public MetaFile GetMetaFile()
{
// Execute the report and save the memory stream and
// the mimetype on cache
string cacheid = GetCacheId();
// Check if there is a metafile
MetaFile meta = (MetaFile)Page.Cache[cacheid + "MetaFile"];
PrintOutNet prdriver = (PrintOutNet)Page.Cache[cacheid + "PrintOut"];
if (prdriver == null)
{
meta = null;
}
if (meta == null)
{
Report rp = (Report)Page.Cache[cacheid + "Report"];
if (rp == null)
{
string filename = ReportFileName;
if (filename != "")
{
rp = new Report();
// Async execution
rp.AsyncExecution = AsyncExecution;
rp.AsyncPriority = AsyncPriority;
ReportReader reader = new ReportReader(rp);
reader.LoadFromFile(Page.Server.MapPath(filename));
meta = rp.MetaFile;
meta.ForwardOnly = false;
prdriver = new PrintOutNet();
prdriver.OptimizeWMF = WMFOptimization.Gdiplus;
Page.Cache.Insert(cacheid + "Report", rp, null,
DateTime.Now.AddMinutes(30), TimeSpan.Zero);
Page.Cache.Insert(cacheid + "MetaFile", meta, null,
DateTime.Now.AddMinutes(30), TimeSpan.Zero);
Page.Cache.Insert(cacheid + "PrintOut", prdriver, null,
DateTime.Now.AddMinutes(30), TimeSpan.Zero);
// Assign parameters to the report here
rp.BeginPrint(prdriver);
}
}
}
return(meta);
}