By default,. Net has a high security level. It will detect the characters in the form submitted by the user.If this character is entered, an error is returned:
A potentially dangerous request. form value is detected from the client (".
Solution
Today we will introduce the namespace of isline. httpcontent. httpcontentprovider:
This provider encapsulates operations on cache, session, and cooike. There are three main classes in this space: cookieprovider, sessionprovider, and cacheprovider.
I have long been thinking about writing a general underlying framework. After all, I usually do a lot of work and I am not satisfied with the project's adaptability by using a third-party framework, therefore, it is better to take the time to write
Ii. Meta-data driver
In the previous chapter, I introduced the hippo System in the general direction and started from this chapter.
To better organize the system structure, all basic information is extracted and stored in the database. This
ASP. NET provides three main forms of cache: page-level output cache, user control-level output cache (or segment cache), and cache API. The advantage of output cache and fragment cache is that it is very easy to implement. In most cases, it is
ASP. NET (get and post comparison)
First, let's review the previously learned HTTP protocol.
There is a connection here. The Browser needs to request the server to create a connection. After the connection, it sends a request and the server
The global. asax file is sometimes called an ASP. NET application. Program File, provides a way to respond to application-level or module-level events at a central location. You can use this file to implement application security and other tasks.
I would like to share with you today that "C # Asp.net uploading images and adding texts with watermarks" has no technical content and I have not installed 13, but I still hope to repost it with the author and source. Thank you!
Image
• Events can be triggered when processing requests.
• Allows any number of HTTP modules to process events, which is similar to the ISAPI filter of IIS.
• Delegate the task of rendering the requested resource to HTTP for
The website was uploaded to a. Asa file, and its suffix was changed to. rar, which then escaped my simple suffix judgment.As a result, the website is infected with Trojans. Fortunately, it is not difficult. Now the real file type has been added and
Role of the global. asax file:1. Define application-level and session-level variables, objects, and data;2. Events defined in Application Based on application and session;
Define application and session-level variables:Use the application object
ASP. NET provides three main methods for capturing and responding to errors when an error occurs: page_error event, application_error event, and ApplicationProgramConfiguration file (Web. config ).
If you do not call server. clearerror or capture
If you have more experience in object-oriented development, skip the following two steps:The first step is to master a. NET Object-Oriented language, C # Or VB. NET.I strongly oppose learning ASP. net on the premise that I have never systematically
I. Upload and play audio files
Find a third-party control named aspnetpager on the Internet and reference the aspnetpager. dll file to the bin of the project. It can be called directly on the webpage. Reference namespace using telerik. webcontrols;
After ASP. NET 2.0, you have a set of Logon credential and authority. (Please refer to the article "Certificate and authority of ASP. NET (motion picture description )])
The password set by the parameter must be a combination of English and
ASP. NET Ajax getting started series: custom exception handling (conversion)
When updatepanel controls are asynchronously updated, if an error occurs, an alert dialog box is displayed by default, which is unfriendly to users, this article describes
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