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Controller.TryUpdateModel(TModel) Method (TModel, String, String[], String[])

Updates the specified model instance using values from the controller's current 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)

member TryUpdateModel : 
        model:'TModel * 
        prefix:string * 
        includeProperties:string[] * 
        excludeProperties:string[] -> bool   when 'TModel : not struct

Type Parameters

TModel

The type of the model object.

Parameters

model
Type: TModel
The model instance to update.
prefix
Type: System.String
The prefix to use when looking up values in the value provider.
includeProperties
Type: System.String[]
A list of properties of the model to update.
excludeProperties
Type: 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.

Return Value

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

ExceptionCondition
ArgumentNullException

The model parameter or the ValueProvider property is a null reference (Nothing in Visual Basic).

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.

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