急!急!三层结构,Client端调用App Server端的过程时报错"接线者无效",详细见里面
App Server端过程是这样定义的:
procedure TCoExam.Login(out Error, UserID, Flag, UserTrueName,
UserLevel: OleVariant; var UserName, Password, MachineName,
MachineIP: OleVariant);
Client端调用:
Client_DataModule.WebConnection.AppServer.Login(Error,
UserID,
Flag,
UserTrueName,
UserLevel,
Edit1.Text,
Edit2.Text,
MachineName,
IP);
说明:其中参数定义说明如下
Error: String;
UserID: Integer;
Flag: String;
UserTrueName: String;
UserLevel: Integer;
MachineName: string;
谢谢各位!!