public static bool AddNew(HDS_Exam Exa)
 {
     try
     {
         ExamSystemManagerDBEntities exMana = new ExamSystemManagerDBEntities();
         exMana.AddToHDS_Exam(Exa);
         exMana.SaveChanges();
     }
     catch (Exception e)
     {
         errMsg = e.Message;
         return false;
     }
     errMsg = "";
     return true;
 }
 public static bool Update(HDS_Exam Exa)
 {
     try
     {
         ExamSystemManagerDBEntities exMana = new ExamSystemManagerDBEntities();
         HDS_Exam obj = exMana.HDS_Exam.First(temp => temp.Exa_ID == Exa.Exa_ID);
         obj.Emp_ID = Exa.Emp_ID;
         obj.Exa_FromDate = Exa.Exa_FromDate;
         obj.Exa_ToDate = Exa.Exa_ToDate;
         obj.Res_rating = Exa.Res_rating;
         obj.Res_Result = Exa.Res_Result;
         exMana.SaveChanges();
     }
     catch (Exception e)
     {
         errMsg = e.Message;
         return false;
     }
     errMsg = "";
     return true;
 }
 /// <summary>
 /// Create a new HDS_Exam object.
 /// </summary>
 /// <param name="exa_ID">Initial value of the Exa_ID property.</param>
 public static HDS_Exam CreateHDS_Exam(global::System.Int32 exa_ID)
 {
     HDS_Exam hDS_Exam = new HDS_Exam();
     hDS_Exam.Exa_ID = exa_ID;
     return hDS_Exam;
 }
 /// <summary>
 /// Deprecated Method for adding a new object to the HDS_Exam EntitySet. Consider using the .Add method of the associated ObjectSet&lt;T&gt; property instead.
 /// </summary>
 public void AddToHDS_Exam(HDS_Exam hDS_Exam)
 {
     base.AddObject("HDS_Exam", hDS_Exam);
 }