protected void btnDonateSubmit_Click(object sender, EventArgs e) { int pk = (int)Session["person"]; People p = new People(); p.personKey = pk; p.Donation = txtMakeDonation.Text; ManagePeople mp = new ManagePeople(); try { mp.MakeDonation(p); Response.Redirect("Donations.aspx"); } catch (Exception ex) { lblError.Text = ex.Message; } }