C#

/// /// Obtain the first pinyin letter of a single Chinese Character/// /// /// Public static string getSpell (string cn){# RegionByte [] arrCN = Encoding. Default. GetBytes (cn );If (arrCN. Length> 1){Int area = (short) arrCN [0];Int pos = (short)

Reading the entire Excel file as a database String ExcelConnection = "Provider = Microsoft. Jet. Oledb.4.0; Data Source = {0}; Extended Properties = Excel 8.0 "; String ExcelFileConnection = string. Format (ExcelConnection, FileName );   String

If you do not use ref or out when declaring a parameter for a method, the parameter can have an associated value. This value can be changed in the method, but the changed value is not retained when the control is passed back to the call process. You

Mainly completed using System. Threading. TimerPlanning Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->/// /// Planning/// Public class Schedule {/// /// Whether to execute the command immediately/

For the specified type Extension Method: Definition class Class1:   Public static class Class1 // must be a static class and cannot contain Constructors{/// /// Return the length of the array separated by "$" in the specified string/// /// string

10-digit conversion and Matching Algorithm in parentheses: (if you have any bugs, please advise) 1: Convert decimal to other hexadecimal values, including binary, octal, and hexadecimal. 2: brackets matching algorithm, matching with corresponding

[References: Yan Weimin. Data Structure (c)] Expression evaluation is a basic problem in programming language compilation. Its implementation is a typical example of stack applications. After one day, we have a good algorithm to share with

In occasional project requirements, the application is required to read a piece of text, such as the verification code reading function. Here is a simple implementation. First, you must reference a class library SpeechLib. dll. The specific code is

1. Introduction to weak references In some cases, for example, when caching some big data objects, you may encounter a dilemma of memory and time. If you make large objects expire too quickly, each object creation consumes too much performance, on

Obtain the stream used to read application output. Namespace:System. DiagnosticsAssembly:System (in system. dll)Syntax C # public StreamReader StandardOutput { get; }    Attribute Value StreamReader, which can be used to read the standard output

During today's programming, we encountered a problem: loading two different forms in the same form area, displaying only one subform at a time, and being able to switch between the two subforms. The panel control is very simple to solve this

Using System;Using System. Collections;Using System. ComponentModel;Using System. Drawing;Using System. Drawing. Printing;Using System. Data;Using System. Windows. Forms;Namespace WeightSystem{Public class cutePrinter2{Private DataGridView

1 -- SQL UDF:23 create function [GetProjectID] (@ headStr nvarchar (10), @ date datetime)4)56 returns nvarchar (200)78910 BEGIN1112 -- insert into cannot be used in user-defined functions1314 -- insert into emos_cust (cust_name, dates) values (1516 -

C # Exception class 1. Exception of the base classC # exceptions II. Common exceptions1. SystemException class: this class is the base class of all other exception classes in the System namespace. (Recommended: exceptions caused by running in public

Standard controls 1 btn Button2 chk CheckBox3 ckl CheckedListBox4 cmb ComboBox5 dtp DateTimePicker6 lbl Label7 llb LinkLabel8 lst ListBox9 lvw ListView10 mT MaskedTextBox11 cdr MonthCalendar12 icn policyicon13 nud NumeircUpDown14 pic PictureBox15

C # For some default predefined attributes, see the following table: Predefined attribute Effective Target descriptionAttributeUsage Class specifies the effective usage of another attribute ClassCLSCompliant indicates whether the program element is

I did not find any information for multi-threaded download of FtpWebRequest on the Internet. I wrote one myself. The test results are as follows: // 1 thread downloads 133 M 18 seconds// 5 threads download 133 M 40 seconds // Download 133 MB for 12

When starting a program, we want the position displayed in the window to be in the center of the screen. You can set it as follows: MainForm mainForm = new MainForm (); MainForm. StartPosition = FormStartPosition. CenterScreen;MainForm. Show ();If

Create a "CookieContainer"WebBrowserThe Cookie is saved in it.// InWebBrowserInWebBrowser. Document. CookieCookieContainer myCookieContainer = new CookieContainer (); // String Cookie to be converted to Cookie type and put into CookieContainerString

1. Get Return Value  Program code// Stored Procedure // Create PROCEDURE MYSQL // @ A int, // @ B int // // Return @ a + @ B // GO SqlConnection conn = new SqlConnection (ConfigurationManager. ConnectionStrings ["LocalSqlServer"]. ToString ()); Conn.