.Net Core

Json formatting of the ABC getting started series, and the ABC getting started json After finishing the paging function, we are not eager to implement new functions in this section. To briefly introduce the use of Json In the Abp. In this section,

. NET can be null type [Nullable ] implementation principle,. netnullable To enable the value type in. Net to be assigned null, Microsoft has added the Nullable type, which can also be abbreviated as T ?. But Nullable itself is a struct and a

ASP. NET uses ajax to implement partial page refreshing and ajax page Functions It is very easy to implement pagination in the listview list. The pagination of ListView is very simple. Add a DataPager control and grant the ListView ID. This is what

ASP. NET Core: CMD command line + notepad create Console program and Web Application, coreconsole Today I read Scott's introduction to ASP. NET Core introduction video, found that using command line step by step to create a project, add Package,

Use the COM component to write values to WORD bookmarks and word bookmarks. Using System; using System. collections. generic; using System. text; using Microsoft. office. interop. word; using System. windows. forms; using System. IO; using System.

The MVC4 user closes the browser and updates the user logon status. The mvc4 user logs on. Front-end code:   Function RunOnBeforeUnload (){// Change the user logon statusVar currUser = getCookie ("UserAccount ");$. Ajax ({Type: "post ",Url:

Solution: The owin. Environment item cannot be found in the context, and the USB flash drive solution cannot be found. After the website is published to the virtual space, the following error is displayed: The owin. Environment item cannot be found

Win10 UWP Development Series: Develop a custom control-AppBarButton and win10appbarbutton with digital badges A recent project has such a requirement. There are several appbarbuttons at the bottom of the article browsing page, one of which is the

ASP. NET exporting word instances and asp. netword instances ASP. NET export word instances Recently, I encountered a question about how to export data to word in asp.net. Because the data is dynamic, I need to spell out the desired format in the

ASP. NET 4.5 has not been registered on the Web server. You must manually configure the Web server to use ASP. NET 4.5 so that your website can run correctly ., After windows 10 is used to install VS2012, the following error occurs: vs2012 aps..

In EF, the update operation ID is auto-incrementing but not the primary key. Partial attributes of the object are updated based on ViewModel. efviewmodel // ID auto-increment, but not the primary keyPublic int Update_join (TEntity entity) where

Abstract classes realize polymorphism and abstract class Polymorphism  　　 I. What is polymorphism? Multiple forms: different objects make different actions for the same operation.   Ii. Notes for abstract classes 1. abstract classes are modified

Comparison of DapperPoco and petapocodapperWhy repeat the wheel? I am not satisfied with the existing wheels in some aspects. Let's review them one by one. Welcome to make a brick.Entity Framework I like the framework of the usage method with no

Ef curd operation, efcurd operationEf curd operations The database Northwind,: https://northwinddatabase.codeplex.com/  Add 1 /// 2 /// Add 3 /// 4 /// 5 public static int Add () 6 {7 using (var db = new NorthwindEntities () 8 {9 var customer =

Katana's WebAPI integrates the Swagger solution. The blog written by this eldest brother is very clear and I will not repeat it. Http://www.cnblogs.com/caodaiming/p/4156476.html Troubleshooting Http://blog.csdn.net/goldenfish1919/article/details/

[WPF] layout in VisualBrush, wpfvisualbrush Insert an article today. Let's talk about a layout problem we encountered last Friday. The problem is probably like this: you need to add a transparent background image to a fast area. because the area is

Asp.net System. Guid ToString format, Reference: https://msdn.microsoft.com/en-us/library/97af8hh4.aspx Test code: using System;using System.Collections.Generic;using System.Linq;using System.Text;namespace GuidToString{ class Program { static

Asp.net core mvc implements pseudo-static functions, coremvc In large website systems, to improve system access performance, some infrequently changed content is often published as static pages, such as the product details page and news details page

The Winform control SaveFileDialog is used to save files. SaveFileDialog is used to save files for your reference. The specific content is as follows: 1. Create a Winform application named SaveFileDialogDemo. 2. Add a button control on the interface

Visual Studio 2017 official version releases what are the new features of the Mac edition? The long-awaited Visual Studio 2017 official version, a software development tool released by Microsoft, is coming soon. What are the official release times