Controller::TryUpdateModel<TModel> Method (TModel, String, array<String>, array<String>, IValueProvider)

Updates the specified model instance using values from the value provider, a prefix, a list of properties to exclude , and a list of properties to include.

Namespace:  System.Web.Mvc
Assembly:  System.Web.Mvc (in System.Web.Mvc.dll)

protected public:
generic<typename TModel>
where TModel : ref class
bool TryUpdateModel(
	TModel model, 
	String^ prefix, 
	array<String^>^ includeProperties, 
	array<String^>^ excludeProperties, 
	IValueProvider^ valueProvider

Type Parameters


The type of the model object.


Type: TModel
The model instance to update.
Type: System::String
The prefix to use when looking up values in the value provider.
Type: array<System::String>
A list of properties of the model to update.
Type: array<System::String>
A list of properties to explicitly exclude from the update. These are excluded even if they are listed in the includeProperties parameter list.
Type: System.Web.Mvc::IValueProvider
A dictionary of values that is used to update the model.

Return Value

Type: System::Boolean
true if the update is successful; otherwise, false.

You do not have to explicitly specify the generic parameter TModel. Instead, you can let the C# or Visual Basic type inference engine determine the generic parameter TModel by omitting it.

The [Overload:System.Web.Mvc.Controller.TryUpdateModel``1] method is like the [Overload:System.Web.Mvc.Controller.UpdateModel``1] method except that the [Overload:System.Web.Mvc.Controller.TryUpdateModel``1] method does not throw an InvalidOperationException exception if the updated model state is not valid.

For more information model validation, see the entry Input Validation vs. Model Validation in ASP.NET MVC on Brad Wilson's blog.