C#

Reflection definition: the ability to review metadata and collect information about its type. Metadata (the most basic data unit after compilation) is a lot of tables. When compiling an assembly or module, the compiler creates a class definition

1. The GridView does not have code to sort by PAGE: :1. Set AllowSorting to True, and the aspx code is AllowSorting = "True ";2. By default, there are 10 entries on one page. to modify the number of entries on each page, modify the PageSize. In the

The chain storage of a linear table is called a linked list. Features: the non-continuous and non-sequential Storage Structure on the storage unit. The logical sequence of data elements is achieved through the pointer link sequence in the linked

Using System;Using System. collections. generic; using System. componentModel; using System. data; using System. drawing; using System. text; using System. windows. forms; namespace _ 7_04 {public partial class Form1: Form {public Form1 ()

You can use the package module provided by VS to conveniently package and deploy the project. You can also perform registry operations during installation and deployment to enable software startup. The specific implementation is as follows: You do

There are two operators "is" and "as" to judge and convert types. The specific differences and usage are as follows:Is in the judgment of the type. Returns true and false. If an object is of a certain type or its parent type, true is returned;

Because the SDK must be developed based on the Development Kit. Therefore, you must call the SDK development interface of VC in C. And call the dynamic link library DLL file in C. C # There are two methods to call the dynamic link library. One is to

You can use GMail to send mail. It is said that G officially restricts the maximum number of contacts sent to a single email within one day. The Code is as follows: Namespace ConsoleApplication9 {class Program {static void Main (string [] args)

Unmanaged type in Wtypes. hUnmanaged C Language  Managed class name             DescriptionHANDLE                Void *             System. IntPtr        32-bitBYTE                  Unsigned char     System. Byte          8-digitSHORT                

A transaction is a series of operations performed as a single logical unit of work. A logical unit of work must have four attributes, called ACID (atomicity, consistency, isolation, and durability). Only in this way can a transaction be made. The

I. type conversion1. Implicit conversions 2. Explicit conversions 2. Enumeration 1. Defining Enum typename: underlyingType {Value1, Value2, Value3 ,....} The basic enumeration types include bytes, sbyte, short, ushort, int, uint, long, And

NO content is written, and comments are written on the code. 1/** // 2 // compare two data tables and return the comparison result table3 // comparison conditions:4 // 1. The two tables have the same structure;5 // 2. Both tables are sorted by the

A good friend who worked as a personal website a few days ago asked me if I could make a small tool. Instead of Manually restarting ms SQL and Apache2 services once. I spent an hour at the company secretly giving the first answer. the main idea is

/// /// Convert Chinese characters into pinyin (full spelling)/// /// Chinese character string /// converted pinyin (full spelling) string study.pctoday.net.cn Public static string ConvertE (string hzString){// Match Chinese CharactersRegex regex =

When God created the world, he made three diamond pillars and placed 64 gold disks in order from bottom to bottom.God ordered the Brahman to re-place the disc from below in order of size on another pillar. It is also stipulated that the disc cannot

Recently, we have been porting Fortran to C #. net, because Fortran is a language used for scientific computing, which uses a large number of arrays and most of its operations are read and write operations on arrays. And familiar. net Framework

The Code is as follows: System. Diagnostics. ProcessStartInfo Info = new System. Diagnostics. ProcessStartInfo ();// Set the external program nameInfo. FileName = "notepad.exe ";// Set the startup sequence of the program to test.txt.Info. Arguments =

After learning and using C # For so long, I have some experience and lessons to share with you. Here are some tips for C # development: 1. Name of the output variable. Requirement: Sometimes we may want to input the value of a variable along with

Recently, the project needs to study the import and export of Execl. This project generates another Execl from the data of one Execl, so I didn't use the database. -- Ps: It seems that Execl is also a database! Region ~  First, import Execl to

Because the program must communicate with the program developed by C ++, the communication data is the converted byte stream of the struct, therefore, C # Must be able to smoothly convert bytes into C # struct.   Define the C # struct