private void showWmid() { Rblmission.Items.Clear(); string cidselect = Rblcourse.SelectedValue; if (!string.IsNullOrEmpty(cidselect)) { string yearselect = Rblyear.SelectedValue; string gradeselect = Rblgrade.SelectedValue; string termselect = Rblterm.SelectedValue; string classselect = Rblclass.SelectedValue; LearnSite.BLL.Works wbll = new LearnSite.BLL.Works(); Rblmission.DataSource = wbll.ShowWclassWmids(Int32.Parse(yearselect), Int32.Parse(gradeselect), Int32.Parse(classselect), Int32.Parse(termselect), Int32.Parse(cidselect)); Rblmission.DataTextField = "Wmid"; Rblmission.DataValueField = "Wmid"; Rblmission.DataBind(); int ncount = Rblmission.Items.Count; if (ncount > 0) { Rblmission.SelectedIndex = 0; for (int i = 0; i < ncount; i++) { int ms = i + 1; Rblmission.Items[i].Text = ms.ToString(); } } } }