the specified field contains invalid input.
If the DefaultModelBinder instance cannot bind a form-field value to the model, the binder adds an error to the ModelState object. When the view is rendered, the validation messages and validation summary are displayed based on the Errors property of the ModelState object.
ValidationExtensions.ValidationMessage Method (HtmlHelper, String)
Displays a validation message if an error exists for the specified field in the ModelStateDictionary object.
public static MvcHtmlString ValidationMessage( this HtmlHelper htmlHelper, string modelName )
Parameters
- htmlHelper
-
Type:
System.Web.Mvc.HtmlHelper
The HTML helper instance that this method extends.
- modelName
-
Type:
System.String
The name of the property or model object that is being validated.
Return Value
Type: System.Web.Mvc.MvcHtmlStringIf the property or object is valid, an empty string; otherwise, a span element that contains an error message.
The ValidationMessage method renders a validation message if the specified field contains invalid input.
If the DefaultModelBinder instance cannot bind a form-field value to the model, the binder adds an error to the ModelState object. When the view is rendered, the validation messages and validation summary are displayed based on the Errors property of the ModelState object.
ValidationExtensions.ValidationMessage Method (HtmlHelper, String, IDictionary<String, Object>)
Displays a validation message if an error exists for the specified field in the ModelStateDictionary object.
public static MvcHtmlString ValidationMessage( this HtmlHelper htmlHelper, string modelName, IDictionary<string, object> htmlAttributes )
Parameters
- htmlHelper
-
Type:
System.Web.Mvc.HtmlHelper
The HTML helper instance that this method extends.
- modelName
-
Type:
System.String
The name of the property or model object that is being validated.
- htmlAttributes
-
Type:
System.Collections.Generic.IDictionary<String, Object>
An object that contains the HTML attributes for the element.
Return Value
Type: System.Web.Mvc.MvcHtmlStringIf the property or object is valid, an empty string; otherwise, a span element that contains an error message.
The ValidationMessage method renders a validation message if the specified field contains invalid input.
If the DefaultModelBinder instance cannot bind a form-field value to the model, the binder adds an error to the ModelState object. When the view is rendered, the validation messages and validation summary are displayed based on the Errors property of the ModelState object.
ValidationExtensions.ValidationMessage Method (HtmlHelper, String, IDictionary<String, Object>, String)
Displays a validation message if an error exists for the specified entry in the ModelStateDictionary object.
public static MvcHtmlString ValidationMessage( this HtmlHelper htmlHelper, string modelName, IDictionary<string, object> htmlAttributes, string tag )
Parameters
- htmlHelper
-
Type:
System.Web.Mvc.HtmlHelper
The HTML helper instance that this method operates on.
- modelName
-
Type:
System.String
The name of the entry being validated.
- htmlAttributes
-
Type:
System.Collections.Generic.IDictionary<String, Object>
An IDictionary<TKey, TValue> that contains the HTML attributes for the element.
- tag
-
Type:
System.String
The tag to be set for the wrapping HTML element of the validation message.
Return Value
Type: System.Web.Mvc.MvcHtmlStringnull if the entry is valid and client-side validation is disabled. Otherwise, a tag element that contains an error message.
ValidationExtensions.ValidationMessage Method (HtmlHelper, String, Object)
Displays a validation message if an error exists for the specified field in the ModelStateDictionary object.
public static MvcHtmlString ValidationMessage( this HtmlHelper htmlHelper, string modelName, object htmlAttributes )
Parameters
- htmlHelper
-
Type:
System.Web.Mvc.HtmlHelper
The HTML helper instance that this method extends.
- modelName
-
Type:
System.String
The name of the property or model object that is being validated.
- htmlAttributes
-
Type:
System.Object
An object that contains the HTML attributes for the element.
Return Value
Type: System.Web.Mvc.MvcHtmlStringIf the property or object is valid, an empty string; otherwise, a span element that contains an error message.
The ValidationMessage method renders a validation message if the specified field contains invalid input.
If the DefaultModelBinder instance cannot bind a form-field value to the model, the binder adds an error to the ModelState object. When the view is rendered, the validation messages and validation summary are displayed based on the Errors property of the ModelState object.
ValidationExtensions.ValidationMessage Method (HtmlHelper, String, Object, String)
Displays a validation message if an error exists for the specified entry in the ModelStateDictionary object.
public static MvcHtmlString ValidationMessage( this HtmlHelper htmlHelper, string modelName, object htmlAttributes, string tag )
Parameters
- htmlHelper
-
Type:
System.Web.Mvc.HtmlHelper
The HTML helper instance that this method operates on.
- modelName
-
Type:
System.String
The name of the entry being validated.
- htmlAttributes
-
Type:
System.Object
An object that contains the HTML attributes for the element.
- tag
-
Type:
System.String
The tag to be set for the wrapping HTML element of the validation message.
Return Value
Type: System.Web.Mvc.MvcHtmlStringnull if the entry is valid and client-side validation is disabled. Otherwise, a tag element that contains an error message.
ValidationExtensions.ValidationMessage Method (HtmlHelper, String, String)
Displays a validation message if an error exists for the specified field in the ModelStateDictionary object.
public static MvcHtmlString ValidationMessage( this HtmlHelper htmlHelper, string modelName, string validationMessage )
Parameters
- htmlHelper
-
Type:
System.Web.Mvc.HtmlHelper
The HTML helper instance that this method extends.
- modelName
-
Type:
System.String
The name of the property or model object that is being validated.
- validationMessage
-
Type:
System.String
The message to display if the specified field contains an error.
Return Value
Type: System.Web.Mvc.MvcHtmlStringIf the property or object is valid, an empty string; otherwise, a span element that contains an error message.
The ValidationMessage method renders a validation message if the specified field contains invalid input.
If the DefaultModelBinder instance cannot bind a form-field value to the model, the binder adds an error to the ModelState object. When the view is rendered, the validation messages and validation summary are displayed based on the Errors property of the ModelState object.
ValidationExtensions.ValidationMessage Method (HtmlHelper, String, String, IDictionary<String, Object>)
Displays a validation message if an error exists for the specified field in the ModelStateDictionary object.
public static MvcHtmlString ValidationMessage( this HtmlHelper htmlHelper, string modelName, string validationMessage, IDictionary<string, object> htmlAttributes )
Parameters
- htmlHelper
-
Type:
System.Web.Mvc.HtmlHelper
The HTML helper instance that this method extends.
- modelName
-
Type:
System.String
The name of the property or model object that is being validated.
- validationMessage
-
Type:
System.String
The message to display if the specified field contains an error.
- htmlAttributes
-
Type:
System.Collections.Generic.IDictionary<String, Object>
An object that contains the HTML attributes for the element.
Return Value
Type: System.Web.Mvc.MvcHtmlStringIf the property or object is valid, an empty string; otherwise, a span element that contains an error message.
The ValidationMessage method renders a validation message if the specified field contains invalid input.
If the DefaultModelBinder instance cannot bind a form-field value to the model, the binder adds an error to the ModelState object. When the view is rendered, the validation messages and validation summary are displayed based on the Errors property of the ModelState object.
ValidationExtensions.ValidationMessage Method (HtmlHelper, String, String, IDictionary<String, Object>, String)
Displays a validation message if an error exists for the specified entry in the ModelStateDictionary object.
public static MvcHtmlString ValidationMessage( this HtmlHelper htmlHelper, string modelName, string validationMessage, IDictionary<string, object> htmlAttributes, string tag )
Parameters
- htmlHelper
-
Type:
System.Web.Mvc.HtmlHelper
The HTML helper instance that this method operates on.
- modelName
-
Type:
System.String
The name of the model object being validated.
- validationMessage
-
Type:
System.String
The message to display if the specified entry contains an error.
- htmlAttributes
-
Type:
System.Collections.Generic.IDictionary<String, Object>
An IDictionary<TKey, TValue> that contains the HTML attributes for the element.
- tag
-
Type:
System.String
The tag to be set for the wrapping HTML element of the validation message.
Return Value
Type: System.Web.Mvc.MvcHtmlStringnull if the model object is valid and client-side validation is disabled. Otherwise, a tag element that contains an error message.
ValidationExtensions.ValidationMessage Method (HtmlHelper, String, String, Object)
Displays a validation message if an error exists for the specified field in the ModelStateDictionary object.
public static MvcHtmlString ValidationMessage( this HtmlHelper htmlHelper, string modelName, string validationMessage, object htmlAttributes )
Parameters
- htmlHelper
-
Type:
System.Web.Mvc.HtmlHelper
The HTML helper instance that this method extends.
- modelName
-
Type:
System.String
The name of the property or model object that is being validated.
- validationMessage
-
Type:
System.String
The message to display if the specified field contains an error.
- htmlAttributes
-
Type:
System.Object
An object that contains the HTML attributes for the element.
Return Value
Type: System.Web.Mvc.MvcHtmlStringIf the property or object is valid, an empty string; otherwise, a span element that contains an error message.
The ValidationMessage method renders a validation message if the specified field contains invalid input.
If the DefaultModelBinder instance cannot bind a form-field value to the model, the binder adds an error to the ModelState object. When the view is rendered, the validation messages and validation summary are displayed based on the Errors property of the ModelState object.
ValidationExtensions.ValidationMessage Method (HtmlHelper, String, String, Object, String)
Displays a validation message if an error exists for the specified entry in the ModelStateDictionary object.
public static MvcHtmlString ValidationMessage( this HtmlHelper htmlHelper, string modelName, string validationMessage, object htmlAttributes, string tag )
Parameters
- htmlHelper
-
Type:
System.Web.Mvc.HtmlHelper
The HTML helper instance that this method operates on.
- modelName
-
Type:
System.String
The name of the entry being validated.
- validationMessage
-
Type:
System.String
The message to display if the specified entry contains an error.
- htmlAttributes
-
Type:
System.Object
An object that contains the HTML attributes for the element.
- tag
-
Type:
System.String
The tag to be set for the wrapping HTML element of the validation message.
Return Value
Type: System.Web.Mvc.MvcHtmlStringnull if the entry is valid and client-side validation is disabled. Otherwise, a tag element that contains an error message.
ValidationExtensions.ValidationMessage Method (HtmlHelper, String, String, String)
Displays a validation message if an error exists for the specified entry in the ModelStateDictionary object.
public static MvcHtmlString ValidationMessage( this HtmlHelper htmlHelper, string modelName, string validationMessage, string tag )
Parameters
- htmlHelper
-
Type:
System.Web.Mvc.HtmlHelper
The HTML helper instance that this method operates on.
- modelName
-
Type:
System.String
The name of the entry being validated.
- validationMessage
-
Type:
System.String
The message to display if the specified entry contains an error.
- tag
-
Type:
System.String
The tag to be set for the wrapping HTML element of the validation message.
Return Value
Type: System.Web.Mvc.MvcHtmlStringnull if the entry is valid and client-side validation is disabled. Otherwise, a tag element that contains an error message.

