一个简单的水晶报表问题？

this.crConnectionInfo.ServerName="DSINT-BIAN";
this.crConnectionInfo.DatabaseName="book";
this.crConnectionInfo.UserID="sa";
this.crConnectionInfo.Password="";
'設定登录參數crTable = crTables [i];
crTableLogOnInfo = crTable.LogOnInfo;
crTableLogOnInfo.ConnectionInfo = crConnectionInfo;
crTable.ApplyLogOnInfo(crTableLogOnInfo);'對不同的資料表設置不同的登录參數，提交參數