.Net Core

2.2 add log4net Configuration

This blog post teaches you how to deal with asp.net's database connection permissions and authorize a connection pass. Encounter various problems and how to solve them.ASP.. NET Program, open the web. the config file shows the connection string

Windows 32-bit on the local computer. The following pop-up window appears after you use vs2010 F5 after IE10 is upgraded: Generally speaking, the script debugger cannot be attached and a debugger has been attached.I found this online. Many people

I read a lot of wonderful articles written in my blog. I can't help but want to write it myself, but the level is indeed limited. I have never known how to write it. It is not easy to write. You are welcome to make a brick.I have been doing

You may often encounter the function of generating thumbnails when creating a website, because thumbnails of different sizes may be used in different situations. The image generated in this article is square. Only the thumbnail of the square ensures

Question "How can I obtain a record if I have a DataTable?"DataTable: DataTable Dtable = Dtable. columns. add (, (Dtable. columns. add (, (Dtable. columns. add (, (Dtable. rows. add (, Dtable. rows. add (, Dtable. rows. add (,,} The following

  Problem description In the Ext environment, the traditional. net method cannot be used to download files. You can click the Download button without response or garbled characters. Cause Analysis Because EXT. NET performs operations on the

Main Code: MakeThumbnail (originalImagePath, thumbnailPath, width, height, = towidth = toheight = x = y = ow = oh =: toheight = originalImage. height * width/: towidth = originalImage. width * height/: () originalImage. width/() originalImage.

The problem is that the basic requirement is to sort the file rows in a specific order.To solve the problem, you first read all the lines of the text, analyze them, sort them, write them back to the text file. In the following example, Insus. NET is

Now that the project is over, you have to summarize your achievements. The summary will deepen your impression on the project. Here I will share some pictures of my work first. I hope you will appreciate it! Although the project is over, the next

1. JSON serialization and deserialization Newtonsoft. Json dll http://json.codeplex.com/ Using System; using System. collections. generic; using System. linq; using System. text; using Newtonsoft. json; namespace PlayJSON {class Program {static void

1. Setting cookies is simple. There are two methods:1. directly add the Cookie value:Response. Cookies ["userName"]. value = "Tom ";Response. Cookies ["userName"]. Expires = DateTime. Now. AddDays (1); \ expiration time, which cannot be viewed or

As you know, when developing an ASP. NET Website, each server control has its own ID. For better expansion in the future, let's take a simple look at this scenario: When we click a server control in the browser, such as a Button, the page is sent

To clarify a question, we must have a premise and some passing words. Just like talking about OO, we can understand the object-oriented language, and some object-oriented features; those who understand the design pattern will immediately know what

The GridView control has two text boxes. You can change the value of a text box to calculate the result instantly. Insus. NET lists a small example to demonstrate some functions.Create an object (class) first ): Create a collection on the webpage.

Address: http://www.daidaiwa.com/ArticleDetail/2013/9/1/16.html Baidu initially made a selection of "Editor", and there were many options available, including ckeditor, kindeditor, markItUp, and ueditor. At first, considering that ckeditor has many

ActiveX controls only support IE (it seems that FF can be supported by installing plug-ins), so the method of exporting word in js is quite limited. However, after the page is modified by js,. net cannot be obtained. Therefore, you need to use js

Some netizens asked "How does asp.net determine that a mobile phone number string contains three consecutive characters or three identical characters ?" :Insus. NET has done some exercises and shared the methods, hoping that netizens can learn from

[Bind (…)] Lists fields to exclude or include when binding parameter or form values to model properties When listing fields, exclude or include binding parameters or form model attribute values[Compare ("... ")] To compare two properties. Compare