... V_1,class yyy V_2)
8: ldc.i4.s 10
9: newobj instance void yyy::.ctor(int32)
10: stloc.0
11: ldc.i4.5
12: newobj instance void yyy::.ctor(int32)
13: stloc.1
14: ldloc.0
15: ldloc.1
16: call ...
25:
26: .class public auto ansi yyy extends [mscorlib]System.Object
27: {
28: .field public int32 i
29: .method public hidebysig specialname static class yyy op_Addition(class yyy x,class
yyy ...
M c dù chúng ta viết mã trong C# c quá tải toán tử như vậy, nhưng trình biên dịch
C# sẽ phải dịch ra ngôn ngữ trung gian IL để th c thi trên môi trường .NET. Đoạn
lệnh đã đư c biên dịch ra...
...
{
this._sName = name;
}
}
}
Mình không c nhiều thời gian nên cc bạn c thể tự tìm hiểu thêm, chú cc đến
Enumerator c a AttributeTargets.
Sử dụng Attribute tự t
ạo tương ... Ví dụ 3!
Creating Custom Attributes(tạo một Attributes)
* Lớp tạo Attributes
PHP Code:
/*
* Created by SharpDevelop.
* NetDevelop Co., Ltd.
* Author: Tuan Anh Nguyen Ngoc
* Date: ... Ngoc
* Date: 11/24/2006
* Contact Information.
* - Email: info.netdevelop@gmail.com
* - Handheld: +84 905 202 088
*/
using System;
namespace AdvancedDotnet
{
/// <summary>...
... generic type declaration. Like fields,
methods can be static (associated with and accessed through the class) or
instance (associated with and accessed through an object instance of the class).
Constructors
A ...
C: \WINDOWS\Microsoft.NET\Framework\v2.0.50727\csc.exe hello.cs
ã For Mono run mcs hello.cs.
ã For users of cscc, compile with "cscc -o <name>.exe <name>.cs".
Doing so will produce ... &
Overflow exception control
Expression Explanation
checked(a) uses overflow checking on value a
unchecked(a) avoids overflow checking on value a
22 | C# Programming
Chapter
24
A section "Entitled...
... nhằm để kiểm tra dầu
c thể tiếp t c chảy hay không và m_button thu c CBitmapButton để ta c
thể đặt cc bitmap lên button.
Do đó 3 mảng c kiểu là một c u tr c gồm ccc biến ‘in’ ‘out’ ‘nen’ ... nhận t c
động Click để đặt ống vào, mảng 1 chiều array2[5] hoạt động như một hàng
đợi. Một mảng 1 chiều array3[7] dùng để chứa tất ccc loại ống. Mỗi phần
tử c a 3 mảng này gồm ccc biến ... và trong chương trình ta c sử dụng phép gán giửa hai phần tử
c a mảng vì vậy ta xây dựng một lớp là CMang
class CMang : public CWnd
{
public:
CMang();
public:
BOOL flag;
CBitmapButton...
... FileStream(this.FullPath, FileMode.Open, Fi
leAccess
.Read);
///Create byte array.
Byte[] _oByte = new byte[1024];
///Create UTF8Encoding.
UTF8Encoding _oUTF8Encoding = new UTF8Encoding();
///while filestream ... declare.");
else{
///check file exists, throw exception if it isn't exist.
if (System.IO.File.Exists(this.FullPath))
{
///Create filestream with filemode open and fileaccess ...
///check file path. throw exception if is null or empty.
if(this.FullPath == null || this.FullPath.Equals(""))
///throw exception.
throw new Exception("Can not get content!...
... the OdbcDataAdapter with its associated OdbcCommand
and OdbcConnection objects. For Oracle databases, use the OracleDataAdapter with its
associated OracleCommand and OracleConnection objects. ... Provider
Database
Transaction
Command
ExecuteReader
Parameters
ExecuteNonQuery
ExecuteScalar
DataSet
DataRelationCollection
ConstraintCollection
DataTable
DataRowCollection
DataColumnCollection
Your
A
pplication
Figure 3.2 Another architecture of ADO.NET 2.0.
c0 3.indd ... instance or an object based on this class. Depending on your applications,
you can create a global connection instance for your entire project or you can create some
local connection objects...
... based on the real location in which you save your database.
D. The Connection object accConnection is initialized with the connection string and a con-
nection is executed by calling the Open() ... catch block should
be used for this connection operation to catch up any possible exception. Here we skip it
since we try to make this connection coding simple.
E. The facultyCommand object ... console window. A complete C# Console
project named QueryRefl ectionLINQ can be found in the folder DBProjects\Chapter 4
located at the accompanying ftp site (see Chapter 1 ).
c0 4.indd 17 5c0 4.indd...
... work is licensed under
the Creative Commons Attribution- Noncommercial- No Derivative Works 3.0 License. To view
a copy of this license, visit http://creativecommons.org/licenses/by-nc-nd/3.0/ ... translator.
The C source code presented in this document is hereby granted to the public domain, and is
completely free of any license restriction.
Educators are freely encouraged to recommend or supply copies ... after, you can use calloc() to do
that in one call.
I wish this section on calloc() were more exciting, with plot, passion, and violence, like
any good Hollywood picture, but this is C programming...
... source code to execute on a particular machine
ã compilation into machine-language object code
ã direct execution of source code by interpreter program
ã compilation into intermediate object code ... o. A car has a current speed and has a certain
amount of fuel inside it.
Speci c behaviour can also be associated with each object (things that you can do with it) :- a watch can be checked ...
automatically at the end of every month) and could discipline any doctor guilty of misconduct – of course this would be
true for other sta as well. More specically a manager could check that a doctor’s...
... System.Collections
namespace, and that I have also created a
Dictionary class within a
ProgCSharp.DataStructures namespace, there is no conflict because each exists in its own
namespace.
In ... read class metadata
using CLR types that support reflection.
Programming C#
p
age 3
Chapter 7 and Chapter 8 introduce Structs and Interfaces, respectively, both close cousins to
classes. ... for collections. Chapter 9,
explores the collection classes provided by the Base Class Library and how to create your own
collection types as well.
Chapter 10 discusses how you can use C# to...
... from an Access database.
Listing 1.2: OLEDBCONNECTIONACCESS.CS
/*
OleDbConnectionAccess.cs illustrates how to use an
OleDbConnection object to connect to an Access database
24
Mastering C# Database ... the
constructor
OleDbConnection myOleDbConnection =
new OleDbConnection(connectionString);
// create an OleDbCommand object
OleDbCommand myOleDbCommand = myOleDbConnection.
CreateCommand();
...
creates an OleDbConnection object, passing connectionString (set in the previous line of
code) to the constructor:
OleDbConnection myOleDbConnection =
new 01eDbConnection(connectionString);
Listing...
... namespace has been imported, the following example creates an
OleDbConnection object, passing connectionString to the constructor: OleDbConnection
myOleDbConnection = new OleDbConnection(connectionString);
Listing ... source=ORCL;user id=SCOTT;password=TIGER";
// create an
OleDbConnection object to connect to the // database, passing the connection string to the
constructor OleDbConnection myOleDbConnection ... OleDbConnection(connectionString);
// create an OleDbCommand object OleDbCommand myOleDbCommand =
myOleDbConnection.CreateCommand(); // set the CommandText property of the OleDbCommand
object to...
... development company (Ecosoft, Inc.) in 1977. The company ’ s main product
was a statistics package (Microstat) that he wanted to rewrite in a new language called C. Lacking a
suitable C compiler, ... C# 3.0 : an introduction to object oriented programming / Jack Purdum.
p. cm.
Includes index.
ISBN 978-0-470-26129-3 (paper/website)
1. Object-oriented programming (Computer science) 2. C# ... Objects 195
Collections 198
ArrayList Objects 200
Summary 203
Exercises 203
Part III: Writing Your Own Classes 205
Chapter 9: Designing Classes 207
Class Design 208
Adding a Class to a Project...