Description:The bound value, it will create the instance of the ModelType of bindingContext by converting all the relevant types from the incoming HTTP request. The method we first check whether it contains called modelName parameters, if any, directly call the Fill method to fill the object with the corresponding values of the parameters. If not, check the Form is empty, if not empty, Form filled object. If the Form is empty, check the QueryString is empty, if not empty QueryString to fill the object, if you are empty, null is returned. here only one example of the actual project may here need other forms of control and judgment are bound even create multiple ModelBinder to different entities.
Parameters
controllerContext
Type:ControllerContext
Description:The controller context, holds information about the current HTTP request and about the associated controller.
bindingContext
Type:ModelBindingContext
Description:The binding context, holds information about the model itself and its metadata.