C# Bible 2002 phần 1 pdf
C# Bible 2002 phần 1 pdf
... When you define your variable
in your C# code, you must give the variable a type. Table 3 -1 describes some of the basic C#
variable types.
Table 3 -1: Common C# Data Types
Type Description
sbyte ... of the pieces fit together to construct a complete C# application.
Readers approaching C# with a background in C++ will find C# very familiar. C# was built
with C and C++ in...
C# Bible 2002 phần 2 pptx
... Complement Operator
class MyClass
{
public static void Main()
{
int Int1;
Int1 = 12 3;
Int1 = ~Int1;
}
}
Prefixing increment and decrement operators
The postfix operators ... ranging from 0 to 18 ,446,744,073,709,5 51, 615 .
If the literal is suffixed with an uppercase or lowercase L, the decimal literal is considered a
long type:
long MyVariable = 12 5L;
If th...
C# Bible 2002 phần 3 pot
... Listing 6 -11
to the application you just
created.
Listing 6 -11 : Overriding Methods by Inheriting the Book Class
class Wiley : Book
{
new public string Title()
{
return " ;C# Bible& quot;; ... of 10 0, the value of the value keyword in the set
accessor will be 10 0.
The set accessors in Listing 9 -1 set the corresponding field, but only if the value is within a
leg...
C# Bible 2002 phần 4 ppsx
... the code in Listing 12 -1 results in the output shown in
Figure 12 -1
.
Figure 12 -1: Referencing classes within namespaces
Note that the MainClass class in Listing 12 -1 is not enclosed in ... III: Advanced C#
Chapter List
Chapter 12 : Working with Namespaces
Chapter 13 : Understanding Interfaces
Chapter 14 :
Enumerations
Chapter 15 :
Events and Delegates
Chapter 1...
C# Bible 2002 phần 5 doc
... member
'Interface1.Method1()'
The class must provide an implementation for the Method1() interface defined by Interface1,
since the class implements Interface1. The following example ... Listing 13 -1 shows how the is keyword works:
Listing 13 -1: Using the is Keyword to Work with an Interface
using System;
public interface IPrintMessage
{
void Print();
};
class...
C# Bible 2002 phần 6 ppsx
... displayed as the caption of the form. Figure 21- 1 shows what
the form looks like when the code in Listing 21- 1 is executed.
Figure 21- 1: Listing 21- 1 displays a simple form.
Compiling Your WindowsForms ... command line when compiling the code in Listing 21- 1:
csc Listing 21- 1.cs
Like all C# applications, this produces an executable called Listing 21- 1.exe. If you run this
exe...
C# Bible 2002 phần 7 ppsx
... dsCmd.SelectCommand = selectCommand;
// Add each parameter 3 -10
// Etc.
// Add each parameter ( #11 of 11 )
param = insertCommand.Parameters.Add("@Fax _11 ",
OleDbType.VarChar, 24);
param.Direction ... [nvarchar](60),
@City_6 [nvarchar] (15 ),
@Region_7 [nvarchar] (15 ),
@PostalCode_8 [nvarchar] (10 ),
@Country_9 [nvarchar] (15 ),
@Phone _10 [nvarchar](24),
@...
C# Bible 2002 phần 8 docx
... g.DrawIcon(i, 15 0, 15 );
// draw a Rectangle
Pen p2;
p2 = new Pen(Color.PapayaWhip, 7);
/* draw the Rectangle passing the x, y,
* height and width */
g.DrawRectangle(p2, 50, 50, 10 0, 10 0); ... >
</soap:Header>
<soap:Body>
<MethodName>
<Param1Name>value1</Param1Name>
<Param2Name>value2</Param2Name>
<! et...
C# Bible 2002 phần 9 pptx
... Create Table Products
9. (
10 . ProductID VarChar (4) Primary Key,
11 . ProductName VarChar (20),
12 . UnitPrice Integer,
13 . QtyAvailable Integer
14 . )
GO
15 . Select Query → Execute to ...
private void Submit_Click(object sender, System.EventArgs e)
{
OS1.Service1 Web1=new OS1.Service1();
LabelMessage.Text=Web1.AddProduct(PID.Text, ProductName.Text,
Convert.ToInt32(Price.T...
C# Bible 2002 phần 10 pot
... Threads testThreading = new Threads();
Thread t1 = new
Thread(new ThreadStart(testThreading.Threader1));
t1.Name = "Threader1";
t1.Start();
Thread t2 = new
Thread(new ThreadStart(testThreading.Threader2)); ... functionality.
Listing 35 -1
shows a simple COM+ class written in C#. This object participates in COM+
object pooling.
Listing 35 -1: Poolable COM+ Compon...