I’ll admit I don’t know how to do it the way you are asking, but this is how I do it:
` private void SetPackageProperties(SpreadsheetDocument wkbk)
{
wkbk.PackageProperties.Creator = “Jim Snyder”;
wkbk.PackageProperties.Created = DateTime.Now;
wkbk.PackageProperties.Modified = DateTime.Now;
wkbk.PackageProperties.LastModifiedBy = “Jim Snyder”;
wkbk.PackageProperties.Category = “Regional Report”;
wkbk.PackageProperties.Description = “Inventory Recon rpt.”;
wkbk.PackageProperties.Subject = “Regional recon”;
wkbk.PackageProperties.Title = “O’Bleness/AdviCare Inventory Recon – Daily”;
}
.
