net filter

ASP. NET has no magic -- ASP. net mvc Filter (Filter), mvcfilter The previous article introduced how to use the Authorize feature to implement ASP. net mvc authorization for Controller or Action. In fact, this feature is part of the MVC function,

The previous article introduced the use of the authorize feature to implement authorization for Controller or action in ASP. This feature is actually part of the MVC feature called Filter, which is a slice-oriented programming (AOP) Implementation,

Original: Https://msdn.microsoft.com/zh-cn/magazine/dn781361.aspxAuthentication and authorization are the foundation of application security. Authentication determines the user's identity by verifying the credentials provided, and authorization

In addition to the execution of the action method by taking advantage of Actiondescriptor and the previous model binding and validation, Actioninvoker has an important task in the execution of the action. That is the execution of the related filter.

intercepting Filter (Intercept filter)We need more control when building a Web application, or we need to insert our own business logic before or after a Web request.How do you implement common preprocessing and post-processing steps around Web page

In the previous article, I once introduced devicespecific/choice construction and device filter. At that time, we were still in ASP.. NET mobile page. the Config File uses manual encoding to define the device filter and devicespecific/choice

ObjectiveThe first two articles were relatively simple, and when I started writing this series I was looking at a friend who was just beginning to touch ASP. NET MVC, so write it as simple as possible. So the writing is not much technical content.

Ado. Net has an object used to create an abstract model of any data source. These include dataset, datatable, datarow, dataview, and datarelation.All these objects are defined in the system. Data namespace. They form an abstract model so that the

First, filter1.1 DefinitionsA filter is a server-side component that intercepts request and response information from the client and filters the information.1.2 Working principle1. When the project starts, load the filter from the Web container;2,

Filter VI, pixelate (pixel) filterPixel filter is mainly used to different extents of image processing, so that the image decomposed into the naked eye of the pixel particles, such as square, irregular polygons and dots, and so on, visually