protected void ddlDay_SelectedIndexChanged(object sender, EventArgs e) { JiaJiao.BLL.Class c = new BLL.Class(); clist = c.GetModelList(""); this.ddlTime.DataSource = clist.Where(d => d.Day==ddlDay.SelectedValue) ; this.ddlTime.DataBind(); }
protected void Page_Load(object sender, EventArgs e) { if (!IsPostBack) { txtCount.Text = "0"; JiaJiao.BLL.Teacher t = new BLL.Teacher(); var ds = t.GetAllList(); this.ddlTeacher.DataSource = ds.Tables[0]; this.ddlTeacher.DataBind(); JiaJiao.BLL.Class c = new BLL.Class(); clist= c.GetModelList(""); this.ddlDay.DataSource = clist.GroupBy(d => d.Day).Select(g => g.Key) ; this.ddlDay.DataBind(); this.ddlTime.DataSource = clist.Where(d => d.Day == "周一"); this.ddlTime.DataBind(); } }