/// <summary>
 /// 添加学生班级信息
 /// </summary>
 /// <param name="cla">学生班级信息</param>
 public void AddClass(StudentClass cla)
 {
     DataSet ds = null;
     try
     {
         string strSql = "INSERT INTO [USTA].[dbo].[usta_StudentClass]([className]  ,[special],[remark]) VALUES (@className ,@special  ,@remark)";
         SqlParameter[] parameters = new SqlParameter[3]{
             new SqlParameter("@className",cla.className),
             new SqlParameter("@special",cla.special),
              new SqlParameter("@remark",cla.remark)
         };
         ds = SqlHelper.ExecuteDataset(conn, CommandType.Text, strSql, parameters);
     }
     catch (Exception ex)
     {
         MongoDBLog.LogRecord(ex);
         CommonUtility.RedirectUrl();
     }
     finally
     {
         conn.Close();
     }
 }
 /// <summary>
 /// 更新学生班级信息
 /// </summary>
 /// <param name="cla">学生班级信息</param>
 public void UpdateClass(StudentClass cla)
 {
     DataSet ds = null;
     try
     {
         string strSql = "UPDATE [USTA].[dbo].[usta_StudentClass]   SET [className] = @className ,[special] = @special ,[remark] = @remark  WHERE classId=@classId";
         SqlParameter[] parameters = new SqlParameter[4]{
             new  SqlParameter("@classId",cla.classId),
             new SqlParameter("@className",cla.className),
             new SqlParameter("@special",cla.special),
              new SqlParameter("@remark",cla.remark)
         };
         ds = SqlHelper.ExecuteDataset(conn, CommandType.Text, strSql, parameters);
     }
     catch (Exception ex)
     {
         MongoDBLog.LogRecord(ex);
         CommonUtility.RedirectUrl();
     }
     finally
     {
         conn.Close();
     }
 }