public InfReportOutput Render(InfReportFormat format)
{
if (string.IsNullOrWhiteSpace(FileName))
{
throw new InvalidOperationException("The report file name property has not been set.");
}
if (FileName.StartsWith("/", StringComparison.Ordinal) && HttpContext.Current != null)
{
FileName = HttpContext.Current.Server.MapPath(FileName);
}
if (!File.Exists(FileName))
{
throw new FileNotFoundException("The specified report file name does not exist. Be sure to provide the full path, and set the \"Build Action\" of the report file to \"Content\".", FileName);
}
try
{
using (var report = new LocalReport())
{
report.ReportPath = FileName;
foreach (var dataSourceName in report.GetDataSourceNames())
{
if (!DataTables.Any(dt => dt.Key.Equals(dataSourceName, StringComparison.OrdinalIgnoreCase)))
{
var message = string.Format(CultureInfo.InvariantCulture, "No data table has been added for the report data source name \"{0}\".", dataSourceName);
throw new InvalidOperationException(message);
}
}
foreach (var parameter in report.GetParameters())
{
if (!Parameters.Any(p => p.Key.Equals(parameter.Name, StringComparison.OrdinalIgnoreCase)))
{
var message = string.Format(CultureInfo.InvariantCulture, "No parameter has been added for the report parameter \"{0}\".", parameter.Name);
throw new InvalidOperationException(message);
}
}
report.EnableExternalImages = true;
report.EnableHyperlinks = true;
report.DataSources.Clear();
foreach (var item in DataTables)
{
report.DataSources.Add(new ReportDataSource(item.Key, item.Value));
}
foreach (var item in Parameters)
{
report.SetParameters(new ReportParameter(item.Key, item.Value));
}
if (!report.IsReadyForRendering)
{
throw new InvalidOperationException("The report is not ready for rendering. Check that all required data tables and parameters have been added.");
}
var reportBytes = new byte[0];
var mimeType = string.Empty;
var fileExtension = string.Empty;
var encoding = string.Empty;
var streams = new string[0];
var warnings = new Warning[0];
report.Refresh();
reportBytes = report.Render(
format.ToString(),
string.Empty, // device info
out mimeType,
out encoding,
out fileExtension,
out streams,
out warnings);
if (warnings != null && warnings.Length > 0 && warnings.Any(w => w.Severity == Severity.Error))
{
var message = new StringBuilder();
message.Append("The following error(s) occurred during report rendering: ");
foreach (var warning in warnings.Where(w => w.Severity == Severity.Error))
{
message.AppendFormat(
CultureInfo.InvariantCulture,
"code = \"{0}\"; object name = \"{1}\"; object type = \"{2}\"; message = \"{3}\".",
warning.Code,
warning.ObjectName,
warning.ObjectType,
warning.Message);
}
}
return(new InfReportOutput
{
FileExtension = fileExtension,
MimeType = mimeType,
Encoding = encoding,
ReportBytes = reportBytes
});
}
}
catch (Exception ex)
{
InfLogger.Log(ex);
throw;
}
}
