SQL Server

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Delphi

Uconn.~pas：源码内容

							unit Uconn;
interface
uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls, DB, ADODB, Grids, DBGrids, DBCtrls, dbcgrids;
type
  TftmConn = class(TForm)
    Memo1: TMemo;
    connDate: TADOConnection;
    ADOQuery: TADOQuery;
    DataSource1: TDataSource;
    BtnConn: TButton;
    btnSQLOpen: TButton;
    btnClose: TButton;
    GroupBox1: TGroupBox;
    GroupBox2: TGroupBox;
    GroupBox3: TGroupBox;
    GroupBox4: TGroupBox;
    Label1: TLabel;
    Label2: TLabel;
    Label3: TLabel;
    Label4: TLabel;
    txtDS: TEdit;
    txtDB: TEdit;
    txtName: TEdit;
    txtPWD: TEdit;
    DBGrid1: TDBGrid;
    procedure BtnConnClick(Sender: TObject);
    procedure btnSQLOpenClick(Sender: TObject);
    procedure btnCloseClick(Sender: TObject);
  private
    { Private declarations }
  public
     aConStr :string;{ Public declarations }
  end;
var
  ftmConn: TftmConn;
implementation
{$R *.dfm}
procedure TftmConn.BtnConnClick(Sender: TObject);
begin
    //aConStr :='Provider=SQLOLEDB.1;Password=12345;Persist Security Info=False;User ID=sa;Initial Catalog=心理咨询;Data Source=DECAY';//“心理咨询”为数据库名
    aConStr :='Provider=SQLOLEDB.1;Password='+txtPWD.Text+';Persist Security Info=False;User ID='+txtName.Text+';Initial Catalog='+txtDB.Text+';Data Source='+txtDS.Text;//“心理咨询”为数据库名
    //aConStr := PromptDataSource(Application.Handle ,'');
    connDate.connectionString:=aConStr;
    try
       connDate.Connected:=true;
       // memo1.Lines.Text:= aConStr;
       showmessage(aConStr);
    except
    showmessage('数据源连接出错,请重新建立数据库连接.');
    end;
end;
procedure TftmConn.btnSQLOpenClick(Sender: TObject);
begin
 //try
 // connDate.Connected:=true;
try
adoquery.Close;
adoquery.SQL:=memo1.Lines;
//showmessage(memo1.Lines.Text);
adoquery.Prepared;
adoquery.ExecSQL;
adoquery.Active:=true;
//showmessage('ok');
except
showmessage('SQL语法出错,请检查语法.');
end;
//except
//showmessage('数据源连接出错,请先建立数据库连接.');
//end;
end;
procedure TftmConn.btnCloseClick(Sender: TObject);
begin
 application.Terminate;
end;
end.

						