C#

Reading settings in Web.config Conn = new SqlConnection (configurationsettings.appsettings["cnfriends.connectstring")); --> Several namespaces When a dataset is used, the using system is used. Data.sqlclient When web.config is

The following is the definition of the class. Using System; Using System.Web; Using System.Web.SessionState; Namespace QTJZ {public class Filters:ihttpmodule, irequiressessionstate {public void Dispose () {} public void Init

By uploading it to a virtual space, you can easily traverse through the various directories and contents of the service, or choose to download it. Hey, everybody don't use it to do bad things oh. This is used as a learning operation for all ASP.

In C # learning Diary---Character type I left a question: How to write a binary translator in C. Now I'm going to get rid of this sequela: #include int main () { printf ("Please enter a decimal number:"); int A; scanf ("%d",

Responsibility chain Mode: Enables multiple objects to have the opportunity to process requests, thus avoiding the coupling between the sender and receiver of the request. Link the objects together and pass the request along the chain until an

The example in this paper describes the method of C # for fast copying with pointers. Share to everyone for your reference. The implementation method is as follows: fastcopy.cs//compile-time use:/unsafeusing system;class test{//unsafe keyword

The examples in this article describe how C # implements screen copies. Share to everyone for your reference. Specific as follows: Method One: Using system;using system.collections.generic;using system.componentmodel;using system.data;using

Owning namespace: System.Collections.Generic public class list: Ilist, Icollection, Ienumerable, IList, ICollection, IEnumerable The List class is a generic equivalent class of the ArrayList class. This class implements the Ilist generic interface

Test url:http://www.mystudy.cn/web/index.aspx for this example 1. Get the URL of the current page through C # string url = Request.Url.AbsoluteUri; Result: http://www.mystudy.cn/web/index.aspx String host = Request.Url.Host;//Result:

This example describes the C # implementation of the method of converting JSON to a DataTable. Share to everyone for your reference. The implementation method is as follows: #region convert JSON to datatable//////convert JSON to datatable//////

///Convert List to DataTable////////// public static Da Tatable todatatable (this ilist data) {PropertyDescriptorCollection properties = Typ Edescriptor.getproperties (typeof (T)); DataTable dt = new DataTable (); for (int i = 0;

When the Web API writes API interface, the default return is to serialize your object and return it as XML, so how do you get it back as JSON, and here are two ways to do it: Method One: (Change the Configuration method) Locate the Global.asax file

SuperSocket entry (III)-detailed configuration of interaction between multiple Telnet service instances and service instances, and supersocket-telnetIn SuperSocket entry (2), we have briefly learned how to use BootStrap to start the SuperSocket

Summary on Calling C # HG_Interface.dll of Guangzhou Medical Insurance (external component exception ), At the beginning, I also encountered a strange situation. The dll provided by chuangzhi can only be in the UIWinform and WPFUsed on,WebForm, WPF,

. NET Assembly references the problem that the COM component MSScriptControl encounters. msscriptcontrol references Problem description: to execute the js script in C #, compile it on a target platform as Any Cpu. the MSScriptControl component is

Spring. Net closed service class focuses on WebService and issues, In a recent project, the title method is used, and Spring is used. net closed the service class into WebService for other places to call and use, it still feels quite fresh, so I

Reconstruction guide, zhangjin restructuring industrial valueWhen a method has more than three parameters, you can consider encapsulating the parameters into an object. Encapsulating a parameter into an object improves the readability of the code,

C # Study Notes 4, 1.C # only supports single inheritance. If you want to implement multiple inheritance. There are two methods: The first is to pass inheritance. Class A is the base class. Class B inherits from Class A and Class C inherits from

C # winform basics 1. Timer does not work 2. Set image transparency, 1. Set image transparency   This. pibox. BackColor = System. Drawing. Color. Transparent; // set the background to Transparent.This. pibox. Parent = lab_show; // set the Parent

C # Study Notes 1, 1.This attribute allows access to the program name and any parameters specified on the command line when the current process is started. The program name can (but is not required) contain path information. You can use the