.Net Core

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Http://download.microsoft.com/download/0/4/6/0463611e-a3f9-490d-a08c-877a83b797cf/msdnurlrewriting.msiUrlrewriter and actionlessform are included here. If necessary, you can rewrite them and introduce. dll into the project after compilation. First,

Redis is an open-source, high-performance Key-value storage engine. Recently, we used redis to replace the previous memcache on a website with a daily access volume of about 1 kW, successfully dropping the CPU from 30% to 15%, and the effect was

This article introduces Ext. Net_CheckboxGroup to check, select, invert, and restrict Code. It is nothing more than an operation on the properties and methods of the control object. It is worth noting that chk. suspendEvents () and chk. resumeEvents

The article will show you how to achieve the ultimate C # performance optimization step by step. Let's take a look at the parameters before and after my machine configuration and test the optimization performance. Today, I want to talk to you about

This article introduces a practical example to show you how to implement json array serialization and deserialization. If you need to know about json arrays, refer to this article. The Code is as follows: Copy code Using

ASP. NET binds the data to DrowdownList and decodes the data in HTML encoding for your reference. 1. Problem background During Web development, you need to verify and filter user input data to prevent injection attacks. A common method is filtering

1-Basic: browse a folder We know that in win32, a file system is organized in the form of a shell namespace. Every object in the shell namespace (Note) implements an IShellFolder interface, through this interface, we can directly query or indirectly

Model First is called "Model First". The Model here refers to "ADO. NET Entity Framework Data Model ". At this time, your application does not design related databases. in Visual Studio, we generate databases and Data classes by designing the Data

In the previous article, we mentioned that the "Code First" mode of Entity Framework can also be developed based on existing databases. Today, let's take a look at how Entity Framework Power Tools can generate data classes and databases based on

During this time, I made a small project to communicate with hardware equipment, involving scanning head, transmission line, weighing machine, labeling machine and other hardware. Communication with each device uses a serial port or a network

The DataAnnotation feature is introduced in. NET 3.5, providing a method for adding verification to classes in. NET. However, in EF, ing relationships can be controlled, which is easier to use than Fluent APIs. DataAnnotation is provided by the

The previous article introduced ValidationAttribute and IValidatableObject. validate verification, but this verification is a little simple. For complex entities, such as inherited entities and entities implementing an interface, simple verification

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It is very simple to use DataAnnotation. However, for the features in EntityFramework, EntityFramework assembly must be introduced in the Entity class. However, it is best to keep the POCO class unrelated to the architecture to make it more

1. Constraints A constraint is a rule for managing how to insert or process database data. DBMS is implemented by imposing constraints on database tables.Integrity of reference.  1.1 primary key A primary key is a special constraint used to ensure

DataUml Design supports database generation models and foreign key relationships. It can automatically generate relationships between classes based on foreign keys. Currently, DataUML Design supports MS Server, my SQL, Oracle, and Access databases.

First, let's briefly review how to use Code First. The first step is to first create an application on the console, and then add the Entity Framework through Nuget. The corresponding configuration will be added to packages. config and App. config at

Exercise C # on Sunday, enhance the application of the exercise for function, and find the odd number in the range of 1 to 10. Insus. NET remembered that it could be implemented in two ways, listing an example operation respectively.First, you can