public List <EmployeeBO> getEmployeeListByDepartmentId(string deptId) { List <Employee> list = da.getEmpListByDeptId(deptId); List <EmployeeBO> listbo = new List <EmployeeBO>(); foreach (Employee e in list) { EmployeeBO ebo = convertEmployeeBO(e); listbo.Add(ebo); } return(listbo); }