.Net Core

If you have modified ASP.. NET application (dll file), and modified the bin folder or Web. config File (Add/delete/rename file, etc.), and the web site is running, you may have noticed that this will cause the AppDomain to restart. All session

First, create a class that inherits from ActionResult. Remember to reference the System. Web. Mvc namespace as follows:Copy codeThe Code is as follows:Public class ImageResult: ActionResult{Public ImageFormat ContentType {get; set ;}Public Image

If you have a foresight, you will add a prefix to the table name and stored procedure name. For example, the Forum table name is BBS_xxx and the blog table name is BLOG_xxx; in this way, table sharding is easier. Speaking of this, you may think

There are thousands of versions on the Internet to answer this question. Of course, the cause of the problem is different and the solution is also different. Therefore, I do not rule out other solutions to this problem, however, these methods have

For more information, see the following flowchart. 1. Flowchart 2. Process description:Thread 1 requests the interface to obtain pieces of data. when the data is obtained successfully, the interface is idle. At this time, we start thread 2 to

Multi-threaded Environment In our product SE, there are two main categories of multithreading, one is to actively initiate multithreading through ThreadPool or new Thread, and the other is Socket communication callback.Multi-thread exception

C # type conversion and struct conversion often occur when C ++ dll is referenced.1. the Char type in C ++ is 1 byte, And the Char type in c # Is two bytes, which cannot be used. You can use the byte type in c #.2. structType temp = (structType)

1. Brief Introduction ID is the ID you specify during design. It is the programming identifier assigned to the control on the server. We often use this. controlid to find the control. Then, this controlid is the ID mentioned here.ClientID is the

It is to keep the Web Application running from the beginning to the end. Some people say why not use the Application? In fact, the Cache can automatically update data within a period of time, and the Application cannot do this. In addition, the

Copy codeThe Code is as follows: No title page Post

1) Front-endCopy codeThe Code is as follows: 2) Background Copy codeThe Code is as follows:Using System;Using System. Collections. Generic;Using System. Linq;Using System. Web;Using System. Web. UI;Using System. Web. UI. WebControls;Using System.

I personally like to use Repeater. Because of its conciseness, this AjaxPager is targeted to Repeater!Step by step:CodeCopy codeThe Code is as follows:[DefaultProperty ("TotalRecord "),ToolboxData (" ")]Public class AjaxPager: WebControl,

Method 1: Use the XML Control CodeCopy codeThe Code is as follows: XML method 1 Method 2: Use DOM technologyCodeCopy codeThe Code is as follows: method 2 of XML reading Method 3: Use a DataSet object CodeCopy codeThe Code is as follows: XML

1. display the enumerated values: 2. bind an enumeration to the drop-down box:Copy codeThe Code is as follows:GetEnumList (ddlBids );Void GetEnumList (DropDownList ddl){Foreach (EnumBidCardType s in System. Enum. GetValues (typeof (EnumBidCardType ))

1. Validator2. IsPostBack3. AutoPostBack. Automatically Post when the control leaves focus.4. Use the repeater control. : The Repeater control is easier to use than the previous version of asp.net. You only need Eval and do not need DataBinder. eval

Copy codeThe Code is as follows:Public class XVPage: Page{Static private DirectoryInfo _ Dir;Private DirectoryInfo Dir{Get{If (_ Dir = null){_ Dir = new DirectoryInfo (Path. Combine (AppDomain. CurrentDomain. BaseDirectory, "App_Data "));If (! _ Dir.

Aspx page and ascx User Control1. Create an ascx Control2. Add attributes to ascx3. Drag the control into aspx.4. Access properties by Control ID in aspx codeFor example: Left_Repassword1.HighLight = value;It also applies to accessing ascx on the

Note: You must have the write permission for the server-side Word documents you want to open. To enable iis, the webdav in the web service extension is allowed. Msdn: http://msdn2.microsoft.com/en-us/library/ms454230.aspxPrinciple: Create an ActiveX

This software has been used to input thousands of product data in one or two days. It can be seen that a lot of work is not done manually. As a programmer, it is to free up many people who often do repetitive and tedious work. The following is just

In a project, may use two types of data, such as ORACLE, MS_SQLSERVER at the same time to use, MS-SQL data generic class in many tutorials there are ready-made examples and code, but ORACLE is rare, however, this project is very useful and shared