Hi,

I am getting the above error when I attempt to export a diagram to Visio. I am able to do the same for other diagrams, so I suspect it might be data related.
However, this same diagram renders fine on the screen, plus I can also export it to PDF without any problems.

I have attached a zip file containing an XML export as well as a PDF export.

The complete error message:

"An error occurred while parsing EntityName. Line 1, position 746."

The relevant code is:

diagram = DiagramView1.Diagram;
MindFusion.Diagramming.Export.VisioExporter visio = new MindFusion.Diagramming.Export.VisioExporter();
visio.TemplatePath = Server.MapPath(@"~\Bin\visioExport.vxt");
visio.ExportLanes = ExportLanes.Horizontal;
visio.LaneGridTitle = Session["P_CFFD_CurrentActivityName"].ToString();

String filename = CleanFileName(Session["P_CFFD_CurrentActivityName"].ToString()) + " - " + DateTime.Now.ToString("ddMMMyyyy-HHmm-ss") + ".vdx";
visio.Export(diagram, Server.MapPath(@"~\ExternalDocs\") + filename);

Any ideas? This is a rather high priority issue for my customer.

Thanks in advance.

Jim

Hi Stoyan,

Thanks for the prompt reply, but I've attached another PDF and XML export for a different diagram without any ampersands in the title that also fails when exporting to Visio.

Jim

Stoyan,

My mistake.  I was looking for ampersands in the title of the diagram (at the top); not in the lanes.
You are correct, removing them causes the export to work fine.
I'll attempt to replace them with & as you suggested.

Thanks once again.

Jim

Hi Jim,

Create a copy of the actual diagram and replace the header ampersands there, then pass the copy to VisioExporter. You could use the serialization method to clone a diagram:

Diagram Clone(Diagram d)
{
    Diagram c = new Diagram();
    c.LoadFromString(d.SaveToString());
    return c;
} 

I hope that helps,
Stoyan

I meant you should replace the header titles in the cloned diagram:

Diagram copy = Clone(oldDiag);
foreach (Header header in copy.LaneGrid.RowHeaders)
	header.Title = header.Title.Replace("&", "&");
foreach (Header header in copy.LaneGrid.ColumnHeaders)
	header.Title = header.Title.Replace("&", "&");
new VisioExporter().Export(copy, "..."); 

I hope that helps,
Stoyan