private void BindDataGrid() { ApplicantList applicants = new ApplicantList(); applicants = ApplicantManager.GetList(); LoanList loans = new LoanList(); foreach (Applicant applicant in applicants) { loans.AddRange(applicant.Loans); } if (applicants.Count > 0) { var LoanApp = from loan in loans join app in applicants on loan.ApplicantId equals app.Id select new { app.Name, app.Gender, app.SSN, loan.Amount, loan.Type }; grdLoanApp.DataSource = LoanApp.ToList(); StyleDataGrid(); } }