Hello,
I have 9+ years of extensive experience in developing and customizing web applications built on ASP.NET and have implemented Excel Automation from .NET applications to generate excel files.
I have read the project description and I should be able to assist you with this specified task (improving the excel data generation speed) of yours in a swift manner. We can connect over Skype and discuss it further. Please do let me know in case you would like me to assist you.
I am looking forward to hear back from you.
Thanks and Regards,
Abhinit