protected void 二级_SelectedIndexChanged(object sender, EventArgs e) { int ID = Convert.ToInt32(二级.SelectedValue); if (ID > 0) { 级.Enabled = true; School清查盘点BLL pdbll = new School清查盘点BLL(); List <School三级类别表> listuser = pdbll.查询三级类别(ID); 级.DataTextField = "名称"; 级.DataValueField = "ID"; 级.DataSource = listuser; 级.DataBind(); } else { 级.Enabled = false; School清查盘点BLL pdbll = new School清查盘点BLL(); List <School三级类别表> listuser = pdbll.查询三级类别(ID); 级.DataTextField = "名称"; 级.DataValueField = "ID"; 级.DataSource = listuser; 级.DataBind(); } }
protected void 二级_SelectedIndexChanged(object sender, EventArgs e) { int ID = Convert.ToInt32(二级.SelectedValue); if (ID > 0) { List <School三级类别表> listuser = bll.查询三级类别(ID); 级.DataTextField = "名称"; 级.DataValueField = "ID"; 级.DataSource = listuser; 级.DataBind(); } }