使用Visual C#制作可伸缩个性化窗体
http://www.microsoft.com/china/community/Column/60.mspx
c#皮肤制作相关问题
http://hi.baidu.com/haiweb/blog/item/3a82ad09903a8c246b60fb9c.html
http://www.syncfusion.com/FAQ/WindowsForms/Default.aspx
Drawing Custom Borders in Windows Forms
http://www.geekswithblogs.net/kobush/articles/CustomBorderForms.aspx
How to skin scrollbars for Panels, in C#
http://www.codeproject.com/cs/miscctrl/customscrollbar.asp
Additional button on the titlebar of the windows form
http://www.dotnet247.com/247reference/msgs/41/207281.aspx
\http://msn.uipower.com/bbs/index.asp?boardid=29
http://www.microsoft.com/china/community/Column/60.mspx
c#皮肤制作相关问题
http://hi.baidu.com/haiweb/blog/item/3a82ad09903a8c246b60fb9c.html
http://www.syncfusion.com/FAQ/WindowsForms/Default.aspx
Drawing Custom Borders in Windows Forms
http://www.geekswithblogs.net/kobush/articles/CustomBorderForms.aspx
How to skin scrollbars for Panels, in C#
http://www.codeproject.com/cs/miscctrl/customscrollbar.asp
Additional button on the titlebar of the windows form
http://www.dotnet247.com/247reference/msgs/41/207281.aspx
\http://msn.uipower.com/bbs/index.asp?boardid=29
1
一、从控制台读取东西代码片断:
2
using System;
3![]()
4
class TestReadConsole
5
{
6
public static void Main()
7
{
8
Console.Write(Enter your name:);
9
string strName = Console.ReadLine();
10
Console.WriteLine( Hi + strName);
11
}
12
}
13
二、读文件代码片断:
14
using System;
15
using System.IO;
16![]()
17
public class TestReadFile
18
{
19
public static void Main(String[] args)
20
{
21
// Read text file C:\temp\test.txt
22
FileStream fs = new FileStream(@c:\temp\test.txt , FileMode.Open, FileAccess.Read);
23
StreamReader sr = new StreamReader(fs);
24
25
String line=sr.ReadLine();
26
while (line!=null)
27
{
28
Console.WriteLine(line);
29
line=sr.ReadLine();
30
}
31
32
sr.Close();
33
fs.Close();
34
}
35
}
36
三、写文件代码:
37
using System;
38
using System.IO;
39![]()
40
public class TestWriteFile
41
{
42
public static void Main(String[] args)
43
{
44
// Create a text file C:\temp\test.txt
45
FileStream fs = new FileStream(@c:\temp\test.txt , FileMode.OpenOrCreate, FileAccess.Write);
46
StreamWriter sw = new StreamWriter(fs);
47
// Write to the file using StreamWriter class
48
sw.BaseStream.Seek(0, SeekOrigin.End);
49
sw.WriteLine( First Line );
50
sw.WriteLine( Second Line);
51
sw.Flush();
52
}
53
}
54
四、拷贝文件:
55
using System;
56
using System.IO;
57![]()
58
class TestCopyFile
59
{
60
public static void Main()
61
{
62
File.Copy(c:\\temp\\source.txt, C:\\temp\\dest.txt );
63
}
64
}
65
五、移动文件:
66
using System;
67
using System.IO;
68![]()
69
class TestMoveFile
70
{
71
public static void Main()
72
{
73
File.Move(c:\\temp\\abc.txt, C:\\temp\\def.txt );
74
}
75
}
76
六、使用计时器:
77
using System;
78
using System.Timers;
79![]()
80
class TestTimer
81
{
82
public static void Main()
83
{
84
Timer timer = new Timer();
85
timer.Elapsed += new ElapsedEventHandler( DisplayTimeEvent );
86
timer.Interval = 1000;
87
timer.Start();
88
timer.Enabled = true;
89![]()
90
while ( Console.Read() != 'q' )
91
{
92![]()
93
}
94
}
95![]()
96
public static void DisplayTimeEvent( object source, ElapsedEventArgs e )
97
{
98
Console.Write(\r{0}, DateTime.Now);
99
}
100
}
101
七、调用外部程序:
102
class Test
103
{
104
static void Main(string[] args)
105
{
106
System.Diagnostics.Process.Start(notepad.exe);
107
}
108
}
109![]()
110
ADO.NET方面的:
111
八、连接Access数据库:
112
using System;
113
using System.Data;
114
using System.Data.OleDb;
115![]()
116
class TestADO
117
{
118
static void Main(string[] args)
119
{
120
string strDSN = Provider=Microsoft.Jet.OLEDB.4.0;Data Source=c:\\test.mdb;
121
string strSQL = SELECT * FROM employees ;
122![]()
123
OleDbConnection conn = new OleDbConnection(strDSN);
124
OleDbCommand cmd = new OleDbCommand( strSQL, conn );
125
OleDbDataReader reader = null;
126
try
127
{
128
conn.Open();
129
reader = cmd.ExecuteReader();
130
while (reader.Read() )
131
{
132
Console.WriteLine(First Name:{0}, Last Name:{1}, reader[FirstName], reader[LastName]);
133
}
134
}
135
catch (Exception e)
136
{
137
Console.WriteLine(e.Message);
138
}
139
finally
140
{
141
conn.Close();
142
}
143
}
144
}
145
九、连接SQL Server数据库:
146
using System;
147
using System.Data.SqlClient;
148![]()
149
public class TestADO
150
{
151
public static void Main()
152
{
153
SqlConnection conn = new SqlConnection(Data Source=localhost; Integrated Security=SSPI; Initial Catalog=pubs);
154
SqlCommand cmd = new SqlCommand(SELECT * FROM employees, conn);
155
try
156
{
157
conn.Open();
158![]()
159
SqlDataReader reader = cmd.ExecuteReader();
160
while (reader.Read())
161
{
162
Console.WriteLine(First Name: {0}, Last Name: {1}, reader.GetString(0), reader.GetString(1));
163
}
164
165
reader.Close();
166
conn.Close();
167
}
168
catch(Exception e)
169
{
170
Console.WriteLine(Exception Occured -->> {0},e);
171
}
172
}
173
}
174
十、从SQL内读数据到XML:
175
using System;
176
using System.Data;
177
using System.Xml;
178
using System.Data.SqlClient;
179
using System.IO;
180![]()
181
public class TestWriteXML
182
{
183
public static void Main()
184
{
185![]()
186
String strFileName=c:/temp/output.xml;
187![]()
188
SqlConnection conn = new SqlConnection(server=localhost;uid=sa;pwd=;database=db);
189![]()
190
String strSql = SELECT FirstName, LastName FROM employees;
191![]()
192
SqlDataAdapter adapter = new SqlDataAdapter();
193![]()
194
adapter.SelectCommand = new SqlCommand(strSql,conn);
195![]()
196
// Build the DataSet
197
DataSet ds = new DataSet();
198![]()
199
adapter.Fill(ds, employees);
200![]()
201
// Get a FileStream object
202
FileStream fs = new FileStream(strFileName,FileMode.OpenOrCreate,FileAccess.Write);
203![]()
204
// Apply the WriteXml method to write an XML document
205
ds.WriteXml(fs);
206![]()
207
fs.Close();
208![]()
209
}
210
}
211
十一、用ADO添加数据到数据库中:
212
using System;
213
using System.Data;
214
using System.Data.OleDb;
215![]()
216
class TestADO
217
{
218
static void Main(string[] args)
219
{
220
string strDSN = Provider=Microsoft.Jet.OLEDB.4.0;DataSource=c:\test.mdb;
221
string strSQL = INSERT INTO Employee(FirstName, LastName) VALUES('FirstName', 'LastName') ;
222
223
// create Objects of ADOConnection and ADOCommand
224
OleDbConnection conn = new OleDbConnection(strDSN);
225
OleDbCommand cmd = new OleDbCommand( strSQL, conn );
226
try
227
{
228
conn.Open();
229
cmd.ExecuteNonQuery();
230
}
231
catch (Exception e)
232
{
233
Console.WriteLine(Oooops. I did it again:\n{0}, e.Message);
234
}
235
finally
236
{
237
conn.Close();
238
}
239
}
240
}
241
十二、使用OLEConn连接数据库:
242
using System;
243
using System.Data;
244
using System.Data.OleDb;
245![]()
246
class TestADO
247
{
248
static void Main(string[] args)
249
{
250
string strDSN = Provider=Microsoft.Jet.OLEDB.4.0;DataSource=c:\test.mdb;
251
string strSQL = SELECT * FROM employee ;
252![]()
253
OleDbConnection conn = new OleDbConnection(strDSN);
254
OleDbDataAdapter cmd = new OleDbDataAdapter( strSQL, conn );
255![]()
256
conn.Open();
257
DataSet ds = new DataSet();
258
cmd.Fill( ds, employee );
259
DataTable dt = ds.Tables[0];
260![]()
261
foreach( DataRow dr in dt.Rows )
262
{
263
Console.WriteLine(First name: + dr[FirstName].ToString() + Last name: + dr[LastName].ToString());
264
}
265
conn.Close();
266
}
267
}
268
十三、读取表的属性:
269
using System;
270
using System.Data;
271
using System.Data.OleDb;
272![]()
273
class TestADO
274
{
275
static void Main(string[] args)
276
{
277
string strDSN = Provider=Microsoft.Jet.OLEDB.4.0;DataSource=c:\test.mdb;
278
string strSQL = SELECT * FROM employee ;
279![]()
280
OleDbConnection conn = new OleDbConnection(strDSN);
281
OleDbDataAdapter cmd = new OleDbDataAdapter( strSQL, conn );
282![]()
283
conn.Open();
284
DataSet ds = new DataSet();
285
cmd.Fill( ds, employee );
286
DataTable dt = ds.Tables[0];
287![]()
288
Console.WriteLine(Field Name DataType Unique AutoIncrement AllowNull);
289
Console.WriteLine(==================================================================);
290
foreach( DataColumn dc in dt.Columns )
291
{
292
Console.WriteLine(dc.ColumnName+ , +dc.DataType + ,+dc.Unique + ,+dc.AutoIncrement+ ,+dc.AllowDBNull );
293
}
294
conn.Close();
295
}
296
}
297![]()
298
ASP.NET方面的
299
十四、一个ASP.NET程序:
300
<%@ Page Language=C# %>
301
<script runat=server>
302
303
void Button1_Click(Object sender, EventArgs e)
304
{
305
Label1.Text=TextBox1.Text;
306
}
307![]()
308
</script>
309
<html>
310
<head>
311
</head>
312
<body>
313
<form runat=server>
314
<p>
315
<br />
316
Enter your name: <asp:TextBox id=TextBox1 runat=server></asp:TextBox>
317
</p>
318
<p>
319
<b><asp:Label id=Label1 runat=server Width=247px></asp:Label></b>
320
</p>
321
<p>
322
<asp:Button id=Button1 onclick=Button1_Click runat=server Text=Submit></asp:Button>
323
</p>
324
</form>
325
</body>
326
</html>
327![]()
328
WinForm开发:
329
十五、一个简单的WinForm程序:
330
using System;
331
using System.Drawing;
332
using System.Collections;
333
using System.ComponentModel;
334
using System.Windows.Forms;
335
using System.Data;
336![]()
337![]()
338
public class SimpleForm : System.Windows.Forms.Form
339
{
340![]()
341
private System.ComponentModel.Container components = null;
342
private System.Windows.Forms.Button button1;
343
private System.Windows.Forms.TextBox textBox1;
344
public SimpleForm()
345
{
346
InitializeComponent();
347
}
348![]()
349
protected override void Dispose( bool disposing )
350
{
351
if( disposing )
352
{
353
if (components != null)
354
{
355
components.Dispose();
356
}
357
}
358
base.Dispose( disposing );
359
}
360![]()
361
Windows Form Designer generated code
405![]()
406
[STAThread]
407
static void Main()
408
{
409
Application.Run(new SimpleForm());
410
}
411
}
412
十六、运行时显示自己定义的图标:
413
//load icon and set to form
414
System.Drawing.Icon ico = new System.Drawing.Icon(@c:\temp\app.ico);
415
this.Icon = ico;
416
十七、添加组件到ListBox中:
417
private void Form1_Load(object sender, System.EventArgs e)
418
{
419
string str = First item;
420
int i = 23;
421
float flt = 34.98f;
422
listBox1.Items.Add(str);
423
listBox1.Items.Add(i.ToString());
424
listBox1.Items.Add(flt.ToString());
425
listBox1.Items.Add(Last Item in the List Box);
426
}
427![]()
428
网络方面的:
429
十八、取得IP地址:
430
using System;
431
using System.Net;
432![]()
433
class GetIP
434
{
435
public static void Main()
436
{
437
IPHostEntry ipEntry = Dns.GetHostByName (localhost);
438
IPAddress [] IpAddr = ipEntry.AddressList;
439
for (int i = 0; i < IpAddr.Length; i++)
440
{
441
Console.WriteLine (IP Address {0}: {1} , i, IpAddr.ToString ());
442
}
443
}
444
}
445
十九、取得机器名称:
446
using System;
447
using System.Net;
448![]()
449
class GetIP
450
{
451
public static void Main()
452
{
453
Console.WriteLine (Host name : {0}, Dns.GetHostName());
454
}
455
}
456
二十、发送邮件:
457
using System;
458
using System.Web;
459
using System.Web.Mail;
460![]()
461
public class TestSendMail
462
{
463
public static void Main()
464
{
465
try
466
{
467
// Construct a new mail message
468
MailMessage message = new MailMessage();
469
message.From = from@domain.com;
470
message.To = pengyun@cobainsoft.com;
471
message.Cc = ;
472
message.Bcc = ;
473
message.Subject = Subject;
474
message.Body = Content of message;
475
476
//if you want attach file with this mail, add the line below
477
message.Attachments.Add(new MailAttachment(c:\\attach.txt, MailEncoding.Base64));
478
479
// Send the message
480
SmtpMail.Send(message);
481
System.Console.WriteLine(Message has been sent);
482
}
483![]()
484
catch(Exception ex)
485
{
486
System.Console.WriteLine(ex.Message.ToString());
487
}
488![]()
489
}
490
}
491
二十一、根据IP地址得出机器名称:
492
using System;
493
using System.Net;
494![]()
495
class ResolveIP
496
{
497
public static void Main()
498
{
499
IPHostEntry ipEntry = Dns.Resolve(172.29.9.9);
500
Console.WriteLine (Host name : {0}, ipEntry.HostName);
501
}
502
}
503![]()
504
GDI+方面的:
505
二十二、GDI+入门介绍:
506
using System;
507
using System.Drawing;
508
using System.Collections;
509
using System.ComponentModel;
510
using System.Windows.Forms;
511
using System.Data;
512![]()
513
public class Form1 : System.Windows.Forms.Form
514
{
515
private System.ComponentModel.Container components = null;
516![]()
517
public Form1()
518
{
519
InitializeComponent();
520
}
521![]()
522
protected override void Dispose( bool disposing )
523
{
524
if( disposing )
525
{
526
if (components != null)
527
{
528
components.Dispose();
529
}
530
}
531
base.Dispose( disposing );
532
}
533![]()
534
Windows Form Designer generated code
544![]()
545
[STAThread]
546
static void Main()
547
{
548
Application.Run(new Form1());
549
}
550![]()
551
private void Form1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
552
{
553
Graphics g=e.Graphics;
554
g.DrawLine(new Pen(Color.Blue),10,10,210,110);
555
g.DrawRectangle(new Pen(Color.Red),10,10,200,100);
556
g.DrawEllipse(new Pen(Color.Yellow),10,150,200,100);
557
}
558
}
559![]()
560
XML方面的:
561
二十三、读取XML文件:
562
using System;
563
using System.Xml;
564![]()
565
class TestReadXML
566
{
567
public static void Main()
568
{
569
570
XmlTextReader reader = new XmlTextReader(C:\\test.xml);
571
reader.Read();
572
573
while (reader.Read())
574
{
575
reader.MoveToElement();
576
Console.WriteLine(XmlTextReader Properties Test);
577
Console.WriteLine(===================);
578![]()
579
// Read this properties of element and display them on console
580
Console.WriteLine(Name: + reader.Name);
581
Console.WriteLine(Base URI: + reader.BaseURI);
582
Console.WriteLine(Local Name: + reader.LocalName);
583
Console.WriteLine(Attribute Count: + reader.AttributeCount.ToString());
584
Console.WriteLine(Depth: + reader.Depth.ToString());
585
Console.WriteLine(Line Number: + reader.LineNumber.ToString());
586
Console.WriteLine(Node Type: + reader.NodeType.ToString());
587
Console.WriteLine(Attribute Count: + reader.Value.ToString());
588
}
589
}
590
}
591
二十四、写XML文件:
592
using System;
593
using System.Xml;
594![]()
595
public class TestWriteXMLFile
596
{
597
public static int Main(string[] args)
598
{
599
try
600
{
601
// Creates an XML file is not exist
602
XmlTextWriter writer = new XmlTextWriter(C:\\temp\\xmltest.xml, null);
603
// Starts a new document
604
writer.WriteStartDocument();
605
//Write comments
606
writer.WriteComment(Commentss: XmlWriter Test Program);
607
writer.WriteProcessingInstruction(Instruction,Person Record);
608
// Add elements to the file
609
writer.WriteStartElement(p, person, urn:person);
610
writer.WriteStartElement(LastName,);
611
writer.WriteString(Chand);
612
writer.WriteEndElement();
613
writer.WriteStartElement(FirstName,);
614
writer.WriteString(Mahesh);
615
writer.WriteEndElement();
616
writer.WriteElementInt16(age,, 25);
617
// Ends the document
618
writer.WriteEndDocument();
619
}
620
catch (Exception e)
621
{
622
Console.WriteLine (Exception: {0}, e.ToString());
623
}
624
return 0;
625
}
626
}
627![]()
628
Web Service方面的:
629
二十五、一个Web Service的小例子:
630
<% @WebService Language=C# Class=TestWS %>
631![]()
632
using System.Web.Services;
633![]()
634
public class TestWS : System.Web.Services.WebService
635
{
636
[WebMethod()]
637
public string StringFromWebService()
638
{
639
return This is a string from web service.;
640
}
641
}
一、从控制台读取东西代码片断:2
using System;3

4
class TestReadConsole5
{6
public static void Main()7
{8
Console.Write(Enter your name:);9
string strName = Console.ReadLine();10
Console.WriteLine( Hi + strName);11
}12
}13
二、读文件代码片断:14
using System; 15
using System.IO; 16

17
public class TestReadFile 18
{ 19
public static void Main(String[] args) 20
{ 21
// Read text file C:\temp\test.txt 22
FileStream fs = new FileStream(@c:\temp\test.txt , FileMode.Open, FileAccess.Read); 23
StreamReader sr = new StreamReader(fs); 24
25
String line=sr.ReadLine();26
while (line!=null)27
{28
Console.WriteLine(line);29
line=sr.ReadLine();30
} 31
32
sr.Close();33
fs.Close();34
} 35
} 36
三、写文件代码:37
using System; 38
using System.IO; 39

40
public class TestWriteFile 41
{ 42
public static void Main(String[] args) 43
{ 44
// Create a text file C:\temp\test.txt 45
FileStream fs = new FileStream(@c:\temp\test.txt , FileMode.OpenOrCreate, FileAccess.Write); 46
StreamWriter sw = new StreamWriter(fs); 47
// Write to the file using StreamWriter class 48
sw.BaseStream.Seek(0, SeekOrigin.End); 49
sw.WriteLine( First Line ); 50
sw.WriteLine( Second Line); 51
sw.Flush(); 52
} 53
} 54
四、拷贝文件:55
using System;56
using System.IO;57

58
class TestCopyFile59
{60
public static void Main()61
{62
File.Copy(c:\\temp\\source.txt, C:\\temp\\dest.txt ); 63
}64
}65
五、移动文件:66
using System;67
using System.IO;68

69
class TestMoveFile70
{71
public static void Main()72
{73
File.Move(c:\\temp\\abc.txt, C:\\temp\\def.txt ); 74
}75
}76
六、使用计时器:77
using System;78
using System.Timers;79

80
class TestTimer81
{82
public static void Main()83
{84
Timer timer = new Timer();85
timer.Elapsed += new ElapsedEventHandler( DisplayTimeEvent );86
timer.Interval = 1000;87
timer.Start();88
timer.Enabled = true;89

90
while ( Console.Read() != 'q' )91
{92

93
}94
}95

96
public static void DisplayTimeEvent( object source, ElapsedEventArgs e )97
{98
Console.Write(\r{0}, DateTime.Now);99
}100
}101
七、调用外部程序:102
class Test 103
{ 104
static void Main(string[] args) 105
{ 106
System.Diagnostics.Process.Start(notepad.exe); 107
} 108
}109

110
ADO.NET方面的:111
八、连接Access数据库:112
using System;113
using System.Data;114
using System.Data.OleDb;115

116
class TestADO117
{118
static void Main(string[] args)119
{120
string strDSN = Provider=Microsoft.Jet.OLEDB.4.0;Data Source=c:\\test.mdb;121
string strSQL = SELECT * FROM employees ;122

123
OleDbConnection conn = new OleDbConnection(strDSN);124
OleDbCommand cmd = new OleDbCommand( strSQL, conn );125
OleDbDataReader reader = null;126
try127
{128
conn.Open();129
reader = cmd.ExecuteReader();130
while (reader.Read() )131
{132
Console.WriteLine(First Name:{0}, Last Name:{1}, reader[FirstName], reader[LastName]);133
}134
}135
catch (Exception e)136
{137
Console.WriteLine(e.Message);138
}139
finally140
{141
conn.Close();142
}143
}144
} 145
九、连接SQL Server数据库:146
using System;147
using System.Data.SqlClient;148

149
public class TestADO150
{151
public static void Main()152
{153
SqlConnection conn = new SqlConnection(Data Source=localhost; Integrated Security=SSPI; Initial Catalog=pubs);154
SqlCommand cmd = new SqlCommand(SELECT * FROM employees, conn);155
try156
{ 157
conn.Open();158

159
SqlDataReader reader = cmd.ExecuteReader(); 160
while (reader.Read())161
{162
Console.WriteLine(First Name: {0}, Last Name: {1}, reader.GetString(0), reader.GetString(1));163
}164
165
reader.Close();166
conn.Close();167
}168
catch(Exception e)169
{170
Console.WriteLine(Exception Occured -->> {0},e);171
} 172
}173
}174
十、从SQL内读数据到XML:175
using System;176
using System.Data;177
using System.Xml;178
using System.Data.SqlClient; 179
using System.IO; 180

181
public class TestWriteXML182
{ 183
public static void Main()184
{ 185

186
String strFileName=c:/temp/output.xml;187

188
SqlConnection conn = new SqlConnection(server=localhost;uid=sa;pwd=;database=db);189

190
String strSql = SELECT FirstName, LastName FROM employees; 191

192
SqlDataAdapter adapter = new SqlDataAdapter(); 193

194
adapter.SelectCommand = new SqlCommand(strSql,conn);195

196
// Build the DataSet197
DataSet ds = new DataSet();198

199
adapter.Fill(ds, employees);200

201
// Get a FileStream object202
FileStream fs = new FileStream(strFileName,FileMode.OpenOrCreate,FileAccess.Write);203

204
// Apply the WriteXml method to write an XML document205
ds.WriteXml(fs);206

207
fs.Close();208

209
}210
}211
十一、用ADO添加数据到数据库中:212
using System;213
using System.Data; 214
using System.Data.OleDb; 215

216
class TestADO217
{ 218
static void Main(string[] args) 219
{ 220
string strDSN = Provider=Microsoft.Jet.OLEDB.4.0;DataSource=c:\test.mdb; 221
string strSQL = INSERT INTO Employee(FirstName, LastName) VALUES('FirstName', 'LastName') ; 222
223
// create Objects of ADOConnection and ADOCommand 224
OleDbConnection conn = new OleDbConnection(strDSN); 225
OleDbCommand cmd = new OleDbCommand( strSQL, conn ); 226
try 227
{ 228
conn.Open(); 229
cmd.ExecuteNonQuery(); 230
} 231
catch (Exception e) 232
{ 233
Console.WriteLine(Oooops. I did it again:\n{0}, e.Message); 234
} 235
finally 236
{ 237
conn.Close(); 238
} 239
} 240
} 241
十二、使用OLEConn连接数据库:242
using System;243
using System.Data; 244
using System.Data.OleDb; 245

246
class TestADO247
{ 248
static void Main(string[] args) 249
{ 250
string strDSN = Provider=Microsoft.Jet.OLEDB.4.0;DataSource=c:\test.mdb; 251
string strSQL = SELECT * FROM employee ; 252

253
OleDbConnection conn = new OleDbConnection(strDSN);254
OleDbDataAdapter cmd = new OleDbDataAdapter( strSQL, conn ); 255

256
conn.Open();257
DataSet ds = new DataSet();258
cmd.Fill( ds, employee );259
DataTable dt = ds.Tables[0];260

261
foreach( DataRow dr in dt.Rows )262
{263
Console.WriteLine(First name: + dr[FirstName].ToString() + Last name: + dr[LastName].ToString());264
}265
conn.Close(); 266
} 267
} 268
十三、读取表的属性:269
using System;270
using System.Data; 271
using System.Data.OleDb; 272

273
class TestADO274
{ 275
static void Main(string[] args) 276
{ 277
string strDSN = Provider=Microsoft.Jet.OLEDB.4.0;DataSource=c:\test.mdb; 278
string strSQL = SELECT * FROM employee ; 279

280
OleDbConnection conn = new OleDbConnection(strDSN);281
OleDbDataAdapter cmd = new OleDbDataAdapter( strSQL, conn ); 282

283
conn.Open();284
DataSet ds = new DataSet();285
cmd.Fill( ds, employee );286
DataTable dt = ds.Tables[0];287

288
Console.WriteLine(Field Name DataType Unique AutoIncrement AllowNull);289
Console.WriteLine(==================================================================);290
foreach( DataColumn dc in dt.Columns )291
{292
Console.WriteLine(dc.ColumnName+ , +dc.DataType + ,+dc.Unique + ,+dc.AutoIncrement+ ,+dc.AllowDBNull );293
}294
conn.Close(); 295
} 296
} 297

298
ASP.NET方面的299
十四、一个ASP.NET程序:300
<%@ Page Language=C# %>301
<script runat=server>302
303
void Button1_Click(Object sender, EventArgs e) 304
{305
Label1.Text=TextBox1.Text;306
}307

308
</script>309
<html>310
<head>311
</head>312
<body>313
<form runat=server>314
<p>315
<br />316
Enter your name: <asp:TextBox id=TextBox1 runat=server></asp:TextBox>317
</p>318
<p>319
<b><asp:Label id=Label1 runat=server Width=247px></asp:Label></b>320
</p>321
<p>322
<asp:Button id=Button1 onclick=Button1_Click runat=server Text=Submit></asp:Button>323
</p>324
</form>325
</body>326
</html>327

328
WinForm开发:329
十五、一个简单的WinForm程序:330
using System;331
using System.Drawing;332
using System.Collections;333
using System.ComponentModel;334
using System.Windows.Forms;335
using System.Data;336

337

338
public class SimpleForm : System.Windows.Forms.Form339
{340

341
private System.ComponentModel.Container components = null;342
private System.Windows.Forms.Button button1;343
private System.Windows.Forms.TextBox textBox1;344
public SimpleForm()345
{346
InitializeComponent();347
}348

349
protected override void Dispose( bool disposing )350
{351
if( disposing )352
{353
if (components != null)354
{355
components.Dispose();356
}357
}358
base.Dispose( disposing );359
}360

361
Windows Form Designer generated code405

406
[STAThread]407
static void Main()408
{409
Application.Run(new SimpleForm());410
} 411
}412
十六、运行时显示自己定义的图标:413
//load icon and set to form414
System.Drawing.Icon ico = new System.Drawing.Icon(@c:\temp\app.ico);415
this.Icon = ico;416
十七、添加组件到ListBox中:417
private void Form1_Load(object sender, System.EventArgs e)418
{419
string str = First item;420
int i = 23;421
float flt = 34.98f; 422
listBox1.Items.Add(str);423
listBox1.Items.Add(i.ToString());424
listBox1.Items.Add(flt.ToString());425
listBox1.Items.Add(Last Item in the List Box);426
} 427

428
网络方面的:429
十八、取得IP地址:430
using System;431
using System.Net;432

433
class GetIP434
{435
public static void Main()436
{437
IPHostEntry ipEntry = Dns.GetHostByName (localhost);438
IPAddress [] IpAddr = ipEntry.AddressList;439
for (int i = 0; i < IpAddr.Length; i++)440
{ 441
Console.WriteLine (IP Address {0}: {1} , i, IpAddr.ToString ());442
}443
}444
}445
十九、取得机器名称:446
using System;447
using System.Net;448

449
class GetIP450
{451
public static void Main()452
{453
Console.WriteLine (Host name : {0}, Dns.GetHostName());454
}455
}456
二十、发送邮件:457
using System;458
using System.Web;459
using System.Web.Mail;460

461
public class TestSendMail462
{463
public static void Main()464
{465
try466
{467
// Construct a new mail message 468
MailMessage message = new MailMessage();469
message.From = from@domain.com;470
message.To = pengyun@cobainsoft.com;471
message.Cc = ;472
message.Bcc = ;473
message.Subject = Subject;474
message.Body = Content of message;475
476
//if you want attach file with this mail, add the line below477
message.Attachments.Add(new MailAttachment(c:\\attach.txt, MailEncoding.Base64));478
479
// Send the message480
SmtpMail.Send(message); 481
System.Console.WriteLine(Message has been sent);482
}483

484
catch(Exception ex)485
{486
System.Console.WriteLine(ex.Message.ToString());487
}488

489
}490
}491
二十一、根据IP地址得出机器名称:492
using System;493
using System.Net;494

495
class ResolveIP496
{497
public static void Main()498
{499
IPHostEntry ipEntry = Dns.Resolve(172.29.9.9);500
Console.WriteLine (Host name : {0}, ipEntry.HostName); 501
}502
}503

504
GDI+方面的:505
二十二、GDI+入门介绍:506
using System;507
using System.Drawing;508
using System.Collections;509
using System.ComponentModel;510
using System.Windows.Forms;511
using System.Data;512

513
public class Form1 : System.Windows.Forms.Form514
{515
private System.ComponentModel.Container components = null;516

517
public Form1()518
{519
InitializeComponent();520
}521

522
protected override void Dispose( bool disposing )523
{524
if( disposing )525
{526
if (components != null) 527
{528
components.Dispose();529
}530
}531
base.Dispose( disposing );532
}533

534
Windows Form Designer generated code544

545
[STAThread]546
static void Main() 547
{548
Application.Run(new Form1());549
}550

551
private void Form1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)552
{553
Graphics g=e.Graphics;554
g.DrawLine(new Pen(Color.Blue),10,10,210,110);555
g.DrawRectangle(new Pen(Color.Red),10,10,200,100);556
g.DrawEllipse(new Pen(Color.Yellow),10,150,200,100);557
}558
}559

560
XML方面的:561
二十三、读取XML文件:562
using System;563
using System.Xml; 564

565
class TestReadXML566
{567
public static void Main()568
{569
570
XmlTextReader reader = new XmlTextReader(C:\\test.xml);571
reader.Read();572
573
while (reader.Read())574
{ 575
reader.MoveToElement();576
Console.WriteLine(XmlTextReader Properties Test);577
Console.WriteLine(===================); 578

579
// Read this properties of element and display them on console580
Console.WriteLine(Name: + reader.Name);581
Console.WriteLine(Base URI: + reader.BaseURI);582
Console.WriteLine(Local Name: + reader.LocalName);583
Console.WriteLine(Attribute Count: + reader.AttributeCount.ToString());584
Console.WriteLine(Depth: + reader.Depth.ToString());585
Console.WriteLine(Line Number: + reader.LineNumber.ToString());586
Console.WriteLine(Node Type: + reader.NodeType.ToString());587
Console.WriteLine(Attribute Count: + reader.Value.ToString());588
} 589
} 590
} 591
二十四、写XML文件:592
using System; 593
using System.Xml; 594

595
public class TestWriteXMLFile 596
{ 597
public static int Main(string[] args) 598
{ 599
try 600
{ 601
// Creates an XML file is not exist 602
XmlTextWriter writer = new XmlTextWriter(C:\\temp\\xmltest.xml, null); 603
// Starts a new document 604
writer.WriteStartDocument(); 605
//Write comments 606
writer.WriteComment(Commentss: XmlWriter Test Program); 607
writer.WriteProcessingInstruction(Instruction,Person Record); 608
// Add elements to the file 609
writer.WriteStartElement(p, person, urn:person); 610
writer.WriteStartElement(LastName,); 611
writer.WriteString(Chand); 612
writer.WriteEndElement(); 613
writer.WriteStartElement(FirstName,); 614
writer.WriteString(Mahesh); 615
writer.WriteEndElement(); 616
writer.WriteElementInt16(age,, 25); 617
// Ends the document 618
writer.WriteEndDocument(); 619
} 620
catch (Exception e) 621
{ 622
Console.WriteLine (Exception: {0}, e.ToString()); 623
} 624
return 0; 625
} 626
} 627

628
Web Service方面的:629
二十五、一个Web Service的小例子:630
<% @WebService Language=C# Class=TestWS %>631

632
using System.Web.Services;633

634
public class TestWS : System.Web.Services.WebService635
{636
[WebMethod()]637
public string StringFromWebService()638
{639
return This is a string from web service.;640
}641
}


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