超简单问题:如何手动为数据库添加记录?(50分)

DBexpress开发,手动添加记录<br>ds_Data.DataSet.Insert;<br>&nbsp; with ds_Data.DataSet do<br>&nbsp; begin<br>&nbsp; &nbsp; FieldValues['ID'] :=Trim(TRzedt_InID.Text);<br>&nbsp; &nbsp; FieldValues['DYDate'] :=TRzdtedt_DYDate.Text;<br>&nbsp; &nbsp; FieldValues['Standard'] :=TRzlist_DYStandard.SelectedItem;<br>&nbsp; &nbsp; FieldValues['Breed'] :=TRzlist_DYBreed.SelectedItem;<br>&nbsp; &nbsp; FieldValues['Customer'] :=TRzcombo_DYCustomer.Text;<br>&nbsp; &nbsp; FieldValues['Employee'] :=TRzedt_DYEmployee.Text;<br>&nbsp; &nbsp; FieldValues['Factory'] :=TRzcombo_DYFactory.Text;<br>&nbsp; &nbsp; FieldValues['Detail'] :=Trim(TRzmmo_DYDetail.Text);<br>&nbsp; end;<br>&nbsp; ds_Data.DataSet.Post;<br><br>提示:字段值没有赋值,不知何故?