· *bbs表*/
if exists(select * from sysobjects where id = object_id('BBS'))
drop table BBS
gocreate table BBS
(
id int identity primary key ,
RootID int default 0 not null , --根ID
FatherID int default 0 not null , --父ID
Layer tinyint default 0 not null , --层
OrderNum float(53...
· Introduction
Reflection is ability to find information about types contained in an assembly at run time. Prior to .NET languages like C++ provided such ability in a limited sense. .NET provides a whole new set of APIs to introspect assemblies and objects. All the APIs related...
· Every .NET Framework base data type (Int32, Int64, Single, Double, and so on) contains a Format method and a ToString method that return a string-formatted representation of the original value. The Format method provides several formatting options and the ability to dynamical...
· http://msdn.microsoft.com/library/dotnet/cpguide/cpconstandardnumericformatstrings.htm(这个是连接url)
Standard Numeric Format Strings are used to return commonly used numeric string types. They take the form X0, where X is the format specifier and 0 is the precision specifi...
· http://msdn.microsoft.com/library/dotnet/cpguide/cpconpicturenumericformatstrings.htm(直接的连接url)
If the built-in formatting strings do not provide the type of formatting you require, you can use picture format strings to create custom string output. Picture format strin...
· The DateTime data type also contains a Format method and a ToString method that return a string-formatted representation of the original value. The Format method can be used to format a value in one of fifteen common ways, while the ToString method can only be used to format ...
· The Parse method converts a string that represents a .NET Framework numeric base type to an actual .NET Framework numeric base type. It takes the following forms, where XXX is the name of the numeric base data-type class:public static XXX Parse(String s);
public static XXX Pa...
· testform.cs
------------------------------------------------------------
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Net;namespace testagain
{
/// <summary>
/// Summary descr...