// POST api/<controller>
        public string Post([FromBody] createStudent value)
        {
            _conn = new SqlConnection("Data Source=.;Initial Catalog=Store;Integrated Security=True");

            var        query         = "insert into student (f_name, m_name, l_name, address, birthdate, score) values(@f_name, @m_name, @l_name, @address, @birthDate, @score)";
            SqlCommand insertCommand = new SqlCommand(query, _conn);

            insertCommand.Parameters.AddWithValue("@f_name", value.f_name);
            insertCommand.Parameters.AddWithValue("@m_name", value.m_name);
            insertCommand.Parameters.AddWithValue("@l_name", value.l_name);
            insertCommand.Parameters.AddWithValue("@address", value.address);
            insertCommand.Parameters.AddWithValue("@birthdate", value.birthDate);
            insertCommand.Parameters.AddWithValue("@score", value.score);

            _conn.Open();
            int result = insertCommand.ExecuteNonQuery();

            if (result > 0)
            {
                return("true");
            }
            else
            {
                return("false");
            }
        }
        // PUT api/<controller>/5
        public string Put(int id, [FromBody] createStudent value)
        {
            conn = new SqlConnection("data source=DESKTOP-3CTJ57L\\SQLEXPRESS; Initial catalog=SampleDB; user id=sa; password=orangejuice;");
            var        query         = "Update Student set Id=@Id,FullName=@FullName,Course=@Course,ContactNumber=@ContactNumber where Id=" + id;
            SqlCommand insertCommand = new SqlCommand(query, conn);

            insertCommand.Parameters.AddWithValue("@Id", value.Id);
            insertCommand.Parameters.AddWithValue("@FullName", value.FullName);
            insertCommand.Parameters.AddWithValue("@Course", value.Course);
            insertCommand.Parameters.AddWithValue("@ContactNumber", value.ContactNumber);
            conn.Open();
            int result = insertCommand.ExecuteNonQuery();

            if (result > 0)
            {
                return("True");
            }

            else
            {
                return("False");
            }
        }
        // POST api/<controller>
        public string Post([FromBody] createStudent value)
        {
            conn = new SqlConnection("data source=DESKTOP-3CTJ57L\\SQLEXPRESS; Initial catalog=SampleDB; user id=sa; password=orangejuice;");
            var        query         = "insert into Student(Id,FullName,Course,ContactNumber) values(@Id,@FullName,@Course,@ContactNumber)";
            SqlCommand insertCommand = new SqlCommand(query, conn);

            insertCommand.Parameters.AddWithValue("@Id", value.Id);
            insertCommand.Parameters.AddWithValue("@FullName", value.FullName);
            insertCommand.Parameters.AddWithValue("@Course", value.Course);
            insertCommand.Parameters.AddWithValue("@ContactNumber", value.ContactNumber);
            conn.Open();
            int result = insertCommand.ExecuteNonQuery();

            if (result > 0)
            {
                return("Inserted ");
            }

            else
            {
                return("Not Inserted");
            }
        }