水晶报表，已经传入一个DataSet，如何再传递其余的参数

CrystalDecisions.CrystalReports.Engine.TextObject GetTextObject ;
GetTextObject = (CrystalDecisions.CrystalReports.Engine.TextObject)rpt.ReportDefinition.ReportObjects["txtWriter"];

GetTextObject.Text = "fsfewfcdsvsgfwcdscsd";