protected void Button3_Click(object sender, EventArgs e) { try { Whitfieldcore wUser = new Whitfieldcore(); for (int i = 0; i < ChkCongingency.Items.Count; i++) { if (ChkCongingency.Items[i].Selected) wUser.PopulateContingency(Convert.ToInt32(ViewState["EstNum"].ToString()), Convert.ToInt32(ChkCongingency.Items[i].Value)); } Response.Write("<script language='javascript'>parent.location.replace('Whitfield_estimation.aspx?EstNum=" + ViewState["EstNum"].ToString() + "');</script>"); } catch (Exception exp) { Response.Write(exp.Message.ToString()); } }