.Net Core

C # things, Run ADO. the. NET transaction contains four steps: ① call the BeginTransaction () method of the SqlConnection object. (open the database connection before calling this method only. Otherwise, an exception will occur) create a

Quick Development Platform-Implementation of document signatures and Custom reports, quick development platform signaturesPreface Recently I made an e-government project, where I used document signatures and Custom reports. These two features are

C # Execl, Using System. IO; using System. text; namespace iLIS. common {// /// generate Excel document content /// save to workflow /// public class ExcelDocumentx {private readonly StreamWriter _ streamWriter; public ExcelDocumentx (Stream

Jsp and jsp tutorials Dynamic Website advantages: 1. Interactivity: The webpage dynamically changes and displays content based on user requirements and choices. 2. Automatic update: The page content is automatically generated without changing the

Ii. add, delete, modify, and query MVC3 and EF single tables The document table is used as an example to write data to the static class NorthwindDataProvider: Controller can be called directly: for example 1 // obtain all data in the document Table 2

3. add, delete, modify, and query the gridView. 1. Add or modify a data record 1.1 add or modify button 1 2 @ Html. devExpress (). button (settings => 3 {4 settings. name = "btnUpdate"; 5 settings. controlStyle. cssClass = "button"; 6 settings.

Lambda and javalambda expressions Since C #3.0, you can use a new syntax to delegate the implementation code to Lambda expressions. Lambda expressions can be used whenever there is a delegate parameter type. Lambda expressions have simpler syntax

C # FTP upload/download (1 ),  Build an FTP server We have recently implemented this function: uploading and downloading FTP servers, collecting some information, on the c podcast, I saw an article well written by the author nicknamed "silly girl

Use openXML to export excel and openxmlexcel without plug-ins The comments are very detailed. If you have any questions, please ask. Using System. IO; using System. text; namespace iLIS. common {// /// generate Excel document content /// save to

Use Mvc ef code first, mvcef There are a lot of ways to use ef code first on the Internet, which is messy. below is my own summary. please correct me if there is anything wrong. I am a newbie! 1. Create a class library = reference and right-click

Summary of Mvc underlying layer: mvc underlying layer Review MVC base-level access dependency interface programming ideas       The idal interface inherits the content in the base interface (adding, deleting, querying, and modifying the content

Introduction to WPF and introduction to wpf Components WPF is the abbreviation of Windows Presentation Foundation ".WPF is a new-generation Microsoft Graphics system running in. NET Framework 3.0 and later versions. It provides a unified description

DotnetCore Installation Introduction, dotnetcore Installation Microsoft's DotnetCore has been released for some time. We are very concerned about what it can bring to us and what we can do through it? To solve these problems, we need not only a

ASP.net jQuery calls webservice to return json data, jqueryjson During the winter vacation, I tried to use jQuery to write several asynchronous request demos, However, this is a common webform page. Generally, most WebServices are used. Recently,

. Net development journey (the feeling of a young and frivolous programmer),. net young and frivolous High-end atmosphere. At that time, I was a junior high school student and I described the job as a programmer. At that time, although the hacker

Internal class, java internal class The internal class is the class defined inside the class ......Internal class access features1. The internal class can directly access members of the external class, including private...2. To access members of an

Cross-site request forgery (CSRF), csrfforgery CSRF (Cross-site request forgery) Cross-site request forgery, also known as "One Click Attack" or Session Riding, usually abbreviated as CSRF or XSRF, is a type of malicious use of websites Attack steps:

MVC-specific Routing Mechanism and MVC-specific Routing MechanismReview: How are traditional routes provided? We know that the route data that is finally matched is stored in RouteData, while RouteData is typically encapsulated in RequestContext.

C # weather forecast, This article uses a complete example to explain how to implement the weather forecast function by accessing the APIS provided by China weather network. Knowledge points for implementing the weather forecast function: Weather

C # solution to the Session loss problem,Solution to c # SESSION loss When we use C # To develop programs, we often encounter unstable sessions and data loss. The following is a solution for Session data loss.1. In the WEB. modify the SESSION state