delphi源代码（delphi源代码）

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1、delphi源代码（Delphi源代码）ConductingproblemcodeUsingSystem;UsingSystem.Data;UsingSystem.Configuration;UsingSystem.Web;UsingSystem.Web

2、.Security;UsingSystem.Web.UI;UsingSystem.Web.UI.WebControls;UsingSystem.Web.UI.WebControls.WebParts;UsingSystem.Web.UI.HtmlControls;UsingSystem.Data.SqlClient;Publicpartialclass_Default:System.Web.UI.Page{ProtectedvoidPage_Load(objectsender,EventArgsE)

3、{}ProtectedvoidButton1_Click(objectsender,EventArgsE)------------------------------------Commonlyusedthansimplestatements;Messagebox.show("HELLO,WORLD");Label2.hide();controlhide;;Textbox1.clear();TheInwebcode,ifyouwanttolinktothedatabase,youonlyneedto

4、refertoweb.configinkey.Forexample:Thedefinitionofdatabaseconnectioninweb.configisasfollows:Then,whenyouwanttoconn

5、ecttothedatabaseinthepagecode:SqlConnectionconn=newSqlConnection(ConfigurationSettings.AppSettings["ConnectionString"]);------------------------------------------------------------------------Databaseconnection:Privatevoidbutton1_Click(objectsender,Eve

6、ntArgsE){Label1.Text=textBox1.Text;SqlConnectionnwindconn=newSqlConnection("DataSource=WORKKAOQIN;InitialCatalog=worksystem;PersistSecurityInfo=True;UserID=sa;pwd=sa");//sqlconnectionobjectlinkingdatasource;SqlCommandcatCMD=nwindconn.CreateCommand();Ca

7、tCMD.CommandText="selectemp_id,card_idfromemployee"";Nwindconn.Open();SqlDataReadermyReader=catCMD.ExecuteReader();While(myReader.Read()){Console.WriteLine("t{0}t{1}",myReader.GetString(0),myReader.GetString(1));}MyReader.Close();Nwindconn.Close();}[

8、reprinted]SqlConnectiondatabaseconnectionseveralways(2010-06-2310:50:04)Reprinttheoriginallabel:reprintclassification:SQLdatabaseTextaddress:SqlConnectiondatabaseconnectionseveralways:Author:len2009Theconnectionstringhasseveralforms,som