如题,源代码如下:unit datamodule;interfaceuses
SysUtils, Classes, DB, ADODB,Dialogs;type
TDataModule2 = class(TDataModule)
ADOConnection1: TADOConnection;
ADOTablechaxun: TADOTable;
ADOTable2: TADOTable;
DataSourcechaxun: TDataSource;
DataSource2: TDataSource;
ADOQuery1: TADOQuery;
procedure DataModuleCreate(Sender: TObject); private
{ Private declarations }
public
{ Public declarations } end;var
DataModule2: TDataModule2;implementationuses
RWini;{$R *.dfm}procedure TDataModule2.DataModuleCreate(Sender: TObject);begin
adoconnection1.ConnectionString:='';
adoconnection1.ConnectionString:= RWini.getConnStr; try
showmessage(adoconnection1.ConnectionString); //这两个showmessage都只是为了测试用,实际应用时要删去
adoconnection1.Open;
showmessage(adoconnection1.ConnectionString);
except begin
showmessage('无法连接数据库。');
end;
end;
end;end.
SysUtils, Classes, DB, ADODB,Dialogs;type
TDataModule2 = class(TDataModule)
ADOConnection1: TADOConnection;
ADOTablechaxun: TADOTable;
ADOTable2: TADOTable;
DataSourcechaxun: TDataSource;
DataSource2: TDataSource;
ADOQuery1: TADOQuery;
procedure DataModuleCreate(Sender: TObject); private
{ Private declarations }
public
{ Public declarations } end;var
DataModule2: TDataModule2;implementationuses
RWini;{$R *.dfm}procedure TDataModule2.DataModuleCreate(Sender: TObject);begin
adoconnection1.ConnectionString:='';
adoconnection1.ConnectionString:= RWini.getConnStr; try
showmessage(adoconnection1.ConnectionString); //这两个showmessage都只是为了测试用,实际应用时要删去
adoconnection1.Open;
showmessage(adoconnection1.ConnectionString);
except begin
showmessage('无法连接数据库。');
end;
end;
end;end.
解决方案 »
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不知道你是不是要重载构造方法,如果是的话,应该是:
constructor DataModuleCreate(Sender: TObject);