.Net Core

Entity Framework database initialization four policies: entityframework Policy 1: recreate a database if the database does not existDatabase. SetInitializer (new CreateDatabaseIfNotExists ()); Policy 2: Create a database each time an application

. Net reading Excel content. I encountered a problem during encoding today. The general description is to read a column in excel, These are file names, similar to a relational table, and then the code looks for the corresponding file. The

Csharp: asp.net Importing or Exporting Data from Worksheets using aspose cell, csharpimporting Using System; using System. data; using System. configuration; using System. collections; using System. collections. generic; using System. web; using

What if the memory required by Redis exceeds the available memory? We know that redis sets the configuration fileMaxmemoryParameter to control the maximum available memory size (in bytes ). When the required memory exceedsMaxmemoryWhat should I

Webapi documentation description-swagger, webapi documentation-swagger Recently, mvc + webapi is used to separate the front and back ends. APIs are provided to front-end developers in the background. In this process, a problem occurs: How does the

ExecuteScalar (), executescalarThe ExecuteScalar () method is used to execute a query and return the first column in the first row of the returned result set. All other columns and rows are ignored. If you want to determine whether a piece of data

Webserver [Real-Time query of weather conditions of the Day] and webserver weather conditions 1. What is webserver? Webserver is often used in daily life. During registration, you will receive A verification code and A text message when buying

. NET Core File System [3]: A physical file system built by PhysicalFileProvider, ASP. NET Core applications use the most specific physical files, such as configuration files, View files, and static files on webpages. the abstraction of physical

[Recommendation] elementary. NET programmers, you must know EF knowledge and experience,. net programmers ef knowledge Note: If the following content is not stated, EF6.0 and code first modes are used by default.Recommended MiniProfiler plug-in To

Asp.net handles pagination in one sentence, and asp.net returns pagination in one sentence. Rows is the number of rows passed by the client, and page is the page number. Passing parameters requires only two parameters. The local variables declared

Rookey. Frame DAL factory, rookey. framedal Yesterday I introduced the form verification function. Today I would like to introduce you to the room key. the data layer factory of the Frame framework, due to the Rookey. the Frame framework ORM is

Add ASP. NET Identity, asp. netidentity to an empty projectInstall the AspNet. Identity package Microsoft. AspNet. Identity. CoreIncludes core interfaces of ASP. NET IdentityMicrosoft. AspNet. Identity. EntityFrameworkEntity Framework provider of

For the question of inserting strings or special characters in string data, special characters in string data When we get a string in the background, for example, the content of the string is:

How to Use the My97 date control and My97 date Control Some netizens said they could not use the My97 date control. The Insus. NET can be used normally.Test in ASP. net mvc environment.Download the My97 date control package from the official

General Process System (using MVC + Easyui) (Yixue), mvceasyui I haven't written a blog for a long time. I used my spare time to write a general process system. I spent more than half a year preparing to write a series of articles for summarization.

Enumeration review, enumeration Namespace:SystemAssembly:Mscorlib (mscorlib. dll) Define an enumeration type Public enum Week {[Description ("Monday")] // enumeration Description Monday = 1, // set the enumerated member constant value [Description ("

C # obtain provinces and cities based on IP addresses, /// /// Obtain the province and city based on the IP address/// Public void GetAddressByIp (){String ip = "115.193.217.249 ";String PostUrl = "http://int.dpool.sina.com.cn/iplookup/iplookup.php?

EF architecture ~ Concerning the problem that many-to-many Relational Tables cannot be updated and inserted, ef Relational Tables Back to directory In EF, when we design a model, we will design many-to-many relationships. In EF, We will convert this

. Net dialog box and. net dialog box Dialog BoxYou can use div to displayAdd Please try again later too many bytes have been written Add: Background: flowDiv. Style. Add ("display", "none"); Not DisplayedFlowDiv. Style. Add ("display",

How to correctly use the SQL view and the SQL view in a multi-language ArchitectureProduct Positioning All products know that the support for multiple languages directly affects product positioning. If the cycle of a product is one year, you have to