Category：.NET
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Time：2019-11-20
Objective: use the latest version 3.0 of. Net core, with the help of httpclient and host domain name agent of this machine, to achieve network request forwarding and content acquisition, and finally display to the target client! Background: I am a novice in the field of core, and I don’t use core very much, so […]
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Time：2019-11-20
Recently, because the upper computer is used to interact with trio, in order to make the interactive programming convenient, the COM component of trio is used. Record it for your own use in the future, but also for your reference! Component download address (Baidu cloud disk): https://pan.baidu.com/s/15txpl-4mnxjrlwisamkuw 1. Decompress the file after downloading, and install […]
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Time：2019-11-20
Simple performance test of log4net and NLog in. Net core Compare the file write performance of log4net and NLog (. NETCORE environment). If there is any error in the code and configuration, please criticize and correct it. testing environment Development tool: Vsual studio 2017 15.3 Framework version:. Net core 2.0 Operating system: windows10 enterprise 1703 […]
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Time：2019-11-20
First, look at the instance code: I read the following XML yesterday. I haven’t read the similar format before. I read it in a rather stupid way and record it <?xml version=”1.0″?> <response> <srvver>1.0</srvver> <srvcode>000</srvcode> <payload> <param type=”XML” key=”data”> <![CDATA[ <Response> <Execution> < status code = “0” SQL Ou code = “0” description = “execution […]
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Time：2019-11-19
A-1：Excel template export It’s very simple. After uploading the excel template to the project, save its browsing URL (https://www.cnblogs.com/lxhbky/p/excelurl), and then: Window. Location. Href = “http: // localhost: 10086 / Yunxin / resources / busroute. Xlsx” // Excel browse path Or useAll right.
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Time：2019-11-19
Example Look at the example directly There is such an interface: Then there are three implementation classes: Then call in the main method: Up to now, the program can be compiled and run successfully. IPersonInterface modification All of a sudden, I wanted to add a new feature to all humans, for example, […]
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Time：2019-11-19
Preface Picture verification code is an indispensable function in our daily development. Recently, we have met this requirement in our work. So let’s share the implementation method to you. Let’s have a look at the detailed introduction. . net core 2.0 generate picture captcha Nuget package import: zkweb.system.drawing, as follows: The code example is as […]
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Time：2019-11-19
By Johnson ManoharTranslator: Tan Kailiang, editor: Huang HaoranProduct | CSDN (ID: csdnnews) Syncfusion excel (xlsio) library is a. Net excel library. It supports users to export data from various data sources (such as data table, array, object collection, database, CSV / TSV, and Microsoft grid control) to excel in a very simple way with C […]
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Time：2019-11-18
[recommend reading my latest core article, which is the most comprehensive introduction:C ා NETCORE ා web project ා Excel data export】 Nuget package that needs to reference npoi: npoi-v2.4.1 B-1: Excel data import — C ා get data: /// ///Excel help class /// ///Generic class ///Generic class集合 public class ExcelHelp where […]
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Time：2019-11-18
Question:You need to judge the selected content of the drop-down box column Item2 of datagridviewrow to see whether it matches the data column Item1 of a configuration table in the database.If two foreach loops are used for matching, the logic will be complex and it is easy to break only the inner loop and ignore […]
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Time：2019-11-18
Advantages of log4net Log4net is the next excellent open source logging component of. Net. Log4net is very powerful for logging. It can divide logs into different levels, output them to different media in different formats. Log information can be generated and output during the program running without human intervention, so that developers can find bugs […]
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Time：2019-11-18
premise It’s been 7 or 8 years since I started, I always want to make a set of beautiful custom controls, so I have this series of articles. GitHub：https://github.com/kwwwvagaa/NetWinformControl Code cloud: https://gitee.com/kwwwvagaa/net/winform/custom/control.git NuGet Install-Package HZH_Controls Catalog https://www.cnblogs.com/bfyx/p/11364884.html Use and effect Preparation Still use GDI + to draw. If you don’t understand, Baidu will do it […]
