public StudentModel UpdateStudent(StudentModel studentModel)
        {
            DataTable dt = new DataTable();

            using (SqlCommand command = new SqlCommand())
            {
                dt = GetMultipleQuery(StudentStringsSql.UpdateStudent(studentModel));
            }
            foreach (DataRow ms in dt.Rows)
            {
                studentModel = StudentModel.ToObject(ms);
            }

            return(studentModel);
        }