實(shí)驗(yàn)8 訪問數(shù)據(jù)庫應(yīng)用實(shí)例

實(shí)驗(yàn)八訪問數(shù)據(jù)庫應(yīng)用實(shí)例實(shí)驗(yàn)?zāi)康模耗軌蚴炀氝\(yùn)用某種高級語言進(jìn)行數(shù)據(jù)庫編程實(shí)驗(yàn)內(nèi)容：編寫一個(gè)訪問數(shù)據(jù)庫的程序，要求該程序具備查詢、插入、刪除、修改四個(gè)基本功能。實(shí)驗(yàn)過程：（將程序的實(shí)驗(yàn)過程簡單描述并將相關(guān)界面截圖，關(guān)鍵代碼附在文中）usernamepwdS3hua1Z3456nitrrrhusernamepwdS3hua1Z3456nitrrrhitrrrprivatevoidbuttonl_Click(objectsender^EventArgse)//點(diǎn)擊登錄按鈕時(shí){一stringstr=Source=;InitialCatalog=studentintegratedSecurity^True":SqlConnectionconn=newSqlConnection(str);SqlDataAdapterda=newSqlDataAdapter("select*frommimawhereusernajne=，"-HeKtBosl.Test+，T?and"+teictEicixW.Tentconn):DataTabledt=newData!able();da.Fill(dt);if(dt.Rows.Count>0)//如果查詢結(jié)果的行數(shù)大于Cl，用戶名和密碼正確{this.Hide():/7隱藏當(dāng)前窗體，顯示form3Form3f=newForm3():f.ShowDialog();this.Close():/7關(guān)閉窗體elseMessageBox.ShowC用戶名或密碼錯誤！“）；

privatevoidbuttcm1_C1ick(obiectsender,EventArsse)//刑試j至接{stringstr=?"DaiaSuurce=127.0.LL1;InitialCatalog=student:IntegratedSecurit3^=True"SqlCoimectioncorm=newSqlCoimection(str);CLim-Open():MessageEox.Show?連接成功！*);curLTL.Cluse0;}查詢：所有學(xué)生|-n1421107|學(xué)％J查詢按學(xué)號刪除|所有學(xué)生pj#所有學(xué)生pj#I姓名H]查詢技學(xué)號刪除snoF5sagesdept20142110123計(jì)算機(jī)科學(xué).??*

所有學(xué)生刑院成功！201421106[￥￥~~3礁」妄學(xué)號刪除I201421106snosnaresagesdeptsnomane瀏eadept卜Z014ZL101Z0信."卜二2D142L1Q2：7-22M蚱蘭或計(jì)算瞞與20142110324201421103矣二—19i0H21：01三3011EL105ini30可尊機(jī)201-211?校22信忌201421105V理一」prluatevoidbuttonlClick(objeclsender,EventArssM/7按學(xué)號進(jìn)行查詢a"triiig3ir=DetcScurcc=127.H.D.1;If.itiilCaialo^=st.idDLit:Iricfraicd二eity=Tme";5q'Cnnns7-i-nnnrr=nevSq'Cinn(?Trj:Lq-l1^iAiapt=rdz-newSq_P17a_iiapter("s&1&ctvtram.Stj.dentT'.i.&resn。-''+t=ztbcy1.Jtyi-''\.二nnnj;14LU1=1L-newEI^7-aL1c1,cq.F:：L：i-i：if上，R〉心，二nunt'；C)//叩.果該T號存TT；；博■■?■W時(shí)應(yīng)的信S在-市框中宣示-.cx-.3y^H.Test=ci.Ro^r3'0][rjLionic^].IcSiringf在球三柩中昱示?土?&-hy-StL.TrkT=n-Enus：fl「’袂頊1一T「E1tie"7CX7Zij：ll.icst-Ut.KQlFUJL'-"J.1Ci1ILIl￡；]else-.II契waEEEiciR.Show丸查無上tA!}]privatevoiibut^onEClick'obisctsender.EventAr?5e)'J蘭點(diǎn)古杳旬飲牝時(shí)，switch(coii.tioBDBl.Selectediten.loStrin^()；/7遷忖釗外casecase淬sno-?,Y+teatBoxl.reKt十『'門；"投學(xué)號進(jìn)行查間，按照苴Enaine=："十iextBoKL.Texi:十”'M〕；SHg己二''十teKtBoz1BText+">''),Bind(,vselect*frontStudentvherebreak;□a睥"姓MLBindt.，fselect*from.Sludentvherebred:;case“年齡LBind(^select*from.Siudentvheiebreal:;privatevoidbutton6_Click(ohjectsender,EventArese)//當(dāng)點(diǎn)擊刪除按鈕時(shí)sno-?,Y+teatBoxl.reKt十『'門；"投學(xué)號進(jìn)行查間，按照苴Enaine=："十iextBoKL.Texi:十”'M〕；SHg己二''十teKtBoz1BText+">''),SqlConmanjdertd=neivSqlConunaiidt."deletsfroilS+uden+nrhsresno-：，"+testBos1.Test4'?conn);conn.OpenO:</打開數(shù)據(jù)車連攔if(end.EsecuteElonQueryO>0)〃抓行操作并判斷受景/響的行數(shù)[MessageBox.Show(村刪豚成功！’);elae[MewagEtiQ赤血㈣廠腫.隨頭政！可能由于該學(xué)號不存彳二，’)；CO：T1-.C1J3CI)美閉連1安bmeCselect*tromStudent里新狒定婁1括添加:snosnamesnosname瀏Esdept卜2014211012D201421LOZ22：-算機(jī)樸蘭=-30H21103李匚21水利工程Z0HZ1L01]9潔R201421105王m2D一點(diǎn)Esrofname*Edspt20L4211D]與Ett23「EE30L4211D2計(jì)耳淵鉤20L4Z11D3yi24?|0一*3JL4H1Q+Lj1.的「串：Z0HZ11ETHI2Di-空2OL4E11W+丈22lag20L42UD7見:.；lj「凈：學(xué)號|u1421107姓名ptM年齡［20系另u|計(jì)算機(jī)“二添力口^JjIfl^TJj!確走71privatevoidbut1on1.Click(objectsender,EventArjs3,,添Ju按忸{s1ringsir=?rtDalaSoui:cc=127-0,0.1;InitialCaftalogFs^uderrt;IntegratedSecurity^Trae^;SqLCuimeclioncoim二new5qlCoimection(sl:r):SQlDataAdapterda=nevSQlDataAdarterCselect*fromStudentwheresno='"-HteKtBoKl,TeKt-n"'?conn)：jDala?ab1ed-t二nevDalalah1e();da.Fill(di：；:-f(dl.Rovs.Coiml>0)/V如果要插入的學(xué)號已存在[血昨喝蜀皿一〔”-學(xué)號已存在I不能重復(fù)插入!?J；:else[SgLCoimaiid.cud=newSqlCajuiond.("iri^ertiritcStudentvalues(r"+testBosLTest4d4Tcid4"?,?"4tcxtBc?3.Tort4"??+teKtBos:4.Test4''')'t|com);coim.Open()〃打開數(shù)據(jù)庫連按■f(cad.ExeculelFonQueryO>0)/7■行操作并判浙受■響的行致IHmggeEoK.Shov，"，加成功I:elseI低突獎cEcik.ShoM“，如失敗!")；修改:snosridmesage/pt*201421101馬琳23計(jì)算機(jī)科學(xué)與…Z01421102既三22計(jì)算機(jī)科學(xué)與…201421103李四24水利工程2014Z1104赴武19計(jì)算機(jī)2014Z1105王岡u20計(jì)算機(jī)201421106王蒙22信息201421107我帆20計(jì)算機(jī)

學(xué)號E廠:姓名舊虱年齡系別|信息技術(shù)查詢修改snosnamesdept?201421101馬州zn信息技術(shù)201421102彌三22i十苜機(jī)母芋與..20142110324*利工程ZOL4Z1L0419訐耳M.2Q1421105王剛2LIi十苴機(jī)201421106_L#22zni4Zlin7馬琮皿信總技術(shù)privatevoidbutton2_Click(objecisenderjE-zcntAcgse)//點(diǎn)擊修晟挫鈕{-^stringstr二?"DataSouL7ce=l27-J.L.1IriitialCatalcig=L!tunder+;IntegratsdSBci^rii^True^:SqlCormectionconn二newSqlCorirLectionS.sir.);SqlCoMtaridemd二nevSqLCoirjtaridt."updatsStudantsetsnsme=?4teztBoj：2aTeat+，f?sage"11conn);+teytBcixS^Text+",：=?dEp+=''+-teKtBax-d.Text+'?Tjuhere：7no=?rt+Tezi+''E泌一內(nèi)葉.0I打開致?lián)悦⒁鵬f(and.ExecuteHonQueryO>0)〃?行捶作柔到斷受影響的行數(shù){Me駝mE