ModelMethodContext.TryUpdateModel 方法
定义
使用来自值提供程序的值更新指定的模型实例。Updates the specified model instance using values from a value provider.
重载
| TryUpdateModel<TModel>(TModel) |
使用来自值提供程序的值更新指定的模型实例。Updates the specified model instance using values from a value provider. |
| TryUpdateModel<TModel>(TModel, IValueProvider) |
使用来自指定值提供程序的值更新指定的模型实例。Updates the specified model instance using values from the specified value provider. |
注解
有关如何在 Web 窗体中使用模型绑定的教程系列,请参阅 模型绑定和 Web 窗体。For a tutorial series on using model binding with Web Forms, see Model Binding and Web Forms.
TryUpdateModel<TModel>(TModel)
使用来自值提供程序的值更新指定的模型实例。Updates the specified model instance using values from a value provider.
public:
generic <typename TModel>
where TModel : class virtual bool TryUpdateModel(TModel model);
public virtual bool TryUpdateModel<TModel> (TModel model) where TModel : class;
abstract member TryUpdateModel : 'Model -> bool (requires 'Model : null)
override this.TryUpdateModel : 'Model -> bool (requires 'Model : null)
Public Overridable Function TryUpdateModel(Of TModel As Class) (model As TModel) As Boolean
类型参数
- TModel
模型的类型。The type of the model.
参数
- model
- TModel
模型。The model.
返回
如果模型绑定成功,则为 true;否则为 false。true if model binding is successful; otherwise, false.
注解
有关如何在 Web 窗体中使用模型绑定的教程系列,请参阅 模型绑定和 Web 窗体。For a tutorial series on using model binding with Web Forms, see Model Binding and Web Forms.
适用于
TryUpdateModel<TModel>(TModel, IValueProvider)
使用来自指定值提供程序的值更新指定的模型实例。Updates the specified model instance using values from the specified value provider.
public:
generic <typename TModel>
where TModel : class virtual bool TryUpdateModel(TModel model, System::Web::ModelBinding::IValueProvider ^ valueProvider);
public virtual bool TryUpdateModel<TModel> (TModel model, System.Web.ModelBinding.IValueProvider valueProvider) where TModel : class;
abstract member TryUpdateModel : 'Model * System.Web.ModelBinding.IValueProvider -> bool (requires 'Model : null)
override this.TryUpdateModel : 'Model * System.Web.ModelBinding.IValueProvider -> bool (requires 'Model : null)
Public Overridable Function TryUpdateModel(Of TModel As Class) (model As TModel, valueProvider As IValueProvider) As Boolean
类型参数
- TModel
模型的类型。The type of the model.
参数
- model
- TModel
模型。The model.
- valueProvider
- IValueProvider
值提供程序。The value provider.
返回
如果模型绑定成功,则为 true;否则为 false。true if model binding is successful; otherwise, false.
注解
有关如何在 Web 窗体中使用模型绑定的教程系列,请参阅 模型绑定和 Web 窗体。For a tutorial series on using model binding with Web Forms, see Model Binding and Web Forms.