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Delphi Excel to Sql Server

 unit Unit1;
interface
uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls, ExtCtrls, Grids, DBGrids, DB, ADODB,comobj, OleServer,
  ExcelXP;
type
  TForm1 = class(TForm)
    ADOConn: TADOConnection;
    atblXlsToSql: TADOTable;
    DBGrid1: TDBGrid;
    Panel1: TPanel;
    Button1: TButton;
    opdExcel: TOpenDialog;
    DataSource1: TDataSource;
    Excel: TExcelApplication;
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
    function ConnectDB:boolean;              //Á¬½ÓÊý¾Ý¿â
    function  OpenTable(const Tablename:String):boolean;   //´ò¿ªÖ¸¶¨Êý¾Ý±í
    function  XlsToSqlTable(const xlsFileName,TableName:String):boolean;  //½«ExcelÊý¾Ýµ¼ÈëSql Server
  public
    { Public declarations }
  end;
var
  Form1: TForm1;
  serverIP,dbName,userid,passw:string;  //·þÎñÆ÷IP£¬Êý¾Ý¿âÃû³Æ£¬Óû§Ãû£¬ÃÜÂë
implementation
{$R *.dfm}
function TForm1.ConnectDB:boolean;
begin
  Result:=false;
  serverIP:='192.168.0.0';
  dbName:='OnLine';
  userid:='sa';
  passw:='sa';
  if not adoconn.Connected then
  begin
    adoconn.ConnectionString:='Provider=SQLOLEDB.1;Password=' + passw
                            + ';Persist Security Info=True;User ID=' + userid
                            + ';Initial Ca


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