combobox

 

      protected void bind_type()
        ...{
            StuFeeSet sfs = new StuFeeSet();
            DataSet ds = sfs.getAllFeeTye();
            this.cbType.DataSource = ds.Tables[0];
            this.cbType.DisplayMember ="类型";
            this.cbType.ValueMember = "id";
        }

this.cbType.SelectedIndex = this.cbType.FindString(“正常”);