private void ProcessPostBack() { var eventStartTime = DateTime.Parse(this.Request.Form["EventTime"], null, DateTimeStyles.RoundtripKind); var patientId = Guid.Parse(this.Request.Form["PatientId"]); var physicianId = Guid.Parse(this.Request.Form["PhysicianId"]); _appointmentsBll.CreateAppointment(eventStartTime, patientId, physicianId); this.CurrentUnitOfWork().DbContext.SaveChanges(); Response.Redirect(Page.ResolveUrl("~/RequestAppointment.aspx")); }