C#

Class Adslhelper{Dialpublic string Connect (string connectionname, string user, String pass){String arg = string. Format ("rasdial \" {0}\ "{1} {2}", ConnectionName, user, pass);return Invokecmd (ARG);}Disconnectpublic string Disconnect (string

public class Jsonserializer {////JSON serialized/////< ; Typeparam name= "T" >//// public static string jsonstringserializer (T t) {DataContractJsonSerializer s ER = new DataContractJsonSerializer (typeof (T)); using (MemoryStream ms =

///entity class serialization deserialization class////// Public abstract class Entityclassxmlserializer {/////entity class serialized into XML string //// public static string toxmlstring (T entity) {using (MemoryStream

The key points are as follows: 1. Use of OpenFileDialog controlsWhat if you chose a local file by clicking the Select button?In particular, it is divided into the following steps: A, create a new WinForm form and draw the appropriate controls. B,

Here is an example of the KeyIndex column (type int) in table DT2 1, through LINQ to achieve int maxkeyindex = DT2. AsEnumerable (). Select (t = t.field ("KeyIndex")). Max (); LINQ syntax: Click to open link2, through the compute method to achieve

///Convert object to JSON string////////// public stat IC string scriptserialize (T input) {string _jsonstring = string. Empty; if (input! = null) {JavaScriptSerializer _serializerhelper = new JavaScriptSerializer ();

#region DataTable to Heavy/////DataTable to//// Need to go to the heavy datatable// based on which column to weight // public static DataTable getdistincttable (DataTable dtsource, params string[] Column Names) {DataTable distincttable =

This question is last week to go to the ocean company interview of a pen question, interview when the interviewer also asked, although prepared beforehand also answer on, but fundamentally say oneself still not quite understand. Just this two days

First, some things difficult to turn back At the outset, I have to name my position:. NET Java concurrent users, but more favored. NET. The reason is simple 1.NET language is more open, from open source protocols and specifications can be seen; 2.

If the Datarow.delete () method is called, the RowState property of the corresponding row is set to datarowstate.deleted. When the state of a row is datarowstate.deleted, we cannot normally access this line. If you need to retrieve the raw data that

Background: Determine if a variable is a format in ". Txt.doc.xls.ppt.pdf", and if so, perform the appropriate action. Method One: Use generics ReadOnly ilist fnames = new list () { ". doc", ". txt", " . xls", ".

C # Opens the file under the specified path ////Open the file under the specified path, such as Word, Excel, Dll, picture, etc. (provided that you have installed the software to open the program)//// eg:d:\test\ template 8.doc//eg:d:\test\

After writing the ASP. Net file upload, I feel this kind of upload still has a lot of flaws, so ... (Omit 10,000 words, no nonsense). I didn't use the traditional ASP. NET, and I chose the Open source ASP. The reason for this is simple, the new

In the previous article, we analyzed the ASP. NET routing system, and today we will briefly analyze how the ASP. NET Web API's routing system is implemented in a webhost manner. Or start with a simple instance. Create an empty WEBAPI project to

Original address: Click to open the link [ abstract ] This article describes the C # WinForm multithreaded development of the thread class library, and provides a simple sample code for reference. Windows is a multitasking system, and if you are

1, through the entity class to pass (can pass multiple parameters and get return value), the demo is as follows: Functions that need to be called in the thread: namespace threadparameterdemo{public class Functionclass {public static

Flexible Use of class methodsConstructor: constructor is a special method in the class. It mainly completes object initialization and the specified work when creating an object. In addition, the constructor method name and class name are the same

Lambda expression query experience: Use of IN and groupby, lambdagroupby Lambda In usage: Lambda expression query does not use the IN method. You can modify whether the in query array is included IN the set of the ing object: The following

Look at what the syntactic sugar in C #6.0 has done (part 1 ), Today, it's okay. I just got a preview of vs2015. Some time ago, the garden was also excited with these new syntactic sugar. Here we will look at what kind of IL will be generated?   I.

Part 1 to 10 Basic in C #, Reference page: Http://www.yuanjiaocheng.net/CSharp/csharp-partial-class.html Http://www.yuanjiaocheng.net/CSharp/csharp-Static.html Http://www.yuanjiaocheng.net/CSharp/csharp-Anonymous-method.html Http://www.yuanjiaocheng.