.Net Core

The custom log record function allows you to easily record logs by day. 1. Define the Log Type Public enum LogType{Debug = 0,Error = 1,Info = 2,Warn = 3} 2. Add static LogHelper class Public static class LogHelper{Public static void Write (string

Assign the same attributes of an object (case-insensitive) to a new object. 1 public static T Mapper (S source) 2 {3 T = Activator. createInstance (); 4 try 5 {6 var s_type = source. getType (); 7 var t_type = typeof (T); 8 foreach (PropertyInfo

Autofac usage Summary Official autofac Website: Http://autofaccn.readthedocs.io/en/latest/getting-started/index.html As a popular ioc framework, autofac is necessary to understand. Here we will use two small cases to briefly describe how to use

C # copy the files in the folder to another folder, C # copy the files in the folder to another folder // Create a folder named var imgPath = Directory. GetCurrentDirectory () + "\ DevicePic1"; if (! Directory. exists (imgPath) {Directory.

Differences between TryAddEnumerable and TryAddTransient methods in. Net Core dependency Injection, . Net Core, each service added by dependency injection, is eventually converted into a ServiceDescriptor instance. ServiceDescriptor contains the

C # multithreaded programming (1) -- threads, thread pools, and tasks, A new multi-threaded programming series is introduced, which mainly describes multi-threaded programming in C. Multithreading can be used for two purposes: one is to prevent the

. NET to send mail,. net to send mail Note: You need to find "POP3/SMTP Service" and enable it, And then generate an authorization code. The generated authorization code is the password for login below. /// /// send email /// /// recipients

LindDotNetCore ~ Add a route prefix and a link prefix Back to directory The routing prefix is what we call the api in api/values. Here, the api can be represented by characters with other specific meanings, such as Shop, Order, and Game. It can

Spread for Windows Forms Quick Start (1) (reproduced), spreadforms Preface Spread for Windows Forms is the most powerful table control. It has a flexible and open object model and more than 50,000 APIs, allowing developers to customize almost all

The error code 0x800F081F and win100x800f081f are displayed when the. Net Framework 3.5 cannot be installed in Win10. If you reinstall Win10, you cannot install. net framework 3.5. You cannot download the offline installation package. Some people

Signalr specifies the Websocket Method for cross-Origin data transmission, signalrwebsocket   Cross-origin is commonly understood as the web service address behind two domain names, that is, they are all independent websites. In actual business

ASP. NET Web Forms-Repeater control, formsrepeater ASP. NET Web Forms-Repeater control. The Repeater control is used to display the duplicate list of projects bound to the control. Bind DataSet to Repeater control The Repeater control is used to

Copy codeThe Code is as follows:Session. Abandon ();Response. Redirect ("Login. aspx ");However, after clicking the browser, you can still return to the page just now. This is not acceptable. After searching for it online, many people have

Copy codeThe Code is as follows:Using System;Using System. Collections. Generic;Using System. Text;Using Discuz. Common;Using Discuz. Forum;Using Discuz. Config;Using Discuz. Entity;Namespace DiscuzIntegration{Public class Integration{Public static

Database Operations:Copy codeThe Code is as follows:/// /// Obtain the total number/// /// Public string getTotal (){StringBuilder sb = new StringBuilder ();Sb. Append ("select count (*) total from Test ");DataTable dt = DBHelper. ExecuteDt (sb.

When accessing Oracle, the client (or web Server) needs to install an Oracle client, which is a bit uncomfortable. SQL Server does not need to be used. MySQL can have at most one MySql. Data. dll. I have been searching for a relatively slim client

The number of daffodils: A three-digit integer. the cube and the number equal to the number itself are called the number of daffodils. There are four daffodils: 153, 370, 371, 407 (for example, 1 ^ 3 + 5 ^ 3 + 3 ^ 3 = 153 ). The code I wrote is as

1: When the command calls the stored procedure, if the output is dataset, the connection of the selectcommand command object should be pointed out first, otherwise the catch will be empty for a lifetime ..2: If the varchar field of the stored

The XslTransform. Transform method outputs the result to a string in two ways:Implemented through the System. IO. MemoryStream class.Implemented through the System. Text. StringBuilder class.The specific implementation method is as follows:Copy

ASP. NET 2.0 improves the Data Binding operation in the template. It simplifies the Data Binding syntax DataBinder. Eval (Container. DataItem, fieldname) in v1.x to Eval (fieldname ). The Eval method, like DataBinder. Eval, can accept an optional