摘要:
窗体加载时,combox中的值总是为读出数据的第一项,我想在窗体加载时,清空combox,大侠,救命啊!!!!我的绑定数据代码为:Core.FuelRecord fr = new Core.FuelRecord();this.combox1..DataSource = fr.GetRecord();//绑定数据源this.combox..DisplayMember = "字段名称";+++++++++++++++++++++++++++++++++++++++++++SqlDataAdapter da = new SqlDataAdapter(sql,'连接数据库& 阅读全文