Select XML nodes by attribute value [C #]

This example shows how to select nodes from XML documentBy Attribute Value. Use MethodXmlnode. selectnodesTo get list of nodes selected by the XPath expression. Suppose we have this XML file. [XML] JOHN Susan David To getAll Name

C # Get the file size

Of course, the system. Io namespace must be introduced. First: Public static long getdirectorylength (string dirpath){// Determine whether the specified path exists. Exit if it does not exist.If (! Directory. exists (dirpath ))Return 0;Long Len = 0;

Share C # code for XML and entity serialization and deserialization

This article will share with you how to use C # To implement XML and entity serialization and deserialization functions. Class provides us with our own object serialize and deserialize XML methods, which can be serialized:Public read/write fields or

Binary Search and trigger search algorithm C #

The first is the binary search method, time complexity O (2log2 (N )): Static bool find (INT [] sortedarray, int number){If (sortedarray. Length = 0)Return false; Int start = 0;Int end = sortedarray. Length-1; While (end> = start){Int middle =

C # embedded excel, winform embedded ecxel,. Net embedded excel, winform open excel, webbrowser open Excel

  Recently, the winform application was developed, involving the embedding of Excel files. Technical verification is also coming to an end. You need to sort out the help documentation .. Open excel with the webbrowser control. /// ////// Public

C # Picture board! (The source code has been posted, and other posts in the blog are posted. Please do not kneel down, sweat !)

A simple graphic board is implemented in C #. The function has not been completed yet. Test download. Recently, it was too busy. The course design was one by one. The graphic Board compiled last year has not been changed yet. Just join

C # Use of webbrowser proxy

  The webbrowser control is just an embeddded IE control, I believe any settings in IE, like the proxy settings, are honered just the same as they are in IE. You can change the proxy with internetsetoption method from the wininet. dll, here is a

C #) Common Excel format operations

Range. numberformatlocal = "@"; // set the cell format to text. Range = (range) worksheet. get_range ("A1", "E1"); // obtain multiple cells in Excel. In this example, the table is used as the Excel header. Range. Merge (0); // cell merge

C # obtain the current path using winform

// Obtain the base Directory of the program.System. appdomain. currentdomain. basedirectory// Obtain the complete path of the module.System. Diagnostics. process. getcurrentprocess (). mainmodule. filename// Obtain and set the fully qualified

Analysis of C # Plug-in program development experience

I found plug-in-type programming materials on the Internet. I learned from other people's documents and found my own opinions. However, due to my limited level, it may not be of reference value, on the one hand, I want to summarize myself and

C # program running process

Step 1: Enter static void main () Part 2: run application. Run (New form1 () in static void main (); construct the form in the middle.2.1 run private system. componentmodel. Container components = NULL. The Container class is the default

C # interval between JS fetch

/// /// calculate the interval between two dates /// /// the first date and time /// Second Date and time /// private string datediff (datetime datetime1, datetime datetime2) {string datediff = NULL; timespan ts1 = new timespan

Differences between hashtable and hashmap in C #-very detailed;

The difference between hashtable and hashmap in C #-For details, refer Http://www.hd1204.com/article/html/1655.htmlthank you for your reference; Hashtable is widely used. hashmap is a class used to replace hashtable in the new framework. In other

C # handle delegated events and custom events

I. C # Delegate class A delegate is similar to a function pointer, but a function pointer can only reference static methods. A delegate can reference both static methods and instance methods. Delegated use is divided into three steps: 1. Delegate

C # bit operations and Examples

In C #, you can perform logical operations on integer computing objects by bit. The meaning of logical operations by bit is that each bit of the object to be operated is obtained in sequence for logical operations. The logical operation result of

C # ilist

Lists and arrays implementIlist. This interface is an alias action that allows list types to be used with through a single reference type. with it, we can create a single method to receive an int [] or a list .Example First, with the ilist generic

C # basic socket programming

The sample program is a synchronous socket program. The function is very simple, but the client sends a message to the server, and the server returns a message to the client. Here is just a simple example, which is the most basic socket programming

Vs using C # To develop application debugging

Entry Suppose you are a programmer with A. NET platform and use Visual Studio as a development tool. Breakpoint: The simplest method is to set a breakpoint. When the program is executed, it is automatically interrupted and enters the debugging

A simple remoting example in C #

After looking in vain for an easy example to understand the basics of remoting, I decided to write one myself. I found one or two useful articles, but they had syntax errors and left a lot for the reader to fill in. my example needs no tweaking and

C # Attribute usage memo

using System;using System.Collections.Generic;using System.Linq;using System.Text;namespace MyFirstAttribute{ class Program { static void Main(string[] args) { System.Reflection.MemberInfo info=typeof(TestClass);

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