C#

This two days finishing C # im development materials, suddenly found that Im interface is extremely to QQ, fetion,, rice chat close, cottage their style, even do exactly the same, recently the company is doing this thing, shape and QQ almost no

The first step, based on the installation under Windows, so download the Windows version of Ice, the latest version of the official website is Ice3.5.1:http://www.zeroc.com/download/installation complete You can see the second step of ice

1. The difference between elements and attributes: You can add child elements or attributes to an element, but not to attributes, and to transfer documents on the network without compression, the feature consumes less bandwidth.2. The Declaration of

///Date converted to UNIX timestamp/////////public Static Long Datetimetounixtimestamp (datetime datetime) { var start = new DateTime (1970, 1, 1, 0, 0, 0, datetime.kind); Return Convert.toint64 ((Datetime-start). totalseconds);} ///Unix

Public Static voidMain (string[] args) { strings = GetMd5 ("123"); Console.WriteLine (s); Console.readkey (); } Public Static stringGETMD5 (stringstr) { //Create a MD5 objectMD5 MD =MD5.

ObjectiveThis article is to talk about the null check problem we often do, from a simple null value to check any where, to the design pattern of the nullobjectpattern, and then to c#6.0 "may" provide the syntax, let's experience a language

I. Datasets, DataTable, DataRow, DataColumn1 "Adding a DataTable to a datasetDATASET.TABLES.ADD (DataTable)Instance:DataSet ds=new DataSet ();DataTable table=new DataTable ("Student Table");Ds. Tables.add (table);2 "Reading a DataTable from a

Use iframe and js in C # To Implement Asynchronous Image Upload Place the page for uploading images in iframe, use iframe to jump to another page, and submit the images to the server on this page without refreshing the homepage, after the submission

Build a local testing environment for the public platform that can be debugged and set up the PublicBackground: Recently, I was preparing a collaborative development open-source project NWechat. Before the project began, I had to prepare several

Double Type Precision Control of c #C # decimal precision In c #, if you want to retain a certain degree of precision for decimal places of the double type decimal places, you can use parameter restrictions when converting them into strings. The

C # multi-thread development 4: The Abort and ResetAbort methods of the thread The Abort method can be used to Abort a thread, while the ResetAbort method can be used to cancel the thread stop operation. The following example demonstrates the use of

The type cannot be created after ashx is deleted by mistake, and ashx cannot be created by mistake.Description Today, because of temporary issues, you need to take a trip to other cities, and the project is quite busy. So I can only continue Typing

MVC series Learning (9)-Use of DTO, mvc series learning-dto The database used for this study is as follows: That is, the data transmission object, the client communication of the server, automatically defines a small entity class, which only

How to Use the C # code to find whether a file is included in a path,   String path = "f :\\ haha"; if (Directory. exists (path) {MessageBox. show ("folder"); string filename = path + "\" + "CeShi. xml "; // be sure to add \ if (File. exists

Understanding and understanding of events A class or object can notify other classes or objects of related events through events. The publisher determines when an event is triggered, and the user determines the operation to be performed to respond

Brief description: C # packing and unpacking   Concepts: The value type and reference type are briefly described before packing and unpacking:   Value Type: original type (Sbyte, Byte, Short, Ushort, Int, Uint, Long, Ulong, Char, Float, Double, Bool,

Use C # to create a scheduled Task (How to create a Task scheduse use C #)Requirement: multiple background programs (winfrom, wpf, console, and so on) are run to update data in an indefinite period of time. Q: Why do I need to use a scheduled task

C # boxing and unboxing ),Directory: 1. packing and unpacking 2. deep understanding of packing and unpacking 3. int [] to object [], conversion from an array of value types to an array of Objects 4. Use generics to reduce packing and unpacking1.

Play C # speech recognition, In. NET4.0, I can use the System. Speech component to let the computer recognize our voice.   Above, when I say "name", show "Darren", I say "age", show "Forever 21 ". What should we do? First, enable the computer's

C # basic enhancement-delegate, Lamada expressions, and events (medium ), 2. Lamada expression C # There are two types of anonymous functions: the anonymous method and the Lamada expression. In C # versions earlier than 2.0, the only way to create a