Employee Program

below program make in console application i hope your problem solve


public class Info
        {
            public int empcode { get; set; }
            public string empname { get; set; }
            public string dob { get; set; }
            public string dept { get; set; }
            public string bloodgroup { get; set; }


        }
    public class program
    {
     // empcode,empname,dob,dept,bloodgroup
        static void Main(string[] args)
        {
            Info _information= new Info() {empcode=101,empname="testing",dob="24 march",dept="IT",bloodgroup="A++"};
            Info _informatio1= new Info() {empcode=102,empname="testing1",dob="24 march",dept="IT1",bloodgroup="B++"};
            Info _informatio2= new Info() {empcode=103,empname="testing2",dob="24 march",dept="IT2",bloodgroup="A++"};

                 Info _informatio3= new Info() {empcode=104,empname="testing3",dob="24 march",dept="IT3",bloodgroup="B++"};

            List infolist = new List();


            infolist.Add(_information);
            infolist.Add(_informatio1);

            infolist.Add(_informatio2);
            infolist.Add(_informatio3);

            var tempvalue = from aa in infolist where aa.bloodgroup == "A++" select new {empcode=aa.empcode,Name=aa.empname,DOB=aa.dob,Deprtment=aa.dept,BlooodGroup=aa.bloodgroup };

            foreach (var item in tempvalue)
            {
                Console.WriteLine(item.Name);
               
            }
      

        }
 
    }

output is: testing and testing2

check online code
https://dotnetfiddle.net/T3GUkZ