.Net Core

Unexpectedly large volume import data SqlBulkCopy class, mysql large volume import data Because we need to perform a small number attribution query function, because the SqlDataAdapter class is used to import external telephone attribution data

T4 code generation 2 in MVC development ---- vs template extension, t4 ---- In the previous article, I introduced the basic knowledge related to the T4 template in the Text Template-one of the four versions of code generated by MVC, and introduced

When saving data with EF, the following message is displayed: verification of one or more entities fails. For more information, see the "EntityValidationErrors" attribute ., For error details, see Error message: Solution: → Use try... catch to

Basic Introduction and example of Docker Docker has developed over the past few years. Particularly since the 2013 s, with the open source of an LXC-based advanced container engine, Docker has been well supported in both linux and windows, in

Example of asp.net core multipart Upload File, asp. netcore After writing the asp.net multi-File Upload, I feel that this upload still has many defects... (10 thousand words are omitted, not nonsense ). I chose the open-source asp.net core instead

Asp.net core mvc analysis: mvc action selection, coremvc After an http request comes in, first find the most qualified IRouter by matching the routing rules, and then call IRouter. routeAsync to set RouteContext. handler, and finally give the

. NET synchronous and asynchronous vigilance closure (10),. net This article continued:. NET synchronization and Asynchronization of atomic operations and spin locks (Interlocked, SpinLock) (9) At this point, the conventional operations (Common

Add an alias to a field in linq, and add an alias to a field in linq Linq is a form that we often use in queries. For example, we create a class, and then List and bind it to the table.Public class Modeltest {string id; public string Id {get

C # synchronous and asynchronous understanding, including await and async in 5.0 (learning notes ), Previously, I used a synchronization thread, that is, the load event first written into the image, and then processed the database call in it. Later

Entity Framework 4.1: bypasses EF query ing, entityframework Original article name: Entity Framework 4.1: Bypassing EF query mapping (8) Address: http://vincentlauzon.wordpress.com/2011/04/21/entity-framework-4-1-bypassing-ef-query-mapping-8/We can

Brief Introduction to ASP. net mvc page redirection, asp. netmvc Page redirection in asp.net: Server. execute ("m2.aspx"); after the server saves the data from this page to the previous one, It redirects the page to m2.aspx for execution, and then

. NET excel export method,. net excel Export // ExportPrivate string outFileName = ""; Private string fullFilename = "";Private Workbook book = null;Private Worksheet sheet = null; Private void AddHeader (string [] dt){Cell cell = null; Int col =

Use VS Code to develop and Debug. NET Core 1.1 and. netcore from scratch Use VS Code to develop and Debug. NET Core 1.1 from scratch. You can develop and debug a. NET Core 2017 application without installing VS 1.1 RC. . NET Core 1.1 has been

Asp.net allows you to download server files to your local computer and asp.net files. 1. Description The file download box is used to download files on the server to a specified local location. Specify the Server File Path // Server file path

JSAPI payment callback, message JSAPI payment callback In the payment process, after the user successfully pays, the relevant payment result and user information will be sent to the merchant, the merchant needs to receive the processing and return a

Differences between general processing programs, ASP. NET, and MVC, asp. netmvc I am a bit ashamed of this question. I want to learn ASP. NET WebForms in college. During the internship, I also used WebForms to develop websites. Then I felt that. NET

. NET method summary for obtaining the current path,. net current path Summary The following describes how to obtain the current path using. NET (including ASP. NET/WinForm ). // Obtain the complete path of the current process, including the file

Cutting edge MVVMLight 2: Description of Model, View, ViewModel structure, and global View Model injector, mvvmlightviewmodelIn the previous article, we have introduced how to use NuGet to apply MVVMLight to our WPF project. This article describes

. NET synchronization and Asynchronization locks (Lock, Monitor) (7), lockmonitor This article continued: background knowledge about. NET synchronization and Asynchronization (6)   As mentioned in the previous article, locking is a typical way to

JSAPI payment and the pitfalls encountered First, we will introduce that weixin. senparc SDK is used to call the payment interface. It is very convenient to use an open-source Development SDK. Weixin. senparc SDK Official Website: