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這篇文章主要介紹“C#數(shù)據(jù)庫(kù)編程的相關(guān)知識(shí)點(diǎn)有哪些”,在日常操作中,相信很多人在C#數(shù)據(jù)庫(kù)編程的相關(guān)知識(shí)點(diǎn)有哪些問(wèn)題上存在疑惑,小編查閱了各式資料,整理出簡(jiǎn)單好用的操作方法,希望對(duì)大家解答”C#數(shù)據(jù)庫(kù)編程的相關(guān)知識(shí)點(diǎn)有哪些”的疑惑有所幫助!接下來(lái),請(qǐng)跟著小編一起來(lái)學(xué)習(xí)吧!
一.程序設(shè)計(jì)和運(yùn)行的環(huán)境設(shè)置:
(1).視窗2000服務(wù)器版
(2).MicrosoftDataAcessComponent2.6以上版本(MDAC2.6)
(3)..NetFrameWorkSDKBeta2
為了更清楚的說(shuō)明問(wèn)題,在數(shù)據(jù)庫(kù)的選用上,采用了當(dāng)前比較典型的數(shù)據(jù)庫(kù),一個(gè)是本地?cái)?shù)據(jù)庫(kù)Access2000,另外一個(gè)是遠(yuǎn)程數(shù)據(jù)庫(kù)SqlServer2000。其中本地?cái)?shù)據(jù)庫(kù)名稱為"db.mdb",在其中定義了一張數(shù)據(jù)表"person","person"表的數(shù)據(jù)結(jié)構(gòu)如下表:
字段名稱字段類(lèi)型字段意思
id數(shù)字序號(hào)
xm文本姓名
<xb文本性別
nl文本年齡
zip文本郵政編碼
遠(yuǎn)程數(shù)據(jù)庫(kù)SqlServer2000的數(shù)據(jù)庫(kù)服務(wù)器名稱為"Server1",數(shù)據(jù)庫(kù)名稱為"Data1",登陸的ID為"sa",口令為空,在數(shù)據(jù)庫(kù)也定義了一張"person"表,數(shù)據(jù)結(jié)構(gòu)如上表。
二.精通C#數(shù)據(jù)庫(kù)編程之如何瀏覽數(shù)據(jù):
在《VisualC#的數(shù)據(jù)綁定》中,已經(jīng)了解了如何把數(shù)據(jù)集中的某些字段綁定到WinForm組件的某個(gè)屬性上,這樣程序員就可以根據(jù)以WinForm組件的來(lái)定制數(shù)據(jù)顯示的形式,并且此時(shí)的WinForm組件顯示內(nèi)容就可以隨著記錄指針的變化而改變。至此可見(jiàn),瀏覽數(shù)據(jù)記錄的關(guān)鍵就是如何改變記錄指針。要實(shí)現(xiàn)這種操作,就要使用到BindingManagerBase類(lèi),此類(lèi)的主要作用是管理對(duì)于那些實(shí)現(xiàn)了對(duì)同一個(gè)數(shù)據(jù)源進(jìn)行綁定的對(duì)象。說(shuō)的具體些,就是能夠使得Windows窗體上的已經(jīng)對(duì)同一數(shù)據(jù)源進(jìn)行數(shù)據(jù)綁定的組件保持同步。在BindingManagerBase類(lèi)中定義了一個(gè)屬性"Position",通過(guò)這個(gè)屬性就可以改變BindingManagerBase對(duì)象中的數(shù)據(jù)指針。創(chuàng)建BindingManagerBase對(duì)象必須要使用到BindingContext類(lèi),其實(shí)每一個(gè)由Control類(lèi)中繼承而得到的對(duì)象,都有單一的BindingContext對(duì)象,在大多數(shù)創(chuàng)建窗體中實(shí)現(xiàn)數(shù)據(jù)綁定組件的BindingManagerBase對(duì)象是使用Form類(lèi)的BindingContext來(lái)得到。下列代碼是以Access2000數(shù)據(jù)庫(kù)為模型,創(chuàng)建的一個(gè)名稱為"myBind"的BindingManagerBase對(duì)象。
//創(chuàng)建一個(gè)OleDbConnectionstringstrCon="Provider=Microsoft.Jet.OLEDB.4.0;DataSource=db.mdb";OleDbConnectionmyConn=newOleDbConnection(strCon);stringstrCom="SELECT*FROMperson";file://創(chuàng)建一個(gè)DataSetmyDataSet=newDataSet();myConn.Open();file://用OleDbDataAdapter得到一個(gè)數(shù)據(jù)集OleDbDataAdaptermyCommand=newOleDbDataAdapter(strCom,myConn);file://把Dataset綁定books數(shù)據(jù)表myCommand.Fill(myDataSet,"person");file://關(guān)閉此OleDbConnectionmyConn.Close();myBind=this.BindingContext[myDataSet,"person"];
下列代碼是以SqlServer2000數(shù)據(jù)庫(kù)為模型,創(chuàng)建一個(gè)名稱為"myBind"的BindingManagerBase對(duì)象。
//設(shè)定數(shù)據(jù)連接字符串,此字符串的意思是打開(kāi)Sqlserver數(shù)據(jù)庫(kù),//服務(wù)器名稱為server1,數(shù)據(jù)庫(kù)為data1stringstrCon="Provider=SQLOLEDB.1;PersistSecurityInfo=False; UserID=sa;InitialCatalog=data1;DataSource=server1"; OleDbConnectionmyConn=newOleDbConnection(strCon);myConn.Open();stringstrCom="SELECT*FROMperson"; file://創(chuàng)建一個(gè)DataSetmyDataSet=newDataSet(); file://用OleDbDataAdapter得到一個(gè)數(shù)據(jù)集OleDbDataAdaptermyCommand=newOleDbDataAdapter(strCom,myConn); file://把Dataset綁定person數(shù)據(jù)表myCommand.Fill(myDataSet,"person"); file://關(guān)閉此OleDbConnectionmyConn.Close(); myBind=this.BindingContext[myDataSet,"person"];
得到了是同一數(shù)據(jù)源的BindingManagerBase對(duì)象,通過(guò)改變此對(duì)象的"Position"屬性值,這樣綁定數(shù)據(jù)的組件顯示的數(shù)據(jù)就隨之變化,從而實(shí)現(xiàn)導(dǎo)航數(shù)據(jù)記錄。
<I>.導(dǎo)航按鈕"上一條"實(shí)現(xiàn)方法:
protectedvoidGoPrevious(objectsender,System.EventArgse) {if(myBind.Position==0)MessageBox.Show("已經(jīng)到了第一條記錄!","信息提示!", MessageBoxButtons.OK,MessageBoxIcon.Information);elsemyBind.Position-=1;} <
<II>.導(dǎo)航按鈕"下一條"實(shí)現(xiàn)方法:
protectedvoidGoNext(objectsender,System.EventArgse) {if(myBind.Position==myBind.Count-1)MessageBox.Show("已經(jīng)到了最后一條記錄!","信息提示!", MessageBoxButtons.OK,MessageBoxIcon.Information);elsemyBind.Position+=1;}
<III>.導(dǎo)航按鈕"至尾"實(shí)現(xiàn)方法:
protectedvoidGoLast(objectsender,System.EventArgse){myBind.Position=myBind.Count-1;} <IV>.導(dǎo)航按鈕"至首"實(shí)現(xiàn)方法:protectedvoidGoFirst(objectsender,System.EventArgse){myBind.Position=0;}
注釋?zhuān)?quot;Count"是BindingManagerBase對(duì)象的另外一個(gè)重要的屬性,是數(shù)據(jù)集記錄的總數(shù)。
三.精通C#數(shù)據(jù)庫(kù)編程之實(shí)現(xiàn)刪除記錄:
在對(duì)數(shù)據(jù)記錄進(jìn)行操作的時(shí)候,有二點(diǎn)必須十分清晰:
其一:在對(duì)數(shù)據(jù)記錄進(jìn)行操作的時(shí)候,我想有一些程序員一定有這樣一個(gè)疑惑,當(dāng)對(duì)數(shù)據(jù)庫(kù)服務(wù)器請(qǐng)求數(shù)據(jù)集的時(shí)候,就會(huì)產(chǎn)生"DataSet"對(duì)象,用以管理數(shù)據(jù)集,這樣如果這些對(duì)數(shù)據(jù)庫(kù)服務(wù)器的請(qǐng)求非常多,同樣也就會(huì)產(chǎn)生很多的"DataSet"對(duì)象,達(dá)到一定時(shí)候必然會(huì)使得數(shù)據(jù)庫(kù)服務(wù)器崩潰。這種想法是自然的,但和實(shí)際并不相符,因?yàn)?quot;DataSet"對(duì)象并不是在服務(wù)器端產(chǎn)生的,而是在客戶端產(chǎn)生的。所以面對(duì)眾多的數(shù)據(jù)請(qǐng)求的時(shí)候?qū)?shù)據(jù)庫(kù)服務(wù)器的影響并不十分太大。
其二:記得在用Delphi編寫(xiě)三層數(shù)據(jù)模型的時(shí)候的,每一次對(duì)數(shù)據(jù)庫(kù)的修改其實(shí)只是對(duì)第二層產(chǎn)生的數(shù)據(jù)集的修改,要真正修改數(shù)據(jù)庫(kù),還必須調(diào)用一個(gè)另外的方法。在用ADO.NET處理數(shù)據(jù)庫(kù)的時(shí)候,雖然處理的直接對(duì)象是數(shù)據(jù)庫(kù),但此時(shí)"DataSet"對(duì)象中的內(nèi)容并沒(méi)有隨之改變,而綁定的數(shù)據(jù)組件顯示的數(shù)據(jù)又來(lái)源于"DataSet"對(duì)象,這樣就會(huì)產(chǎn)生一個(gè)錯(cuò)覺(jué),就是修改了的記錄并沒(méi)有修改掉,刪除的記錄并沒(méi)有刪除掉。所以對(duì)數(shù)據(jù)記錄進(jìn)行操作的時(shí)候,在修改數(shù)據(jù)庫(kù)后,還要對(duì)"DataSet"對(duì)象進(jìn)行必要的修改,這樣才能保證"DataSet"對(duì)象和數(shù)據(jù)庫(kù)內(nèi)容一致、同步。下面代碼是刪除當(dāng)前綁定組件顯示的記錄的程序代碼,此代碼是以Access2000數(shù)據(jù)庫(kù)為模板的:
protectedvoidDelete_record(objectsender,System.EventArgse){DialogResultr=MessageBox.Show("是否刪除當(dāng)前記錄!","刪除當(dāng)前記錄!", MessageBoxButtons.YesNo,MessageBoxIcon.Question); intss=(int)r; if(ss==6)//按動(dòng)"確定"按鈕{try{file://連接到一個(gè)數(shù)據(jù)庫(kù)stringstrCon="Provider=Microsoft.Jet.OLEDB.4.0;DataSource=db.mdb"; OleDbConnectionmyConn=newOleDbConnection(strCon); myConn.Open();stringstrDele="DELETEFROMpersonWHEREid="+t_id.Text;OleDbCommandmyCommand=newOleDbCommand(strDele,myConn); file://從數(shù)據(jù)庫(kù)中刪除指定記錄myCommand.ExecuteNonQuery(); file://從DataSet中刪除指定記錄myDataSet.Tables["person"].Rows[myBind.Position].Delete();myDataSet.Tables["person"].AcceptChanges();myConn.Close();} catch(Exceptioned){MessageBox.Show("刪除記錄錯(cuò)誤信息:"+ed.ToString(),"錯(cuò)誤!");}}}
四.精通C#數(shù)據(jù)庫(kù)編程之插入數(shù)據(jù)記錄:
對(duì)數(shù)據(jù)庫(kù)進(jìn)行插入記錄操作和刪除記錄操作基本的思路是一致的,就是通過(guò)ADO.NET首先插入數(shù)據(jù)記錄到數(shù)據(jù)庫(kù),然后對(duì)"DataSet"對(duì)象進(jìn)行必要的修改。下列代碼就是以Access2000數(shù)據(jù)庫(kù)為模型修改當(dāng)前記錄的代碼:
<
protectedvoidUpdate_record(objectsender,System.EventArgse){inti=myBind.Position;try{file://連接到一個(gè)數(shù)據(jù)庫(kù)stringstrCon="Provider=Microsoft.Jet.OLEDB.4.0;DataSource=db.mdb"; OleDbConnectionmyConn=newOleDbConnection(strCon);myConn.Open();myDataSet.Tables["person"].Rows[myBind.Position].BeginEdit(); file://從數(shù)據(jù)庫(kù)中修改指定記錄stringstrUpdt="UPDATEpersonSETxm='"+t_xm.Text+"',xb='"+t_xb.Text+"',nl="+t_nl.Text+",zip="+t_books.Text+"WHEREid="+t_id.Text;OleDbCommandmyCommand=newOleDbCommand(strUpdt,myConn);myCommand.ExecuteNonQuery(); myDataSet.Tables["person"].Rows[myBind.Position].EndEdit();myDataSet.Tables["person"].AcceptChanges();myConn.Close();} catch(Exceptioned){MessageBox.Show("修改指定記錄錯(cuò)誤:"+ed.ToString(),"錯(cuò)誤!");}myBind.Position=i;}
由于對(duì)SqlServer2000數(shù)據(jù)記錄修改操作和Access2000數(shù)據(jù)記錄修改操作的差異只在于不同的數(shù)據(jù)鏈接,具體的代碼可以參考"刪除數(shù)據(jù)記錄"中的代碼,在這里就不提供了。
五.精通C#數(shù)據(jù)庫(kù)編程之插入數(shù)據(jù)記錄
和前面二種操作在思路是一致的,就是通過(guò)ADO.NET首先插入數(shù)據(jù)記錄到數(shù)據(jù)庫(kù),然后對(duì)"DataSet"對(duì)象進(jìn)行必要的修改。下列代碼就是以Access2000數(shù)據(jù)庫(kù)為模型插入一條數(shù)據(jù)記錄的代碼
protectedvoidInsert_record(objectsender,System.EventArgse){try{file://判斷所有字段是否添完,添完則執(zhí)行,反之彈出提示 if(t_id.Text!=""&&t_xm.Text!=""&&t_xb.Text!=""&&t_nl.Text!=""&&t_books.Text!="") {stringmyConn1="Provider=Microsoft.Jet.OLEDB.4.0;DataSource=db.mdb";OleDbConnectionmyConn =newOleDbConnection(myConn1); myConn.Open();stringstrInsert="INSERTINTOperson(id,xm,xb,nl,zip)VALUES(";strInsert+=t_id.Text+",'";strInsert+=t_xm.Text+"','";strInsert+=t_xb.Text+"',"; strInsert+=t_nl.Text+",";strInsert+=t_books.Text+")";OleDbCommandinst=newOleDbCommand(strInsert,myConn); inst.ExecuteNonQuery();myConn.Close();myDataSet.Tables["person"].Rows[myBind.Position].BeginEdit(); myDataSet.Tables["person"].Rows[myBind.Position].EndEdit();myDataSet.Tables["person"].AcceptChanges();} else {MessageBox.Show("必須填滿所有字段值!","錯(cuò)誤!");}} catch(Exceptioned){MessageBox.Show("保存數(shù)據(jù)記錄發(fā)生"+ed.ToString(),"錯(cuò)誤!");}}
同樣對(duì)SqlServer2000數(shù)據(jù)庫(kù)進(jìn)行插入記錄操作和Access2000數(shù)據(jù)庫(kù)插入記錄操作的差異也只在于不同的數(shù)據(jù)鏈接,具體的代碼可以參考"刪除數(shù)據(jù)記錄"中的代碼,在這里就不提供了。
六.VisualC#數(shù)據(jù)庫(kù)編程的完成源代碼和程序運(yùn)行的主界面:
掌握了上面要點(diǎn),編寫(xiě)一個(gè)完整的數(shù)據(jù)庫(kù)編程的程序就顯得非常容易了,下面是VisualC#進(jìn)行數(shù)據(jù)庫(kù)編程的完整代碼(Data01.cs),此代碼是以Access2000數(shù)據(jù)庫(kù)為模型設(shè)計(jì)的,具體如下:
using System ; using System.Drawing ; using System.ComponentModel ; using System.Windows.Forms ; using System.Data.OleDb ; using System.Data ; public class Data : Form { private System.ComponentModel.Container components = null ; private Button lastrec ; private Button nextrec ; private Button previousrec ; private Button firstrec ; private TextBox t_books ; private TextBox t_nl ; private ComboBox t_xb ; private TextBox t_xm ; private TextBox t_id ; private Label l_books ; private Label l_nl ; private Label l_xb ; private Label l_xm ; private Label l_id ; private Label label1 ; private DataSet myDataSet ; private Button button1 ; private Button button2 ; private Button button3 ; private Button button4 ; private BindingManagerBase myBind ; public Data ( ) { file://連接到一個(gè)數(shù)據(jù)庫(kù) GetConnected ( ) ; // 對(duì)窗體中所需要的內(nèi)容進(jìn)行初始化 InitializeComponent ( ) ; } file://清除在程序中使用過(guò)的資源 protected override void Dispose( bool disposing ) { if( disposing ) { if ( components != null ) { components.Dispose ( ) ; } } base.Dispose( disposing ) ; } public static void Main ( ) { Application.Run ( new Data ( ) ) ; } public void GetConnected ( ) { try { file://創(chuàng)建一個(gè) OleDbConnection string strCon = " Provider = Microsoft.Jet.OLEDB.4.0 ; Data Source = db.mdb" ; OleDbConnection myConn = new OleDbConnection ( strCon ) ; string strCom = " SELECT * FROM person " ; file://創(chuàng)建一個(gè) DataSet myDataSet = new DataSet ( ) ; myConn.Open ( ) ; file://用 OleDbDataAdapter 得到一個(gè)數(shù)據(jù)集 OleDbDataAdapter myCommand = new OleDbDataAdapter ( strCom , myConn ) ; file://把Dataset綁定books數(shù)據(jù)表 myCommand.Fill ( myDataSet , "person" ) ; file://關(guān)閉此OleDbConnection myConn.Close ( ) ; } catch ( Exception e ) { MessageBox.Show ( "連接錯(cuò)誤! " + e.ToString ( ) , "錯(cuò)誤" ) ; } } private void InitializeComponent ( ) { file://添加控件,略 this.Name = "Data" ; this.Text = "Visual C#的數(shù)據(jù)庫(kù)編程!" ; this.ResumeLayout(false) ; myBind = this.BindingContext [ myDataSet , "person" ] ; } protected void New_record ( object sender , System.EventArgs e ) { t_id.Text = ( myBind.Count + 1 ).ToString ( ) ; t_xm.Text = "" ; t_xb.Text = "" ; t_nl.Text = "" ; t_books.Text = "" ; } protected void Insert_record ( object sender , System.EventArgs e ) { try { file://判斷所有字段是否添完,添完則執(zhí)行,反之彈出提示 if ( t_id.Text != "" && t_xm.Text != "" && t_xb.Text != "" && t_nl.Text != "" && t_books.Text != "" ) { string myConn1 = " Provider = Microsoft.Jet.OLEDB.4.0 ; Data Source = db.mdb" ; OleDbConnection myConn = new OleDbConnection ( myConn1 ) ; myConn.Open ( ) ; string strInsert = " INSERT INTO person ( id , xm , xb , nl , zip ) VALUES ( " ; strInsert += t_id.Text + ", '" ; strInsert += t_xm.Text + "', '" ; strInsert += t_xb.Text + "', " ; strInsert += t_nl.Text + ", " ; strInsert += t_books.Text + ")" ; OleDbCommand inst = new OleDbCommand ( strInsert , myConn ) ; inst.ExecuteNonQuery ( ) ; myConn.Close ( ) ; myDataSet.Tables [ "person" ] . Rows [ myBind.Position ] . BeginEdit ( ) ; myDataSet.Tables [ "person" ] . Rows [ myBind.Position ] . EndEdit ( ) ; myDataSet.Tables [ "person" ] . AcceptChanges ( ) ; } else { MessageBox.Show ( "必須填滿所有字段值!" , "錯(cuò)誤!" ) ; } } catch ( Exception ed ) { MessageBox.Show ( "保存數(shù)據(jù)記錄發(fā)生 " + ed.ToString ( ) , "錯(cuò)誤!" ) ; } } protected void Update_record ( object sender , System.EventArgs e ) { int i = myBind.Position ; try{ file://連接到一個(gè)數(shù)據(jù)庫(kù) string strCon = " Provider = Microsoft.Jet.OLEDB.4.0 ; Data Source = db.mdb " ; OleDbConnection myConn = new OleDbConnection ( strCon ) ; myConn.Open ( ) ; myDataSet.Tables [ "person" ] . Rows [ myBind.Position ] . BeginEdit ( ) ; file://從數(shù)據(jù)庫(kù)中修改指定記錄 string strUpdt = " UPDATE person SET xm = '" + t_xm.Text + "' , xb = '" + t_xb.Text + "' , nl = " + t_nl.Text + " , zip = " + t_books.Text + " WHERE id = " + t_id.Text ; OleDbCommand myCommand = new OleDbCommand ( strUpdt , myConn ) ; myCommand.ExecuteNonQuery ( ) ; myDataSet.Tables [ "person" ] . Rows [ myBind.Position ] . EndEdit ( ) ; myDataSet.Tables [ "person" ] . AcceptChanges ( ) ; myConn.Close ( ) ; } catch ( Exception ed ) { MessageBox.Show ( "修改指定記錄錯(cuò)誤: " + ed.ToString ( ) , "錯(cuò)誤!" ) ; } myBind.Position = i ; } protected void Delete_record ( object sender , System.EventArgs e ) { DialogResult r = MessageBox.Show ( "是否刪除當(dāng)前記錄!" , "刪除當(dāng)前記錄!" , MessageBoxButtons.YesNo, MessageBoxIcon.Question ) ; int ss = ( int ) r ; if ( ss == 6 ) // 按動(dòng)"確定"按鈕 { try{ file://連接到一個(gè)數(shù)據(jù)庫(kù) string strCon = " Provider = Microsoft.Jet.OLEDB.4.0 ; Data Source = db.mdb " ; OleDbConnection myConn = new OleDbConnection ( strCon ) ; myConn.Open ( ) ; string strDele = "DELETE FROM person WHERE id= " + t_id.Text ; OleDbCommand myCommand = new OleDbCommand ( strDele , myConn ) ; file://從數(shù)據(jù)庫(kù)中刪除指定記錄 myCommand.ExecuteNonQuery ( ) ; file://從DataSet中刪除指定記錄 myDataSet.Tables [ "person" ] . Rows [ myBind.Position ] . Delete ( ) ; myDataSet.Tables [ "person" ] . AcceptChanges ( ) ; myConn.Close ( ) ; } catch ( Exception ed ) { MessageBox.Show ( "刪除記錄錯(cuò)誤信息: " + ed.ToString ( ) , "錯(cuò)誤!" ) ; } } } file://按鈕"尾記錄"對(duì)象事件程序 protected void GoLast ( object sender , System.EventArgs e ) { myBind.Position = myBind.Count - 1 ; } file://按鈕"下一條"對(duì)象事件程序 protected void GoNext ( object sender , System.EventArgs e ) { if ( myBind.Position == myBind.Count -1 ) MessageBox.Show ( "已經(jīng)到了最后一條記錄!", "信息提示!" , MessageBoxButtons.OK , MessageBoxIcon.Information ) ; else myBind.Position += 1 ; } file://按鈕"上一條"對(duì)象事件程序 protected void GoPrevious ( object sender , System.EventArgs e ) { if ( myBind.Position == 0 ) MessageBox.Show ( "已經(jīng)到了第一條記錄!" , "信息提示!" , MessageBoxButtons.OK , MessageBoxIcon.Information ) ; else myBind.Position -= 1 ; } file://按鈕"首記錄"對(duì)象事件程序 protected void GoFirst ( object sender , System.EventArgs e ) { myBind.Position = 0 ; } }
對(duì)于以SqlServer2000數(shù)據(jù)庫(kù)為模型的程序代碼,只要把Data01.cs中的數(shù)據(jù)鏈接,即:
stringmyConn1="Provider=Microsoft.Jet.OLEDB.4.0;DataSource=db.mdb";
改換成:
stringstrCon="Provider=SQLOLEDB.1;PersistSecurityInfo=False;UserID=sa;InitialCatalog=data1;DataSource=server1";
注釋?zhuān)捍藬?shù)據(jù)鏈接代表的意思是:打開(kāi)Sqlserver數(shù)據(jù)庫(kù),服務(wù)器名稱為server1,數(shù)據(jù)庫(kù)為data1就可以得到VisualC#針對(duì)SqlServer2000數(shù)據(jù)庫(kù)為模板編程的完成源程序代碼了。所以本文就不再提供了。
七.精通C#數(shù)據(jù)庫(kù)編程總結(jié):
數(shù)據(jù)庫(kù)編程始終是程序編程內(nèi)容中的一個(gè)重點(diǎn)和難點(diǎn)。而以上介紹的這些操作又是數(shù)據(jù)庫(kù)編程中最為基本,也是最為重要的內(nèi)容。那些復(fù)雜的編程無(wú)非是以上這些處理的若干個(gè)疊加。
到此,關(guān)于“C#數(shù)據(jù)庫(kù)編程的相關(guān)知識(shí)點(diǎn)有哪些”的學(xué)習(xí)就結(jié)束了,希望能夠解決大家的疑惑。理論與實(shí)踐的搭配能更好的幫助大家學(xué)習(xí),快去試試吧!若想繼續(xù)學(xué)習(xí)更多相關(guān)知識(shí),請(qǐng)繼續(xù)關(guān)注億速云網(wǎng)站,小編會(huì)繼續(xù)努力為大家?guī)?lái)更多實(shí)用的文章!
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