//得到专业信息 public String getProInfo(int Pro) { System.Data.DataSet newinfo = new System.Data.DataSet(); Maticsoft.DAL.学院表 SQLOption = new Maticsoft.DAL.学院表(); Maticsoft.BLL.专业表 zhuanyeSQL = new Maticsoft.BLL.专业表(); System.Data.DataSet zhuanyeinfo = new System.Data.DataSet(); newinfo = SQLOption.GetList("学院编号='" + Pro + "'"); String xueyuan = newinfo.Tables["ds"].Rows[0]["学院"].ToString(); zhuanyeinfo = zhuanyeSQL.GetList("学院='" + xueyuan + "'"); // zhuanyeinfo=zhuanyeSQL.GetList("学院='"+ +"'") String ReturnJson = JsonConvert.SerializeObject(zhuanyeinfo); return(ReturnJson); }