获得 ListBox(已绑定数据源) 当前选定行的 Text 或 Value:
DataRowView dr = listBoxSource.SelectedItem as DataRowView;
dr[listBoxSource.DisplayMember].ToString();//Text
dr[listBoxSource.ValueMember].ToString().Trim();//Value- 获得 ComboBox(已绑定数据源) 当前选定行的 Text 或 Value:
comboBoxSource.DisplayMember = DataSetSource.Tables[0].Columns["s_InvNo"].ToString();
comboBoxSource.ValueMember = DataSetSource.Tables[0].Columns["s_InvNo"].ToString();
comboBoxSource.DataSource = DataSetSource.Tables[0];