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1.1.1 Abstract Factory encapsulates the creation of data operation class instance, and then DBSession calls abstract factory to modify DBSession CZBK.ItcastOA.DALFactory data session layer calls data layer can not be directly new, you need to encapsulate decoupling   1.2.1 CZBK.ItcastOA.DALFactory add abstract factory class AbstractFactory 1.2 ...

http://www.cnsendblog.com/index.php/?p=137GPS platform, website construction, software development, system operation and maintenance, find Senda network technology!http://cnsendnet.taobao.com In the past, when WebForm was used, the drop-down box only needed to bind the code directly in the background. Now let's take a look at the DropDownList ...

When editing a document, you can quickly change some characters or paragraphs that need to be modified by finding and replacing them. In this article, you will learn how to replace a specified text string in a document with a Word document, picture, or table. The key points of the example are as follows: Replace text in Word with a document R ...

This time, the goal is to implement caching by labeling Attribute s, streamline code, and reduce code intrusion into business code. Cached content is the summary content of Service queries, without other high-level functions, to improve the response speed of multiple queries in a short time, and to properly reduce the pressure on the database. ...

This article describes how to enable CORS in ASP.NET Core applications. Browser security prevents web pages from sending requests to other domains rather than serving them. This restriction is known as the same origin policy. The same source policy prevents malicious sites from reading sensitive data from another site. Sometimes, you may want ...

C# All runat="server" controls will cause the entire interface to refresh, if you want to achieve partial refresh, you can use ajax. The controls that need to be added are ScriptManager and Update Panel, which can only refresh the contents of Update Panel.AJAX has been encapsulated in a control in C# and can be easily implemented in a ...

Download Rotaiva Tool = NuGet package manager = NuGet package management solution Search for Rotativa.AspNetCore on the open page as follows:     Check the record in red box, all the projects in your solution will appear on the left, click on the installation to add the project, and the version number will appear after the installation is ...

Background:Provide a simple web page temporarily for others to browse some data in the database (Oracel, MSSQL) and export Excel.Support adding or modifying sql at any time in the configuration file.   Realization:Store sql statements and other information in an xml file. The front-end page provides a drop-down box to select different types o ...

There is automatic injection function in java spring, which makes the code more concise and flexible. So I want to transplant this function into c #, and then I will analyze the implementation process step by step. 1. Scenario analysis using automatic injection In asp.net mvc, no matter what code logic layers, the final performance layer is t ...

RBAC Role-Based Access Control (RBAC) is a role-based access control framework. It is very convenient to manage privileges through user-role-privilege association. What is it? RBAC Please do it yourself. Baidu. Thank you for your support. If there are any mistakes in the article, please contact me or email me linjie.rd@gmail.com. A small gift ...