.Net Core

Exception Handling Summary-back-end series, exception handling summary back-end EF, MVC 1. EF execution error ~ NotSupportedException Http://www.cnblogs.com/dunitian/p/4325036.html 2. UpdateException-error analysis when updating

EF cascading deletion, ef-levelIntroduction     If a Key is specified in the primary table and Required is specified in the subtable, a foreign Key for cascading deletion is not generated in the database. So how can we make EF generate a cascade

Use RadioButtonFor and mvcradiobuttonfor in MVC 1. initialize model. TypeState, 0, new {@ id = "radio2", @ name = "rdolstState"}) %> Enabled model. typeState, 1, new {@ id = "radio1", @ name = "rdolstState", @ checked = true}) %> disable Note: The

MachineKey operation-generating MachineKey and ssomachinekey for SSO applications in the application ClusterMachineKey Introduction MachineKey is used to encrypt and decrypt Forms authentication Cookie data and view status data. Generally, IIS

Ajax WebService access method, ajaxwebservice If you want to use ajax for access, first set it in web. config. Add under a node In this way, you can access it through a url. Otherwise, an error will be reported.   Then directly highlight the Code.

Get a developer license for windows store app (), license Developer licenses are free, and you can get as soon as you need so that all your test machines have one. if you get one or more developer licenses by using a Microsoft account, you must

[Asp.net 5] DependencyInjection project code analysis 4-Microsoft's implementation (I ), In the previous two implementations, many internal details are unknown. Microsoft's framework is also designed to block specific implementations, so we can only

Project Summary-MVC + MongoDB implements file upload and mvcmongodb During the project, we encountered video upload problems. Before the project is officially started, a simple Demo is provided to implement the video file in MVC. Upload, taking into

How to Use T [] or List in C, If a group of data needs to be stored, does it use T [] or select List ?   First, let's look at the array.   All Array types are implicitly derived from the abstract class System. Array, and System. Array is

[Tool] cleans Windows Installer redundant files (64-bit NT6.x system supported), installernt6.xAppearance: Supported systems: Windows NT 5.x/ 6.x 32 and 64-bit all systems. The. net framework 2.0 runtime environment is required.Function: Clear

A piece of code every day-Decorator pattern, decoratorpatternKnowledge Point Class should be open to the extension and closed to the modification.Case (This story is purely fictitious) On the morning of that day, Ruian just submitted the newly

Asp.net connection to Access through the configuration file This example describes how to connect asp.net to Access through the configuration file. Share it with you for your reference. The specific analysis is as follows: Here, the Database blog.

MachineKey operation-obtain MachineKey and machinekeyIntroduction to obtaining MachineKey Configure the MachineKey to encrypt and decrypt the Cookie data and view status data for Forms authentication, and use it to verify the non-process session

Web Service Server reference, webservice 1. Let's talk about the server reference first. First write a Web Service file Create a web project or website and add a new project Create a web Service The following page is displayed. Run and

Foreach's understanding First, what kind of data can be used to implement foreach? 1. Implement the IEnumerable interface. 2. GetEnumerable () is available.   Then, you can implement foreach traversal by implementing this interface or using this

Take a note every day-Observer pattern, observerpatternKnowledge Point Make the objects loosely coupled. The observer mode defines the one-to-many relationship between objects. The topic uses a common interface to update the observer. The observer

The odd tricks of web. config, web. config       External file db. config:     Specific format Notes1. if configSource is specified, the external files shall prevail. the node configuration under connectionStrings in config is invalid,

Debug Diagnostics Tool creates. Net exception dump and uses Windbg to analyze exceptions. diagnosticswindbg When we want to analyze exceptions in the iis prd environment and have no clue about the problem, we do not have the permission to directly

C # super simple Telnet (TcpClient) client, Based on Sockets Nothing to say, the code shows all1 using System; 2 using System. collections. generic; 3 using System. linq; 4 using System. text; 5 using System. net. sockets; 6 using System. IO; 7 8

. NET Framework object-oriented layered personal thinking,. net Object-Oriented Summarized as follows:   Public Layer Code is public and independent from third-party DLL and business logic   Logic layer 1. The code is public and related to