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2014-11-24 02:23:11 ¡¾´ó ÖРС¡¿ ä¯ÀÀ:5343´Î
Tags£ºÊÔÌâ Éî¶È Ïê½â
9999999m;
string str = String.Format( MyCulture, ¡°My amount = {0:c}¡±, y );
[.NET(C#)]
дһ¸öHTMLÒ³Ã棬ʵÏÖÒÔϹ¦ÄÜ£¬×ó¼üµã»÷Ò³ÃæʱÏÔʾ¡°ÄúºÃ¡±£¬ÓÒ¼üµã»÷ʱÏÔʾ¡°½ûÖ¹ÓÒ¼ü¡±¡£²¢ÔÚ1Ãëºó×Ô¶¯¹Ø±ÕÒ³Ãæ¡£


<script language=¡±java script¡±>
function MyClick()
{
if( event.button == 1 )
{
alert( ¡°ÄúºÃ¡±);
}
else if(event.button == 2 )
{
alert( ¡°½ûÖ¹ÓÒ¼ü¡±);
setTimeout( ¡°MyClose(); ¡°, 1000);
}
}
function MyClose()
{
window.close();
}



abc


[.NET(C#)]
·ÖÎöÒÔÏ´úÂë¡£
public static void test( string ConnectString )
{
System.Data.OleDb.OleDbConnection conn = new System.Data.OleDb.OleDbConnection();
conn.ConnectionString = ConnectString;
try
{
conn.Open();
// .
}
catch( Exception Ex )
{
MessageBox.Show( Ex.ToString() );
}
finally
{
if( !conn.State.Equals( ConnectionState.Closed ) )
conn.Close();
}
}
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1. ÒÔÉÏ´úÂë¿ÉÒÔÕýȷʹÓÃÁ¬½Ó³ØÂð£¿
´ð£ºÈç¹û´«ÈëµÄconnectionStringÊÇÕýÈ·µÄ¸ñʽµÄ»°£¬¿ÉÒÔÕýȷʹÓÃÁ¬½Ó³Ø¡£
2. ÒÔÉÏ´úÂëËùʹÓõÄÒì³£´¦Àí·½·¨£¬ÊÇ·ñËùÓÐÔÚtest·½·¨ÄÚµÄÒì³£¶¼¿ÉÒÔ±»²¶×½²¢ÏÔʾ³öÀ´£¿
´ð£º²»Äܲ¶»ñËùÓеÄÒì³££¬Ö»Äܲ¶»ñÔÚtry¿éÄÚ·¢ÉúµÄÒì³£¡£
[.NET(C#)]
ÒÔÏÂÊÇһЩC#ÖеÄö¾ÙÐ͵Ķ¨Ò壬ÆäÖдíÎóµÄÓ÷¨ÓУ¨B£©
A. public enum var1{ Mike = 100, Nike = 102, Jike }
B. public enum var1{ Mike = ¡°1¡±, Nike, Jike }
C. public enum var1{ Mike=-1 , Nike, Jike }
D. public enum var1{ Mike , Nike , Jike }
[.NET(C#)]
ÏÂÃæµÄÀý×ÓÖÐ
class A
{
public static int X;
static A()
{
X = B.Y + 1;
}
}
class B
{
public static int Y = A.X + 1;
static B()
{
}
static void Main()
{
Console.WriteLine( ¡°X={0},Y={1}¡±, A.X, B.Y );
}
}
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´ð£ºx=1,y=2
[.NET(C#)]
д³ö³ÌÐòµÄÊä³ö½á¹û
class Class1
{
private string str = ¡°Class1.str¡±;
private int i = 0;
static void StringConvert( string str )
{
str = ¡°string being converted.¡±;
}
static void StringConvert( Class1 c )
{
c.str = ¡°string being converted.¡±;
}
static void Add( int i )
{
i++;
}
static void AddWithRef( ref int i )
{
i++;
}
static void Main()
{
int i1 = 10;
int i2 = 20;
string str = ¡°str¡±;
Class1 c = new Class1();
Add( i1 );
AddWithRef( ref i2 );
Add( c.i );
StringConvert( str );
StringConvert( c );
Console.WriteLine( i1 );
Console.WriteLine( i2 );
Console.WriteLine( c.i );
Console.WriteLine( str );
Console.WriteLine( c.str );
}
}
´ð°¸£º10, 21, 0, str, string being converted
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[.NET(C#)]
д³ö³ÌÐòµÄÊä³ö½á¹û
public abstract class A
{
public A()
{
Console.WriteLine( ¡®A¡¯ );
}
public virtual void Fun()
{
Console.WriteLine( ¡°A.Fun()¡± );
}
}
public class B : A
{
public B()
{
Console.WriteLine( ¡®B¡¯ );
}
public new void Fun()
{
Console.WriteLine( ¡°B.Fun()¡± );
}
public static void Main()
{
A a = new B();
a.Fun();
}
}
´ð°¸£º
A
B
A.Fun()


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