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ÔÚ.NETµÄWinForms³ÌÐòÖУ¬¿ÉÒÔʹÓÃ( )¶ÔÏóÀ´Á¬½ÓºÍ·ÃÎÊÊý¾Ý¿â¡££¨Ñ¡ÔñÒ»Ï A¡¢MDI B¡¢JIT C¡¢ADO.NET D¡¢System.ADO

ÔÚ.NETÖУ¬ÊõÓïSDIÊÇÖ¸£¨£©¡££¨Ñ¡ÔñÒ»Ï A¡¢¼òµ¥Éè¼Æ½Ó¿Ú B¡¢µ¥Îĵµ½çÃæ C¡¢³¬¼¶Éè¼Æ½Ó¿Ú D¡¢³¬Îĵµ±àÂë

ÔÚADO.NET¶ÔÏóÄ£ÐÍÖУ¬NETÊý¾ÝÌṩ³ÌÐò°üÀ¨Ò»Ð©¶ÔÏ󣬳ýÁË A¡¢DataReader B¡¢DataAdapter C¡¢DataTable D¡¢Command

ÔÚ.NETµÄ´°ÌåFrmWaterTÖÐÓÐÒÔÏ´úÂ룺 private void btnShowMe_Click(object sender , System.EventArgs e) { FrmWaterT f = new FrmWaterT(); f.ShowDialog(this); } ÔòÏÂÁÐ˵·¨´íÎóµÄÊÇ£¨£©¡£(Ñ¡ÔñÒ»Ïî) A¡¢ShowDialog½«ÏÔʾΪģʽ´°¿Ú

B¡¢this±íʾӵÓÐģʽ´°¿ÚµÄ¶¥¼¶´°¿ÚΪµ±Ç°´°¿Ú C¡¢FrmWaterT f = new FrmWaterT() ; µ÷ÓÃÁ˹¹Ô캯Êý

D¡¢¸Ã´úÂë³öÏÖÁËÔËÐÐʱ´íÎó£¬ÒòΪ²»ÄÜÔÚfrmWaterTÖС¢´´½¨¶ÔÏó±¾Éí ÔÚWinForm´°ÌåÖУ¬·ÅÖÃÁËÒ»¸öPictureBox ¿Ø¼þ ÃûΪPictureBox1£¬ÔÚÉèÖÃPictureBox1¿Ø¼þµÄImage ÊôÐԺ󣬵±Í¼Æ¬Óë¿Ø¼þµÄ´óС²»Ò»ÖÂʱ£¬¿ÉÒÔͨ¹ýÈçÏ´úÂ루£©Ê¹PictureBox1¿Ø¼þµÄ´óСÓëͼƬ´óС±£³ÖÒ»Ö¡£(Ñ¡ÔñÒ»Ïî) A¡¢this.PictureBox1.SizeMode = PictureBoxSizeMode.AutoSize; B¡¢this.PictureBox1.SizeMode = PictureBoxSizeMode.Normal;

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C¡¢this.PictureBox1.SizeMode = PictureBoxSizeMode.StretchImage; D¡¢this.PictureBox1.SizeMode = PictureBoxSizeMode.CenterImage;

ÏòÊý¾Ý¿âÌí¼Ó¼Ç¼£¬ÆäÖÐInsertSQLÊÇÒ»Ìõ²åÈë²Ù×÷µÄSqlÓï¾ä£¬objConnection ÊÇÁ¬½Ó¶ÔÏó£¬ÒÔÏ´úÂëÔËÐÐʱ»á³öÏÖ´íÎóµÄÊÇ£¨£©¡££¨Ñ¡ÔñÒ»Ï A¡¢ SqlDataApdapater objAdaptor = new SqlDataApdater(); objAdaptor.DeleteCommand = objConnection.CreateCommand(); objAdaptor.DeleteCommand.CommandText = strInsertSQL;

B¡¢SqlCommand objCommand = new SqlCommand(strInsertSQL,objConnection);

C¡¢SqlCommand objCommand = objConection.CreateCommand(); objCommand.CommandText = strInsertSQL;

D¡¢ SqlCommand objCommand = objConection.CreateCommand(); objCommand.CommandText = strInsertSQL; objCommand.CommandType = CommandType.StoredProcedure; WinFormÖУ¬ÔÚ½çÃæÉÏ»æÖƾØÐΡ¢»¡¡¢ÍÖÔ²µÈͼÏñ¶ÔÏ󣬿ÉÒÔʹÓÃSystem£®Drawing ÃüÃû¿Õ¼äµÄ£¨£©ÀàÀ´ÊµÏÖ¡££¨Ñ¡ÔñÒ»Ï A¡¢Brush B¡¢Pen C¡¢Color D¡¢Image ADO.NETÖеÄDataViewÀà¿ÉÒÔÓÃÀ´É¸Ñ¡Êý¾Ý¼¯ÖеÄÊý¾ÝÏÒÔϵĴúÂëÓÃÀ´Ñ¡ÔñÊý¾Ý¼¯ÖÐÄêÁäСÓÚ24µÄÔ±¹¤£º DataView V = new DataView(mydataSet.Tables[0]); (1)//´Ë´¦ÌîдÕýÈ·µÄ´úÂë Ôò£¨1£©´¦Ó¦¸ÃÌîдµÄÕýÈ·´úÂëΪ£¨£©¡££¨Ñ¡ÔñÒ»Ï A¡¢V.RowFilter = \ B¡¢V.RowFilter = \ C¡¢V.Excute(\ D¡¢V.Excute(\

ͨ¹ý£¨£©·½·¨¿ÉÒÔ±àдʵÏÖ½¹µãÂäÔÚÖ¸¶¨µÄÎı¾¿òÖУ¬´Ó¶ø¿ÉÒÔÊä³ö×Ö·ûÐÅÏ¢¡£ £¨Ñ¡ÔñÒ»Ï A¡¢LOCk B¡¢Readonly C¡¢ FOCUS D¡¢TabIndex

ÔÚ.NETÖУ¬Îı¾¿ò¿Ø¼þµÄ£¨£©ÊôÐÔÓÃÀ´ÉèÖÃÆäÊÇ·ñÖ»¶Á¡££¨Ñ¡ÔñÒ»Ï A¡¢ReadOnly B¡¢Locked C¡¢Lock D¡¢Style

ÔÚWinFormÓ¦ÓóÌÐòÖУ¬¿ÉÒÔͨ¹ýÒÔÏ£¨£©·½·¨Ê¹Ò»¸ö´°Ìå³ÉΪMDI´°Ìå¡££¨Ñ¡Ôñ Ò»Ï A¡¢¸Ä±ä´°ÌåµÄ±êÌâÐÅÏ¢ B¡¢ÔÚ¹¤³ÌµÄÑ¡ÏîÖÐÉèÖÃÆô¶¯´°Ìå

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C¡¢ÉèÖô°ÌåµÄIsMdiContainerÊôÐÔ D¡¢ÉèÖô°ÌåµÄImeModeÊôÐÔ

ÔÚWinForms³ÌÐòÖУ¬Èç¹û¸´Ñ¡¿ò¿Ø¼þµÄ CheckedÊôÐÔÖµÉèÖÃΪ True£¬±íʾ£¨£©¡££¨Ñ¡ÔñÒ»Ï A¡¢¸Ã¸´Ñ¡¿ò±»Ñ¡ÖÐ B¡¢¸Ã¸´Ñ¡¿ò²»±»Ñ¡ÖÐ C¡¢²»ÏÔʾ¸Ã¸´Ñ¡¿òµÄÎı¾ÐÅÏ¢ D¡¢ÏÔʾ¸Ã¸´Ñ¡¿òµÄÎı¾ÐÅÏ¢

WinFormsÖеÄͼƬ¿ò¿Ø¼þ£¨pictureBox£©ÖÐÄÜÏÔʾÒÔϵÄͼƬ¸ñʽ£¬³ýÁË£¨£©¡££¨Ñ¡ÕßÒ»Ï A¡¢.doc B¡¢.bmp C¡¢.gif D¡¢.jpeg

MOSSQL2005Êý¾Ý¿â Repair£¬¿âÖÐÓвÙ×÷Ô±ÐÅÏ¢±í£¨Oper_Info£©µÄÈçÏÂÊý¾Ý£¬ÈçÏ´úÂëÄܹ»Õý³£ÔËÐв¢ÇÒûÓÐÒì³£ÐÅÏ¢£¬µ«²»ÄÜ´ïµ½¸üÐÂÊý¾Ý±íµÄÄ¿µÄµÄÔ­ÒòÊÇ£¨£©¡£ private void UpdateDate() {

SqlConnection myConn=new SqlConnection(ConnectionString); myConn.Open();

SqlDataAdapter ds=new SqlDaraAdapter(\DataSet ds=new DataSet(); ds..Fill(ds);

SqlCommandBuilder sqlcb=new SqlCommandBuilder(ds); ds.UpdateCommand=sqlcb.GetUpdateCommand(); DataRow dr=ds.Tables[0].Rows.Find(\dr[\´óѧ±ÏÒµ£¬¹¤×÷11Äê\£» ds.AcceptChanges(); }

(Ñ¡ÔñÒ»Ïî) per_ID Oper_Info Bak a123 ´óѧ±ÏÒµ£¬¹¤×÷Ê®Äê null B123 ÖÐר±ÏÒµ£¬¹¤×÷Á½Äê null A¡¢dr[\µÄд·¨²»ÕýÈ·£¬Ó¦¸Ã¸ÄΪdr[0]

B¡¢ds.AccptChanges()λÖò»¶Ô£¬Ó¦¸ÃÔÚdr[\´óѧ±ÏÒµ£¬¹¤×÷11Äê\Ç°Ãæ C¡¢ÐÞ¸ÄÊý¾Ý¼¯ºó£¬Ã»Óе÷ÓÃÊÊÅäÆ÷µÄUpdata()·½·¨

ÔÚADO.NETÖУ¬£¨ £©¶ÔÏó½á¹¹ÀàËÆÓÚ¹ØÏµÊý¾Ý¿âµÄ½á¹¹£¬²¢ÔÚÓëÊý¾Ý¿â¶Ï¿ªÇé¿öÏ£¬ÔÚ»º´æÖд洢Êý¾Ý¡£

DataAdapter a)

DataSet b)

DataTable c)

DataReader d)

WinFormsÖйØÓÚWindows·þÎñÏÂÃæËµ·¨´íÎóµÄÊÇ£¨ £©¡£

a) Windows·þÎñÊǿɳ¤Ê±¼äÔËÐеĿÉÖ´ÐÐÎļþ b) Windows·þÎñ¿ÉÒÔÖ§³ÖÓû§½çÃæ

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c) d)

Windows·þÎñÔڵǼµÄÓû§ÕÊ»§Ï¿ÉÄÜÎÞ·¨ÔËÐÐ Windows·þÎñ±ØÐëÓû§µÇ¼¼ÆËã»úµÄÇé¿ö²ÅÔËÐÐ

WinformsÖУ¬TcpClientÀàºÍTcpListenerÀà¾ù°üº¬ÔÚ£¨ £©ÃüÃû¿Õ¼äÏ¡£

System.Network.Sockets a)

System.Net.Sockets b)

System.Net.Tcp c)

System.Nets.Sockets d)

Connection¡¢Command¡¢£¨ £©ºÍ DataAdapter ¶ÔÏóÊÇ .NET Framework Êý¾ÝÌṩ³ÌÐòÄ£Ð͵ĺËÐÄÒªËØ¡£

DataReader a)

DataSet b)

DataTable c)

Transaction d)

£¨ £©·½·¨Ö´ÐÐÖ¸¶¨ÎªCommand¶ÔÏóµÄÃüÁîÎı¾µÄSQLÓï¾ä£¬²¢·µ»ØÊÜSQLÓï¾ä

Ó°Ïì»ò¼ìË÷µÄÐÐÊý¡£

ExecuteNonQuery a)

ExecuteReader b)

ExecuteQuery c)

ExecuteScalar d)

ÔÚÒÔÏÂWinForms´°ÌåµÄÏ·½Ê¹ÓÃÁË£¨£©¿Ø¼þ£®£¨ÔìÔñÒ»Ï

A.½ø¶ÈÌõ B.Ê÷ÐÍÊÓͼ C.¹ö¶¯Ìõ D.״̬À¸

ÔÚ.NETÖУ¬ÎªÁËÐ¶ÔØÒ»¸öÃûΪ¡±myWindowsService.exe¡±µÄWindows·þÎñ,ʹÓõÄÃüÁîÊÇ() A.Unstall myWindowsService.exe B.Installutil /u myWindowsService.exe C.Installutil myWindowsSercicr.exe D.Unstallutil /u myWindowsService.exe

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ÔÚWinformsÖУ¬ÓÐÒ»¸ö¶àÎĵµÓ¦ÓóÌÐò£¬Ö÷´°ÌåÖдò¿ªÁËÈý¸ö×Ó´°Ì壬²¼¾ÖÈçÏÂͼËùʾÇëÎʸò¼¾ÖÊÇͨ¹ý£¨£©´úÂëʵÏֵġ££¨Ñ¡ÔñÒ»Ï

A.this.LayoutMdi(MdiLayout.Cascade);

B.this.LayoutMdi(MdiLayout.TileHorizontal); C.this.LayoutMdi(MdiLayout.TileVertical); D.this.LayoutMdi(MdiLayout.ArrangeIcons);

ÔÚADO.NETÖУ¬ÏÂÁдúÂëÔËÐкóµÄÊä³ö½á¹ûÊÇ£¨Ñ¡ÔñÒ»Ï DataTable dt=new DataTable();

dt.Columns.Add (¡°±àºÅ¡±,typeof(System.Int16)); dt.Columns.Add (¡°³É¼¨¡±,typeof(System.Single)); Console.WriteLine(dt.Columns[1].DataType);

A.System.Int16; B.System.Single C.±àºÅ D.³É¼¨

ÏÂÁÐ £¨£©ÊÇADO.NETµÄÁ½¸öÖ÷Òª×é¼þ£¨£©¡£ £¨ÇëÑ¡ÔñÒ»Ï

a) CommandºÍDataAdapter b) DataSetºÍData Table

c) .NETÊý¾ÝÌṩ³ÌÐòºÍDataSet d) .NETÊý¾ÝÌṩºÍDataAdapter

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ÔÚADO.NETÖУ¬ÒÑÖª±äÁ¿sqlComÊÇÒ»¸öSqlCommand¶ÔÏó£¬ÔòÏÂÁдúÂëÔËÐÐʱ½«³öÏÖÒì³£µÄ

ÊÇ£¨£©¡££¨ÇëѡһÏ

SqlDataReader reader= aqlCom.ExecuteReader£¨£©£» //1 Reader.read(); //2 Reader.Close(); //3 Reader.Read(); //4 a) 1 b) 2 c) 3 d) 4

ÔÚADO.NETÖУ¬ÏÂÁйØÓÚDatasetÀà˵·¨ÓÐÎóµÄÊÇ£¨£©¡££¨ÇëÑ¡¶þÏ

a) ¿ÉÒÔÏòDataSetµÄ±í¼¯ºÏÖÐÌí¼Óбí

b) DataSetÖеÄÊý¾Ý·¢Éú¸Ä±äÖ®ºó£¬Ëü»á×Ô¶¯¸üÐÂÊý¾Ý¿âÖжÔÓ¦µÄÊý¾Ý c£© DataSet ¾ÍºÃÏóÊÇÄÚ´æÖеÄÒ»¸ö¡°ÁÙʱÊý¾Ý¿â¡± d) DataSet ÖеÄÊý¾ÝÊÇÖ»¶ÁµÄ²¢ÇÒÊÇÖ»½øµÄ

ÔÚADO . NETÖУ¬ÎªÁËÖ´ÐÐÒ»¸ö´æ´¢¹ý³Ì£¬ÐèÒª°ÑCommand¶ÔÏóµÄCommandTypeÊôÐÔÉè

ÖÃΪ£¨£©¡£

a) CommandType . StoredProcedure b) CommandType . TableDirect c) CommandType . Text d) CommandType . Sql

ÔÚWinForms´°ÌåÖУ¬ÓйØListView¿Ø¼þ£¬ÔËÐÐÏÂÃæ´úÂëÖ®ºó£¬ÏÂÁÐ˵·¨´íÎóµÄÊÇ£¨£©¡££¨Çë

Ñ¡¶þÏ

this.listView1.SelectedItems[1].Text = ¡°ABC¡± a) ½«Ñ¡ÔñµÄËùÓеÄÁбíµÄÎı¾ÖµÐÞ¸ÄΪ¡°ABC¡± b) ½«Ñ¡ÔñµÄµÚÒ»ÏîµÄÎı¾ÖµÐÞ¸ÄΪ¡°ABC ¡± c) µ±Ã»ÓÐÑ¡ÔñÈκÎÏîµÄʱºò£¬³ÌÐò³ö´í d) µ±Ñ¡ÔñµÄÖ»ÓÐÒ»ÏîµÄʱºò£¬³ÌÐò³ö´í

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ÔÚWinFormsÖУ¬ÎªÁË·ÀÖ¹Óû§ÎÞÒâ¹Ø±Õ´°Ì壬ÐèÒªÔÚ£¨£©Ê¼þÖбàд´úÂ룬ÌáʾÓû§ÊÇ

·ñ¹Ø±Õ´°Ìå¡£ £¨Ñ¡ÔñÒ»Ï a) Closing b) Closed c) Load

d) VisibleChanged

ÔÚADO.NETÖУ¬SqlConnection ÀàËùÔÚµÄÃüÃû¿Õ¼äÊÇ£¨£©¡£ £¨Ñ¡ÔñÒ»Ï

a) System

b) System.Data

c) System.Data.OleDb d) System.Data.SqlClient

Èçͼ£¬ÎªÁËÔÚijWinForms´°ÌåÖ÷²Ëµ¥µÄÒ»¸ö²Ëµ¥Ñ¡ÏîÖÐÏÔʾËùÓдò¿ªµÄ×Ó´°ÌåÁÐ±í£¬Ðè

ÒªÉèÖøò˵¥ÏîµÄ£¨£©ÊôÐÔΪtrue¡£ £¨Ñ¡ÔñÒ»Ï

a) Enbable b) Checked c) Mdilist

d) RadioCheck

ÔÚWinForms ÖУ¬ÏÂÁдúÂëµÄÔËÐнá¹ûÊÇ£¨£©¡£ £¨Ñ¡ÔñÒ»Ï DataSet ds = new DataSet(¡°Books¡±); DataTable dt = new DataTable(¡°Student¡±);

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Console.Writeline(ds.DataSetName);

a) Books b) Student c) ds

d) ds.DataSetName

ÔÚADO.NETÖУ¬ÏÂÁдúÂëµÄÊä³ö½á¹ûÊÇ£¨£©¡£ £¨Ñ¡ÔñÒ»Ï SqlConnection conn = new SqlConnection(¡°data source = ¡£;uid = bill;pwd = 12345;

Initial catalog = Northwind¡±);

Console.WriteLine(conn.ConnectionString);

a) pub b) bill

c) data source = pub;uid = bill;pwd = 12345;initial catalog = Northwind d) Northwind

ÔÚADO.NETÖУ¬ÒªÊ¹ÓÃDataSetÀàÐÍ£¬ÐèÒªÒýÓ㨣©ÃüÃû¿Õ¼ä¡££¨Ñ¡ÔñÒ»Ï

a) System.Data.Pledb; b) System.Data.ODBC; c) System.Data.SQLClient; d) System.Data;

ÒÑÖªÔÚwinforms´°ÌåÖÐÓÐÒ»¸öTimer¿Ø¼þ£¬IntervalÊôÐÔÉèΪ4·ÖÖÓ£¬µ±¿Ø¼þ¼ÆÊ±1·ÖÖÓ

ºó£¬µ÷ÓÃÁ˿ؼþµÄStop·½·¨£¬ÔÙ¹ý1·ÖÖÓ£¬ÖØÐµ÷ÓÿؼþµÄStart·½·¨£¬Ôò×Ըôε÷ÓÃStart·½·¨ºó£¬µÚÒ»´Î´¥·¢¿Ø¼þµÄTickʼþµÄ¼ä¸ôÊÇ£¨Interval£©·ÖÖÓ¡£ £¨Ñ¡ÔñÒ»Ï a) 1 b) 2 c) 3 d) 4

ÒÔÏÂÊÇADO.NETÖУ¬´´½¨Êý¾Ý±íµÄ´úÂ룬ÆäÖдúÂëÐУ¨£©ÔËÐÐʱ½«³öÏÖÒì³£¡£ £¨Ñ¡ÔñÒ»Ï Datatable dt = new DataTable(); dt.Columns.Add(¡°ID¡±); dt.Columns[0].Unique = true; //1 DataRow dr = dt.NewRow(); //2 dr[0] = 1;

dt.Rows.Add(dr); dr = dt.NewRow(); dr[0] = 1; //3 dt.Rows.Add(dr); //4

a) 1 b) 2 c) 3

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d) 4

ÔÚWinForms´°ÌåÖУ¬ÓÐÒ»¸öÃûΪtypeTreeView µÄTreeView¿Ø¼þ£¬¿Ø¼þµÄ½ÚµãÈçͼËùʾ£¬

ΪÁË»ñȡͼÖÐÑ¡ÖнڵãµÄÎı¾£¬ÏÂÁдúÂëÕýÈ·µÄÊÇ£¨£©¡£ £¨Ñ¡ÔñÒ»Ï

a) b) c) d)

typeTreeView.Nodes[0].Nodes[1].Text; typeTreeView.Nodes[1].Nodes[2].Text;

typeTreeView.Nodes[0].Nodes[1]. Nodes[1].Text; typeTreeView.Nodes[1].Nodes[2]. Nodes[2].Text;

ÔÚWinforms´°ÌåÖУ¬ÓÐÒ»ÃûΪtxtUserµÄTextBox¿Ø¼þ£¬ÆäMaxLengthÊôÐÔΪ5£¬¸Ã¿Ø¼þ

µÄµ±Ç°Îı¾Îª¡°ÍøÂç±à³Ì¡±£¬ÈôÔÙÖ´ÐдúÂ룺

txtUser.AppendText(¡°¸ßÊÖ¡±); Ôò¿Ø¼þµÄÎı¾Îª£¨£©¡£ £¨Ñ¡ÔñÒ»Ï

a) ÍøÂç±à³Ì b) ÍøÂç±à³Ì¸ß c) ÍøÂç±à³Ì¸ßÊÖ d) ³öÏÖÔËÐÐʱ´íÎó

ÔÚADO.NETÖУ¬Èç¹ûmyserverÊÇ·þÎñÆ÷Ãû£¬mydatabaseÊÇÊý¾Ý¿âÃû£¬ÔòÏÂÁÐÁ¬½Ó×Ö·û´®µÄ¸ñʽ±àдÕýÈ·µÄÊÇ£¨ £©(Ñ¡2Ïî)

A. ¡°Server=SQLOLEDB; Data Source=myserver; DataBase=mydatabase; integrated

security=SSPI¡±

B. ¡°Provider=SQLOLEDB; Data Source=myserver; Initial catalog=mydatabase; integrated

security=SSPI¡±

C. ¡°Server=myserver; DataBase=mydatabase; integrated security=SSPI¡± D. ¡°Provider=myserver; Data Source=mydatabase; integrated security=SSPI¡±

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СÍõ±àдÁËÈçÏ´´½¨Ò»¸öDataTableµÄ´úÂ룬ÇëÎʹØÓڸöδúÂë˵·¨ÕýÈ·µÄÊÇ£¨ £©£¨Ñ¡1Ï

public static DataTable CreateDataTable() {

DataTable dt = new DataTable();

dt.Columns.Add(\ dt.Columns.Add(\ dt.Constraints.Add(\ dt.Columns[1].DefaultValue = \ DataRow dr = dt.NewRow(); dr[0] = 1;

dr[1] = \ dt.Rows.Add(dr); dr = dt.NewRow(); dr[0] = 1;

dr[1] = \ dt.Rows.Add(dr); return dt; }

a)ÓÉÓÚ´´½¨ DataTable ±íʱûÓд«µÝ±íÃû²ÎÊý£¬¸Ã¶Î´úÂë±àÒëʱÓдíÎó b)¸Ã¶Î´úÂë±àÒëʱÎÞ´íÎ󣬵«ÊÇÔËÐÐʱÓдíÎó 0)¸Ã¶Î´úÂë±àÒëºÍÔËÐÐʱ¶¼Ã»ÓдíÎó

d)Èç¹û°Ñ´úÂëdr[1]=¡±ACCP¡±£»¸ÄΪdr[1]=\¡±ÔòÔËÐÐʱûÓдíÎó

ÔÚ.NETÖУ¬ÎªÁËʹһ¸öWindows·þÎñÓÉÓû§¾ö¶¨ÊÇ·ñÆô¶¯£¬ÐèÒª½«StartTypeÊôÐÔÉèÖÃΪ£¨£©£¨Ñ¡1Ï A. Automatic B. Disabled C. Enabled D. Manual

ÔÚADO.NETÖУ¬ÓÐÒÔÏÂËÄÌõ´úÂ룬ÄãÈÏΪËûÃÇ×î¿ÉÄܵıàд˳ÐòÊÇ£¨£©£¨Ñ¡Ò»Ï SqlConnection sqlCon= new SqlConnection(); //1 sqlCon.Close(); //2

sqlCon.ConnectionString=¡±Server=.;Database=pubs;Uid=sa; pwd=pwd¡±; //3 sqlCon.Open(); //4 A. 1£¬2£¬3£¬4 B. 1£¬3£¬2£¬4 C. 1£¬3£¬4£¬2

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D. 4£¬3£¬2£¬1

Èçͼ£¬ÊÇÓÃÒ»¸öTreeView¿Ø¼þÏÔʾµÄ¼ÆËã»úµÄÎļþ¼ÐµÄ²ã´Î½á¹¹£¬µ±Óû§µã»÷ÎҵĵçÄÔ×ó±ßµÄ¡°+¡±Ê±£¬½«´¥·¢µÄʼþÊÇ£¨£©£¨Ñ¡Ò»Ï

A. AfterCheck B. AfterCollapse C. AfterExpend D. AfterSelect

ÔÚADO.NETÖУ¬ÏÂÁдúÂëµÄÔËÐнá¹ûÊÇ£¨£©£¨Ñ¡Ò»Ï

DataTable dt = new DataTable();

dt.Columns.Add(\±àºÅ\, typeof(System.Int16)); dt.Columns.Add(\³É¼¨\, typeof(System.Int16)); for (int i = 1; i <= 3; i++) {

DataRow dr = dt.NewRow(); dr[0] = i;

dt.Rows.Add(dr); }

Console.WriteLine(dt.Rows.Count);

A. 1 B. 2 C. 3 D. 4

Èçͼ£¬ÔÚWinFormsÖÐÓиöToolBar¿Ø¼þ£¬Í¼ÖÐCancel°´Å¥µÄStyleÊôÐÔΪ£¨£©£¨Ñ¡Ò»Ï

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a)PushButton b)ToggleButton c)Separator

d)DropDownButton

Èçͼ£¬ÔÚWinForms´°ÌåÖÐÓÐÒ»¸öÃûΪdgScoreµÄDataGridView¿Ø¼þÖÐÏÈÏÔʾÁË5Ìõ¼Ç¼£¬ÒÑÖª¸Ã¿Ø¼þµÄÊý¾ÝÔ´ÊÇÒ»¸öÃûΪdtScoreµÄDataTable¶ÔÏó£¬ÏÂÁУ¨£©·½·¨¿ÉÒÔʹDataGridViewÖ»ÏÔʾͼÖеĵÚÒ»Ìõ¼Ç¼¡££¨Ñ¡Ò»Ï

A. DataView dvScore = new DataView(dtScore);

dvScore.RowFilter = \; dgScore.DataSource = dvScore;

B. DataView dvScore = new DataView(dtScore);

dvScore.RowFilter = \; dgScore.DataSource = dtScore; C. for (int i = 1; i < 5; i++)

{

dtScore.Rows[i].Delete();

}

dgScore.DataSource = dtScore;

D. DataView dvScore = new DataView(dtScore);

dgScore.DataSource = dvScore[0];

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ADO.NETµÄ£¨£©¶ÔÏóÓÃÀ´½¨Á¢Êý¾Ý¿âºÍÓ¦ÓóÌÐòµÄÁ¬½Ó£¨£©£¨Ñ¡Ò»Ï A. DataSet B. DataReader C. Command D. Connection

ÈçͼÊÇWinFormsÖÐÒ»¸öÃûΪstatusBar1µÄ״̬À¸£¬ÔÚ״̬À¸ÖÐÓÐÒ»¸öÃûΪstatusBarPanel1µÄÃæ°å£¬ÏÂÁз½·¨Äܹ»ÕýÈ·»ñµÃÃæ°åÖеÄÎı¾µÄÊÇ£¨£©£¨Ñ¡Á½Ï

A. this.statusBar1.Panels[0].Text B. this.statusBar1[0].Text C. statusBarPanel1.Text D. this.statusBar1.Text

ÒÑÖªÒ»¸öÃûΪ¡°dsOrder¡±µÄÊý¾Ý¼¯ÖÐÓÐÒ»¸öÃûΪ¡°order¡±µÄ±í£¬ÔÚorder±íÖÐÓÐÒ»ÐÐÒ»ÁУ¬ÏÂÁÐÄܹ»ÕýÈ··ÃÎʸñíµÄµÚÒ»ÐеÚÒ»ÁеÄÊÇ£¨£©£¨Ñ¡Ò»Ï A. dsOrder[¡°order¡±].Rows[0][0] B. dsOrder.Tables[0].Rows[0][0] C. dsOrder.Tables[0].Columns[0][0] D. dsOrder[¡°order¡±].Columns[0][0]

ÔÚWinForm´°ÌåÖÐÓÐÒ»¸öÃûΪdgStudent µÄDataGrid ¿Ø¼þ£¬ÎªÁ˽ûÖ¹Óû§¶Ô¸Ã¿Ø¼þÖеÄÊý

¾Ý½øÐÐÅÅÐò£¬Ó¦¸ÃÌí¼Ó£¨£©´úÂ룬ÒÔ±ãDataGrid ¿Ø¼þʧȥÅÅÐò¹¦ÄÜ¡££¨Ñ¡ÔñÒ»Ï a) dgStudent.AllowSorting=true; b) dgStudent.AllowNavigation=true; c) dgStudent.AllowNavigation=false; d) dgStudnet.AllowSorting=false;

ÔÚADO.NET ÖУ¬ÒÑ֪ij³ÌÐòÔ±±àдµÄÊý¾Ý¿âÁ¬½Ó×Ö·û´®ÈçÏ£¬ÔòËûʹÓõÄÊÇ£¨£©.NETÊý¾ÝÌṩ³ÌÐò¡£

¡°provider=MSDAORA;Data Source=pubs; UserID=sa;PassWord=##¡± (Ñ¡ÔñÒ»Ïî) a) SQL b) OLE DB c) ODBC d) Oracle

ÏÂÁйØÓÚADO.NETµÄÌØµã˵·¨´íÎóµÄÊÇ£¨£©¡££¨Ñ¡ÔñÒ»Ï a) ÔÚADO.NET ÖУ¬Êý¾ÝÊÇÒÔXML¸ñʽ´æ´¢µÄ£¬¾ßÓнϺõĻ¥²Ù×÷ÐÔ¡£ b) ADO.NET²ÉÓöϿªÊ½Êý¾Ý½á¹¹£¬ÕâÔöÇ¿ÁËÓ¦ÓóÌÐòµÄ¿ªÏú c) ÔÚADO.NETÖУ¬¿ÉÒÔʹÓÃC#¡¢VB.NETµÈÓïÑÔ±àд³ÌÐò d) ADO.NETµÄÐÔÄܱȻùÓÚCOM µÄADOºÃ

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ÔÚNETÖУ¬µ±Óû§ÔÚ·þÎñ¿ØÖƹÜÀíÆ÷ÖÐÆô¶¯Ò»¸öÃûΪ¡±ExamAnalyzeService¡±µÄ·þÎñºó£¬ÏÂÁУ¨£©·½·¨Ê×Ïȱ»Ö´ÐС££¨Ñ¡ÔñÒ»Ï a) Main b) ExamAnalyzeService c) OnStart d) OnStop

ÔÚADO.NETÖУ¬ÏÂÁУ¨£©×é¼þÓÃÀ´»ñµÃÖ»¶ÁÖ»½øÊý¾Ý¡££¨Ñ¡ÔñÒ»Ï a) DataSet b) Command c) DataReader d) DataAdapter

ÔÚ.NETÖУ¬.NET FrameworkÓÉ£¨£©×é³É¡££¨Ñ¡ÔñÒ»Ï a) FCLºÍCLR b) CLSºÍCTS

c) ADO.NETASP.NET d) WinformºÍASP.NET

ÔÚ.NETÖУ¬ÔÚ´°ÌåÖÐÏÔʾһ¸öÏûÏ¢¿ò£¬²¢ÔÚµãYes°´Å¥Ê±¹Ø±Õ´°¿Ú£¬´úÂëÈçÏÂ: MessageBoxButtons buttons=MessageBoxButtons.YesNo; DialogResult result;

// (1)´Ë´¦ÌîдÕýÈ·µÄ´úÂë If (result==DialogResult.Yes)

{

this.Close(); }

ÔòÄúÈÏΪÔÚ(1)´¦×îºÏÊʵĴúÂëÓ¦¸ÃÊÇ()¡££¨Ñ¡ÔñÒ»Ï

a) result=MessageBox.Show(this,¡±Cancel this operation?¡±,¡±No Server Name

Specified¡±,bottons);

b) result=MessageBox(this,¡±Cancel this operation?¡±,¡±No Server Name

Specified¡±,bottons);

c) result=MessageBox.Show(¡°Cancel this operation?¡±,¡±No Server Name Specified¡±); d) result=MessageBox(¡°Cancel this operation?¡±,¡±No Server Name Specified¡±);

Èçͼ,ÔÚWinforms´°ÌåÖÐÓÐÒ»¸öTextBoxÎı¾¿ò¿Ø¼þ,¿Ø¼þûÓÐÓëTextChangedʼþ½øÐаó¶¨.¸Ã¿Ø¼þĿǰ¾ßÓÐÊäÈë½¹µã,µ±Óû§°´Ï¡±Q¡±¼üºó,µ¯³öÁËÒ»¸öÏûÏ¢¿ò,ÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ() (Ñ¡ÔñÒ»Ïî)

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a) b) c) d) ´°ÌåµÄKeyPreviewÊôÐÔΪTrue ´°ÌåµÄKeyPreviewÊôÐÔΪFalse Îı¾¿òµÄKeyPreviewÊôÐÔΪTrue Îı¾¿òµÄKeyPreviewÊôÐÔΪ False

ÈçͼËùʾ,ÔÚWinFormsÖеÄÒ»¸ö´°ÌåÖÐÓÐÒ»¸öÃûΪmnmMenuµÄÖ÷²Ëµ¥,ÏÂÁдúÂë()¿ÉÒÔÒÆ³ýͼÖС±Îļþ¡±²Ëµ¥Ïî.

a)This.munMenu.Menulitems.Remove(¡°Îļþ¡±); b)This.munMenu.Menulitems.RemoveAT(0); c)This.munMenu.Menulitems.RemoveAT(1);

d)This.munMenu.Menulitems.RemoveAT(¡°Îļþ¡±);

ÔÚWinFormsÖÐ,ÓиöÀàÃûΪFormµÄ´°Ìå,ÏÂÁдúÂëÄܹ»ÕýÈ·°Ñ¸Ã´°ÌåÏÔʾΪģʽ¶Ô»°¿òµÄÊÇ

a) Form f=new Form();

f.Show(); f.Modal=true;

b) Form f=new Form(Dialog); c) Form f=new Form();

f.Activate();

d) Form f=new Form();

f.ShowDialog();

ÔÚWinFormsÖУ¬ÓÐÒ»¸ö¶àÎĵµÓ¦ÓóÌÐò£¬Ö÷´°ÌåÖдò¿ªÁËÈý¸ö×Ó´°Ì壬²¼¾ÖÈçͼËùʾ£¬ÇëÎʸò¼¾ÖÊÇͨ¹ý£¨£©´úÂëʵÏֵġ£ £¨Ñ¡ÔñÒ»Ï

a) b) c) d)

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this.LayoutMdi(MdiLayout.Cascade);

this.LayoutMdi(MdiLayout.TileHorizontal); this.LayoutMdi(MdiLayout.TileVertical); this.LayoutMdi(MdiLayout.ArrangeIcons);

ÔÚ.NETÖУ¬ÒÑÖªExamAnalyzeServiceÊÇÒ»¸öWindowsÓû§·þÎñ£¬ÏÂÁдúÂëÄܹ»°Ñ¸Ã·þÎñ¼ÓÔØµ½ÄÚ´æµÄÊÇ£¨£©¡£ £¨Ñ¡ÔñÒ»Ï a) ExamAnalyzeService.Run();

b) System.ServiceProcess.ServiceBase.Run(ExamAnalyzeService); c) ExamAnalyzeService.Start();

d) System.ServiceProcess.ServiceBase.Start(ExamAnalyzeService);

ÔÚADO.NETÖУ¬ÏÂÁУ¨£©²»ÊôÓÚSqlDataAdapter¶ÔÏóµÄÊôÐÔ¡£ (Ñ¡ÔñÒ»Ïî) a) SqlCommand b) SelectCommand c) DeleteCommand d) InsertCommand e) UpdateCommand

ÔÚ.NETÖÐ,ÏÂÁÐ( )ÊôÓÚSystem.NetÃüÃû¿Õ¼äÖеÄÀà. (Ñ¡ÔñÒ»Ïî) a)TcpClient b)TcpListener c)UdpClient d)WebClient

ÔÚWinFormÖУ¬Ä³³ÌÐòԱΪ´°ÌåÖеÄÒ»¸öÃûΪdgvAuthorµÄDataGrid¿Ø¼þÉèÖÃÁËÊý¾ÝÔ´£¬

²¢ÕýÈ·ÏÔʾÁËÊý¾Ý£¬ÒÑÖªÊý¾ÝÔ´Öй²ÓÐrowNumÐС¢colNumÁÐÊý¾Ý£¬ÓÉÓÚrowNum½Ï´ó£¬DataGrid¿Ø¼þÖеÄËùÓÐÐв¢²»ÍêÈ«¿É¼û£¬¸Ã³ÌÐòÔ±¿ÉÒÔͨ¹ý£¨£©»ñµÃDataGrid¿Ø¼þÖÐ×îºóÒ»¸öµ¥Ôª¸ñµÄÖµ¡£ £¨Ñ¡ÔñÒ»Ï A) dgAuthor[rowNum,colNum] B) dgAuthor[rowNum-1,colNum-1]

C) dgAuthor[dgAuthor.VisibleRowCount-1,dgAuthor.VisibleColumnCount-1] D) dgauthor[dgAuthor.VisibleRowCount,dgAuthor.VisibleColumnCount]

ÔÚADO.NETÖУ¬ÏÂÁпÉÒÔ×÷ΪDataGridView¿Ø¼þµÄÊý¾ÝÔ´ÊÇ£¨ £©£¨Ñ¡ÔñÒ»Ï

1.DataSet 2.DataTable 3.DataView

a) 1ºÍ2

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b) 1ºÍ3 c) 2ºÍ3

d) 1. 2 3¶¼¿ÉÒÔ

ÔÚADO¡£NETÖУ¬ÒÑÖª±äÁ¿sqlCmdÊÇÒ»¸öSqlCommand¶ÔÏó£¬ÔòÏÂÁдúÂëÔËÐÐʱ

½«³öÏÖÒì³£µÄÊÇ£¨£©¡£

SqlDataReader reader=sqlCmd.ExecuteReader();//1 reader.Read(); //2 reader.Close(); //3 reader.Read(); //4 a) 1 b) 2 c) 3 d) 4

ÔÚNETÖУ¬ÏÂÁУ¨£©ÊôÓÚSystem.Net.SocketÃüÁî¿Õ¼äÖеÄÀà¡££¨Ñ¡Ôñ¶þÏ a) WebClient b) WebRequest c) TcpClient d) UdpClient

ÔÚWinFormsÖУ¬ÒÑÖªÓÐÒ»¸öÃûΪForm1µÄ´°Ì壬ÇëÎÊÏÂÁдúÂëÖ´Ðйý³ÌÖУ¬×îÏÈ´¥·¢µÄʼþÊÇ£¨£©¡££¨Ñ¡ÔñÒ»Ï Form1 f=new Form1(); f.Activate(); f.Show(); f.Close(); a) Load

b) Activated c) Closing d) Closed

ÔÚNETÖУ¬ÏÂÁйØÓÚWindows·þÎñµÄÌØµã£¬Ëµ·¨ÕýÈ·µÄÊÇ£¨£©¡££¨Ñ¡ÔñÒ»Ï

a) Windows·þÎñ²»ÐèÒªÔÚWindows×¢²á±íÖнøÐÐ×¢²á

b) ½«Ò»¸öWindowsÓ¦ÓóÌÐòÌí¼Óµ½WindowsµÄÆô¶¯×éºó£¬¸ÃÓ¦ÓóÌÐòÓëÆäËûWondows

·þÎñÒ»Ñù¸úËæÏµÍ³µÄÆô¶¯¶øÔËÐÐ

c) Windows·þÎñ²»ÐèÒªÓû§µÇ¼ϵͳ¾Í¿ÉÒÔÔËÐÐ d) Windows·þÎñÊDzÙ×÷ϵͳ×Ô´øµÄÓ¦ÓóÌÐò

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ÔÚADO.NETÖУ¬ÏÂÁйØÓÚDataSetÀà˵·¨´íÎóµÄÊÇ£¨£©¡££¨Ñ¡Ôñ¶þÏ

a) ÔÚDataSetÖУ¬¿ÉÒÔ°üº¬¶à¸öDataTable

b) ÐÞ¸ÄDataSetÖеÄÊý¾Ýºó£¬Êý¾Ý¿âÖеÄÊý¾Ý¿ÉÒÔ×Ô¶¯¸üРc) ÔÚÓëÊý¾Ý¿â¶Ï¿ªÁ¬½Óºó£¬DataSetÖеÄÊý¾Ý»áÏûʧ

d) DataSetʵ¼ÊÉÏÊÇ´ÓÊý¾ÝÔ´ÖмìË÷µÄÊý¾ÝÔÚÄÚ´æÖеĻº´æ

ÔÚһ̨ÃûΪABCµÄSQL Server·þÎñÆ÷ÉÏ£¬ÓÐÒ»¸öÃûΪExamµÄÊý¾Ý¿â£¬¹ÜÀíԱΪ¸ÃÊý¾Ý¿â´´½¨ÁËÒ»¸öÓû§£¬Óû§ÃûΪbill£¬ÃÜÂëÊÇ123456¡£ÎªÁËʹÓÃADO.NETÔڸ÷þÎñÆ÷£¨±¾µØ·þÎñÆ÷µÄIPµØÖ·ÊÇ127.0.0.1£©ÉϲÙ×÷¸ÃÊý¾Ý¿â£¬ÏÂÁÐÁ¬½Ó×Ö·û´®±àд²»ÕýÈ·µÄÊÇ£¨£©£¨Ñ¡ÔñÒ»Ï

a) ¡°server = ABC;database = Exam;uid = bill;pwd = 123456;¡± b) ¡°server = ABC;database = Exam;integrated security = sspi¡± c) ¡°server = .;database = Exam;uid = bill;pwd = 123456¡±

d) ¡°server = 127.0.0.1;database = Exam;integrated security = sspi¡±

ÔÚADO.NETÖУ¬ÏÂÁдúÂëÔËÐкóµÄÊä³ö½á¹ûÊÇ£¨ £©¡£

DataTable dt = new DataTable();

dt.Columns.Add(¡°±àºÅ¡±,typeof(System..Int16)); dt.Columns.Add(¡°³É¼¨¡±,typeof(System.Single)); dt.Columns[1].DefaultValue = 60; DataRow dr = dt.NewRow(); dr[0] = 10;

dt.Rows.Add(dr);

Console.WriteLine(dt.Rows[0][1]); £¨Ñ¡ÔñÒ»Ï a) 0 b) 1 c) 10 d) 60

ÔÚADO.NETÖУ¬ÏÂÁдúÂëÔËÐкóµÄÊä³ö½á¹ûÊÇ£¨£©¡£ DataTable dt = new DataTable(); dt.Columns.Add(¡°±àºÅ¡±,typeof(System.Int16)); for(int I = 1;i<=5;i++) { DataRow dr = dr.NewRow(); dr[0]=i; dt.Rows.Add(dr);

}

Console.WriteLine(dt.Rows[2][0]); (Ñ¡ÔñÒ»Ïî) a) 0 b) 1

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c) 2 d) 3

ÔÚÒ»WinForm ´°ÌåÖУ¬ÓÐÒ»¸öÃûΪtypeTreeViewµÄTreeView¿Ø¼þ£¬¿Ø¼þµÄ½ÚµãÈçͼËùʾ£¬

ΪÁË»ñȡͼÖÐÑ¡ÖнڵãµÄÎı¾£¬ÏÂÁдúÂëÕýÈ·µÄÊÇ£¨£©¡££¨Ñ¡ÔñÒ»Ï a) typeTreeView.Nodes[0].Nodes[1].Text; b) typeTreeView.Nodes[1].Nodes[2].Text; c) typeTreeView.Nodes[0].Nodes[1].Nodes[1].Text; d) typeTreeView.Nodes[1].Nodes[2].Nodes[2].Text;

48) ¼ºÖª±¾µØ·þÎñÆ÷µÄStudentÊý¾Ý¿âÖÐÓÐÒ»¸öѧÉúÐÅÏ¢±í£¬±íÉè¼ÆÈçͼËùʾ¡£Ä¿Ç°ÔÝÎÞ

¼Ç¼£¬ÔòÏÂÁдúÂëÔËÐкó£¬ÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ£¨£©¡££¨Ñ¡ÔñÒ»Ï SqlConnection sqlCon=null ; SqlTransaction sqlTran = null; try{ sqlCon=new SqlConnection(¡°Server=.;DataBase=Student;Integrated Security =SSPI¡±); splCon.Open(); sqlTran = sqlCom = sqlCon.CreateCommand(); sqlCom.Transaction = sqlTran; sqlCom.CommandText = ¡°insert into stuInfo(stuID,stuName)values(1,¡¯ÀîåÓ¡¯)¡±; sqlCom.ExecuteNonQuery(); sqlTran.Save(¡°1¡±); sqlCom.CommandText=¡±insert into stuInfo(stuID,stuName) values(1,¡¯ÕÅ·É¡¯)¡±; sqlCom.ExecuteNomQuery(); sqlTran.Commit(); }

catch(Exception ex){ sqlTran.Rollback(¡°1¡±); sqlTran.Commit(); Console.WriteLine(ex.Message); }

finally{ sqlCon.Close(); } a) ±íÖÐûÓмǼ b) ±íÖÐÓÐÒ»Ìõ¼Ç¼ c) ±íÖÐÓÐÁ½Ìõ¼Ç¼ d) ±íÖмǼÊý²»È·¶¨

5) ÔÚWinFormÖУ¬ÎªÁ˽ûÓÃÒ»¸öÃûΪbtnOpenµÄButton¿Ø¼þ¿Ø¼þ£¬ÏÂÁÐ×ö·¨ÕýÈ·µÄÊÇ£¨£©¡£

£¨Ñ¡ÔñÒ»Ï

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a) b) c) d) btnOpen.Enable = true; btnOpen.Enable = false; btnOpen.Visible = true; btnOpen.Visible = false;

6) ÏÂÁйØÓÚWinForms·þÎñµÄÌØµã£¬Ëµ·¨ÕýÈ·µÄÊÇ£¨£©¡££¨Ñ¡ÔñÒ»Ï

a) Windows·þÎñ¿ÉÒÔͨ¹ýË«»÷Ó¦ÓóÌÐòͼ±êÀ´Æô¶¯ b) Windows·þÎñÔÚϵͳÆô¶¯Ê±¿ªÊ¼ÔËÐÐ c) Windows·þÎñÔÚÓû§µÇ½ϵͳºó¿ªÊ¼ÔËÐÐ d) Windows·þÎñÆô¶¯ºó±ã²»ÄÜÍ£Ö¹

ij³ÌÐòÔ±ÔÚDÅ̸úĿ¼Ï´´½¨ÁËÒ»¸öÃûΪStudent.mdbµÄACCESSÊý¾Ý¿â£¬ÔÚÊý¾Ý¿âÖн¨

Á¢Ò»¸öÃûΪStudentInfoµÄѧÉúÐÅÏ¢±í£¬ÎªÁË·ÃÎÊѧÉúÐÅÏ¢±íÖеÄÊý¾Ý£¬³ÌÐòÔ±±àдÁËÒÔÏ´úÂ룬ÄãÈÏΪ³ÌÐòÔËÐе½µÚ£¨£©Ìõ´úÂëʱ£¬½«»á³ö´í¡££¨Ñ¡ÏîÒ»Ï OleDbConnection oleCon = new OleDbConnection(¡°Provider=Microsoft.Jet.OLEDB.4.0;Data

Source=D:\\\\Student.mdb¡±); //(1)

OleDbDataAdapter da = new OleDbDataAdapter(¡°select * from studentInfo¡±,oleCon); //(2) DataSet ds; //(3) Da.Fill(da,¡±studentInfo¡±); //(4) oleCon.Close(); //(5) a) 1 b) 2 c) 3

d) 4 e) 5

ij³ÌÐòÔ±ÔÚADO.NETÖпª·¢ÖбàдÁËÏÂÁм¸Ìõ´úÂ룬Äã¾õµÃ´íÎóµÄÓ¦¸ÃÊǵڣ¨£©Ìõ¡£ OleDbCommand oleCmd = new OleDbCommand(); //(1) OleDbConnection oleCon=new OleDbConnection(¡°Server=SQLDB;DataBase=pubs;uid=sa;pwd=pwd¡±);//(2)

oleCmd.Connection = oleCon; //(3) oleCmd.Connection.Open(); //(4) oleCmd.ConnectionText=¡±select * from authors¡±; //(5) oleCmd.ConnectionType=CommandType.StoredProcedure; //(6) oleCmd.ExecuteScalar(); //(7) oleCmd.Connection.Close(); //(8) £¨Ñ¡ÏîÒ»Ï a) 1 b) 3

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c) 6 d) 7

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a) MessageBox.Show(¡°¹Ø±ÕÌáʾ¡±,¡±È·¶¨¹Ø±ÕÂð¡±);

b) MessageBox.Show(¡°È·¶¨¹Ø±ÕÂð¡±,¡±¹Ø±ÕÌáʾ¡±,MessageBoxButtons.Ok); c) MessageBox.Show(¡°¹Ø±ÕÌáʾ¡±,¡±È·¶¨¹Ø±ÕÂð¡±,MessageBoxButtons.Yes); d) MessageBox.Show(¡°È·¶¨¹Ø±ÕÂð¡±,¡±¹Ø±ÕÌáʾ¡±,MessageBoxButtons.YesNo);

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AcceptButtonÊôÐÔÖ¸¶¨µÄ°´Å¥µÄClickʼþ

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Ñ¡°´Å¥·ÅÖÃÔÚ´°ÌåÖУ¬ÔòÒÔÏÂ˵·¨ÕýÈ·µÄÊÇ£¨£©¡££¨Ñ¡ÔñÒ»Ï a) Á½¸öµ¥Ñ¡°´Å¥¿ÉÒÔͬʱ±»Ñ¡ÖУ¬¼´±»¿´×÷ÊÇÁ½¸öµ¥¶ÀµÄ×é b) Èç¹û´°ÌåÖл¹´æÔÚÓÐÆäËûµÄÒѾ­·Ö×éµÄµ¥Ñ¡°´Å¥£¬ÔòÕâÁ½¸öµ¥Ñ¡°´Å¥×Ô¶¯±»¼Ó

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c) Á½¸öµ¥Ñ¡°´Å¥±»×Ô¶¯Ä¬ÈÏΪһ×é

d) ÔËÐб¨´í£¬Ìáʾ±ØÐëʹÓ÷Ö×é¿Ø¼þ¶Ôµ¥Ñ¡°´Å¥½øÐзÖ×é

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DataSet ds = new DataSet(); DataTable dt = new Data Table();

dt.Columns.Add(¡°name¡±,typeof(System.String)); DataRow dr = dt.NewRow(); dr[0]=¡±ÀîËÄ¡±; dt.Rows.Add(dr); ds.Tables.Add(dt);

Console.WriteLine(ds.HasChanges()); (Ñ¡ÔñÒ»Ïî) a) ÀîËÄ b) true c) false

d) ûÓÐÊä³ö

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