void ProcessAjaxRequest(HttpContext context)
{
try
{
switch (context.Request.QueryString["type"])
{
case "html":
context.Response.BufferOutput = true;
using (var htmlWriter = new HtmlTextWriter(context.Response.Output))
{
var htmlGen = new Codaxy.CodeReports.Exporters.Html.HtmlReportWriter(htmlWriter);
htmlGen.RegisterCss(DextopUtil.AbsolutePath("client/css/report.css"));
htmlGen.Write(Report, new DefaultHtmlReportTheme());
}
break;
case "xlsx":
context.Response.BufferOutput = true;
var xlsxGen = new XlsxReportWriter();
context.Response.ContentType = "application/force-download";
context.Response.AddHeader("Content-Disposition", "attachment; filename=\"" + Guid.NewGuid().ToString() + ".xlsx" + "\"");
XlsxReportWriter.WriteToStream(Report, Themes.Default, context.Response.OutputStream);
context.Response.Flush();
break;
case "pdf":
context.Response.BufferOutput = true;
context.Response.ContentType = "application/pdf";
//context.Response.AddHeader("Content-Disposition", "attachment; filename=\"" + Guid.NewGuid().ToString() + ".pdf" + "\"");
PdfConvert.ConvertHtmlToPdf(new PdfDocument
{
Url = context.Request.Url.ToString().Replace("=pdf", "=html")
}, new PdfOutput
{
OutputStream = context.Response.OutputStream
});
context.Response.Flush();
break;
default:
context.Response.ContentType = "text/plain";
context.Response.Write("Invalid options");
break;
}
}
catch (Exception ex)
{
context.Response.ContentType = "text/plain";
context.Response.Clear();
context.Response.Output.WriteLine("Error occured: " + ex);
}
}
void RenderReport(HttpContext context)
{
var type = context.Request.QueryString["type"];
Report report;
switch (type)
{
case "GdpByYear":
report = Reports.GdpByYearReport.Generate();
break;
case "GdpByCountry":
report = Reports.GdpByCountryReport.Generate();
break;
case "BiggestCountries":
report = Reports.GdpYearColumnReport.BiggestCountries();
break;
case "FastestGrowingCountries":
report = Reports.GdpYearColumnReport.FastestGrowingCountries();
break;
case "BestCountries":
report = Reports.GdpYearColumnReport.BestCountries();
break;
default:
throw new InvalidOperationException("Invalid report type.");
}
try
{
switch (context.Request.QueryString["format"])
{
case "pdf":
var url = context.Request.Url.ToString().Replace("format=pdf", "print=1");
PdfConvert.ConvertHtmlToPdf(new PdfDocument { Url = url }, new PdfOutput { OutputStream = context.Response.OutputStream });
context.Response.SetFileDownloadHeaders(String.Format("Report{0}.pdf", DateTime.Now.Ticks));
break;
case "text":
context.Response.SetFileDownloadHeaders(String.Format("Report{0}.txt", DateTime.Now.Ticks));
TextReportWriter.WriteTo(report, context.Response.Output);
break;
case "xlsx":
context.Response.SetFileDownloadHeaders(String.Format("Report{0}.xlsx", DateTime.Now.Ticks));
XlsxReportWriter.WriteToStream(report, Themes.Default, context.Response.OutputStream);
break;
default:
var output = new HtmlTextWriter(context.Response.Output);
var htmlWriter = new HtmlReportWriter(output);
htmlWriter.RegisterCss(DextopUtil.AbsolutePath("client/css/report.css"));
if (context.Request.QueryString["print"] == null)
htmlWriter.RegisterCss(DextopUtil.AbsolutePath("client/css/report-preview.css"));
htmlWriter.Write(report, new DefaultHtmlReportTheme());
break;
}
}
catch (Exception ex)
{
context.Response.Write(ex.ToString());
}
}