Controller.TryUpdateModel(Of TModel) Method (TModel, String(), IValueProvider)
Updates the specified model instance using values from the value provider and a list of properties to include.
Namespace: System.Web.Mvc
Assembly: System.Web.Mvc (in System.Web.Mvc.dll)
'Declaration Protected Friend Function TryUpdateModel(Of TModel As Class) ( _ model As TModel, _ includeProperties As String(), _ valueProvider As IValueProvider _ ) As Boolean 'Usage Dim model As TModel Dim includeProperties As String() Dim valueProvider As IValueProvider Dim returnValue As Boolean returnValue = Me.TryUpdateModel(model, _ includeProperties, valueProvider)
Type Parameters
- TModel
The type of the model object.
Parameters
- model
- Type: TModel
The model instance to update.
- includeProperties
- Type: System.String()
A list of properties of the model to update.
- valueProvider
- Type: System.Web.Mvc.IValueProvider
A dictionary of values that is used to update the model.
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.