/// <summary>
 /// Insert New Employee
 /// </summary>
 /// <param name="Employe"></param>
 /// <returns></returns>
 public string Insert_Employee(Employee Employe)
 {
     if (Employe != null)
     {
         using (TestDataSourceEntities Obj = new TestDataSourceEntities())
         {
             Obj.Employees.Add(Employe);
             Obj.SaveChanges();
             return("Employee Added Successfully");
         }
     }
     else
     {
         return("Employee Not Inserted! Try Again");
     }
 }
 /// <summary>
 /// Update Employee Information
 /// </summary>
 /// <param name="Emp"></param>
 /// <returns></returns>
 public string Update_Employee(Employee Emp)
 {
     if (Emp != null)
     {
         using (TestDataSourceEntities Obj = new TestDataSourceEntities())
         {
             //var Emp_ = Obj.Entry(Emp);
             Employee EmpObj = Obj.Employees.Where(x => x.Emp_Id == Emp.Emp_Id).FirstOrDefault();
             EmpObj.Emp_Age  = Emp.Emp_Age;
             EmpObj.Emp_City = Emp.Emp_City;
             EmpObj.Emp_Name = Emp.Emp_Name;
             Obj.SaveChanges();
             return("Employee Updated Successfully");
         }
     }
     else
     {
         return("Employee Not Updated! Try Again");
     }
 }
 /// <summary>
 /// Delete Employee Information
 /// </summary>
 /// <param name="Emp"></param>
 /// <returns></returns>
 public string Delete_Employee(Employee Emp)
 {
     if (Emp != null)
     {
         using (TestDataSourceEntities Obj = new TestDataSourceEntities())
         {
             var Emp_ = Obj.Entry(Emp);
             if (Emp_.State == System.Data.Entity.EntityState.Detached)
             {
                 Obj.Employees.Attach(Emp);
                 Obj.Employees.Remove(Emp);
             }
             Obj.SaveChanges();
             return("Employee Deleted Successfully");
         }
     }
     else
     {
         return("Employee Not Deleted! Try Again");
     }
 }