How do I name my Excel application?

Hi there,

I'm using C# for ASP.NET.  I created an Excel spreadsheet in memory that lists data from a DataTable that I pass in to a method.  It works great.  Is there a way to name the Excel.Application (or is it the workbook?) so that the Excel spreadsheet has the name that I choose in the task bar, and when the end-user goes to save the file the default file name that is listed is the name that I called it?  Thanks in advance.
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