what is viewstate
Viewstate is a technology in ASP.NET used to save and restore data between pages in a web application. ViewState works by serializing the control state and data on the page into a string and storing it in a hidden field. This hidden field exists in the HTML form of every page that is submitted to the server. The use of ViewState is very simple, just set EnableViewState to true in the properties of the page.
Oct 09, 2023 pm 02:46 PM
Detailed explanation of viewstate usage
viewstate usage: 1. You can use the ViewState collection to store data; 2. You can use the indexer of the ViewState collection to retrieve data; 3. You can use the "ViewState.Clear()" method to clear data; 4. You can set the EnableViewState property of the page to false to disable ViewState.
Oct 09, 2023 pm 02:41 PM
Ajax in Yii framework: handle user interaction quickly
The Yii framework is a popular PHP framework that provides many conveniences for website development. Among them, Ajax technology is an important feature in the Yii framework, which can quickly handle user interactions. This article will introduce Ajax technology in the Yii framework and its application in website development. 1. What is Ajax technology? Ajax (Asynchronous JavaScript and XML) is asynchronous JavaScript and XML technology, which is a kind of asynchronous data exchange on web pages.
Jun 21, 2023 pm 07:46 PM
Some basic knowledge of Yii framework
Yii is a popular object-oriented PHP framework. Its full name is "YesItIs", which means "Yes, it is like this". It is designed to be efficient, fast, secure and easy to use, so it is widely used in the development of large-scale web applications. In this article, we will introduce some basic knowledge of Yii framework to help novices better understand this framework. MVC architecture Yii framework adopts a design pattern based on MVC (Model-View-Controller), which
Jun 21, 2023 pm 07:07 PM
Caching mechanism in Yii framework: improving application performance
In web applications, caching mechanism is one of the important means to improve performance. As a popular PHP development framework, the Yii framework also provides a powerful caching mechanism. This article will explore the caching mechanism in the Yii framework and introduce how to use this mechanism to improve application performance. 1. Caching Overview Caching is a mechanism that stores data in memory for quick access. In web applications, common caching strategies include: page caching, fragment caching, data caching, etc. Using caching avoids each request from the database or other
Jun 21, 2023 pm 07:03 PM
Permission control in Yii framework: controlling user access permissions
In web applications, security is crucial. To protect the confidentiality of user data and applications, access control is necessary. In many cases, users only have access to the resources or information they need. The Yii framework's permission management component provides a simple and effective way to achieve this. The RBAC (Role-BasedAccessControl) solution of the Yii framework aims to define access control as permissions that are both clear and flexible. The core of the RBAC program is in the application
Jun 21, 2023 pm 06:54 PM
Create a foreign language learning website using the Yii framework
With the development of the times and the continuous advancement of globalization, learning foreign languages ??has become an inevitable trend. More and more people are paying attention to foreign language learning and choosing online learning as the main way to acquire foreign language knowledge. Based on this background, it is particularly important to create a foreign language learning website using the Yii framework. Yii framework introduction Yii (pronouncedas "Yee" or [ji:]) is a high-performance PHP framework for developing large-scale Web applications. Yii adopts advanced MVC (Mo
Jun 21, 2023 pm 06:40 PM
Data paging in Yii framework: Optimizing data display effect
With the development of the Internet, the amount of data is becoming larger and larger, and the display and processing of data are becoming more and more important. Data paging is a crucial feature for some websites or applications that need to display data in pages. The Yii framework provides many tools to facilitate optimizing data display effects. Let's take a look at data paging in the Yii framework. 1. Basic concepts Paging refers to dividing data into several pages for display according to certain rules to facilitate users to browse and query data. Generally speaking, a paging includes page navigation and current page data display.
Jun 21, 2023 pm 06:24 PM
Create a social network website using the Yii framework
As an excellent web application framework, Yii is one of the first choices of many developers. Using the Yii framework can help us create a fully functional web application efficiently. In this article, we are going to explore how to create a social networking website using the Yii framework. 1. Choose appropriate tools and hosting platforms. Before starting to use the Yii framework, we need to pre-install PHP and MySQL on the computer. In addition, we also need to choose a suitable code editor, such as SublimeText or A
Jun 21, 2023 pm 06:19 PM
Debugging Tools in the Yii Framework: Profiling and Debugging Applications
In modern web application development, debugging tools are indispensable. They help developers find and solve various problems with their applications. As a popular web application framework, the Yii framework naturally provides some debugging tools. This article will focus on the debugging tools in the Yii framework and discuss how they help us analyze and debug applications. GiiGii is a code generator for the Yii framework. It can automatically generate code for Yii applications, such as models, controllers, views, etc. Using Gii,
Jun 21, 2023 pm 06:18 PM
Identity authentication and authorization mechanism in Yii framework: ensuring application security
As a popular PHP development framework, the Yii framework has high requirements for the security performance of web applications. Among them, identity authentication and authorization mechanisms are one of the key technologies to achieve the basic security requirements of applications. This article will focus on the identity authentication and authorization mechanism in the Yii framework, aiming to help readers better understand and use the framework to achieve application security. 1. What is identity authentication and authorization? Before introducing the identity authentication and authorization mechanism of Yii framework, we need to clarify two concepts: identity authentication and authorization. 1
Jun 21, 2023 pm 06:09 PM
Data association in Yii framework: implementing data relationships
Yii framework is an efficient and flexible PHP framework. It has many powerful functions, one of which is data association. Data association allows us to easily establish relationships between models, greatly simplifying development work. In this article, we will introduce data association in the Yii framework and how to implement data relationships. 1. What is data association? Data association refers to connecting data in different data tables in some way to form a certain data relationship to facilitate our data processing and query. In Yii framework, data association is through
Jun 21, 2023 pm 06:02 PM
Create an online store using the Yii framework
As a web developer, learning and practicing using the PHP framework is undoubtedly essential. Among many PHP frameworks, the Yii framework is an efficient, elegant, and secure framework with a wide user base. In this article, I will share how to use the Yii framework to create a basic online mall application. The application will have basic mall functions such as user management, product management and shopping cart functions. This application can be used as an introductory practice for beginners to learn the Yii framework. Install the Yii framework and start using Yii
Jun 21, 2023 pm 05:53 PM
Multi-language support in Yii framework: achieving internationalization
As globalization accelerates, more and more websites need to support multiple languages. As a widely used PHP framework, the Yii framework provides convenient multi-language support and can help us achieve internationalization more easily. What is multi-language support? Multilingual support, also known as internationalization (i18n), refers to the technology of using multiple languages ??on the same website. The best way to understand multilingual support is by comparing operating systems with multiple software languages. For example, you can use English, French, Chinese, etc. operating system languages. Then you
Jun 21, 2023 pm 05:48 PM
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