protected void ShowButton_Click(object sender, EventArgs e)
{
if (FromDateTextBox.Text == String.Empty || ToDateTextBox.Text == String.Empty)
{
MessageLabel.Text = "Please select both from and to date!";
ClearGridView();
}
else
{
Report aReport = new Report();
aReport.FromDate = Convert.ToDateTime(FromDateTextBox.Text);
aReport.ToDate = Convert.ToDateTime(ToDateTextBox.Text);
List <Patient> patients = aPatientManager.GetUnpaidPatientsWithinInterval(aReport);
if (patients.Count == 0)
{
MessageLabel.Text = "No unpaid bill in this interval!";
ClearGridView();
}
else
{
double totalAmount = 0;
foreach (Patient aPatient in patients)
{
totalAmount += aPatient.Fee;
}
ShowUnpaidBillReportGridView.DataSource = patients;
ShowUnpaidBillReportGridView.DataBind();
ShowUnpaidBillReportGridView.RowStyle.Height = 35;
TotalAmountLabel.Visible = true;
TotalAmountTextBox.Visible = true;
TotalAmountTextBox.Text = totalAmount.ToString();
pdfButton.Visible = true;
}
}
}
private void GeneratePdf()
{
string printDate = DateTime.Now.ToString("F");
Response.ContentType = "application/pdf";
Response.AddHeader("content-disposition", "attachment;filename=Unpaid Bill Report.pdf");
Response.Cache.SetCacheability(HttpCacheability.NoCache);
StringWriter sw = new StringWriter();
HtmlTextWriter hw = new HtmlTextWriter(sw);
ShowUnpaidBillReportGridView.RenderControl(hw);
ShowUnpaidBillReportGridView.HeaderRow.Style.Add("width", "15%");
ShowUnpaidBillReportGridView.HeaderRow.Style.Add("font-size", "10px");
ShowUnpaidBillReportGridView.Style.Add("text-decoration", "none");
ShowUnpaidBillReportGridView.Style.Add("font-family", "Arial, Helvetica, sans-serif;");
ShowUnpaidBillReportGridView.Style.Add("font-size", "8px");
Paragraph paragraph1 = new Paragraph("XXX Diagnostic Center\n\n");
paragraph1.Font.Size = 30;
Paragraph paragraph2 = new Paragraph("Print Date: " + printDate + "\n\n");
Paragraph paragraph3 = new Paragraph("Total " + TotalAmountTextBox.Text + "");
StringReader sr = new StringReader(sw.ToString());
Document pdfDoc = new Document(PageSize.A4, 10f, 10f, 10f, 10f);
HTMLWorker htmlparser = new HTMLWorker(pdfDoc);
PdfWriter.GetInstance(pdfDoc, Response.OutputStream);
pdfDoc.Open();
pdfDoc.Add(paragraph1);
pdfDoc.Add(paragraph2);
htmlparser.Parse(sr);
pdfDoc.Add(paragraph3);
pdfDoc.Close();
Response.Write(pdfDoc);
Response.End();
ShowUnpaidBillReportGridView.AllowPaging = true;
ShowUnpaidBillReportGridView.DataBind();
}
private void ClearGridView()
{
ShowUnpaidBillReportGridView.DataSource = null;
ShowUnpaidBillReportGridView.DataBind();
}
