Hello,
Using Aspose cells version 17.9.0.0 and when we are compiling our application into 64 bits whenever we generate an excel report we get the following message: Evaluation Only. Created with Aspose.Cells for .NET.Copyright 2003 - 2017 Aspose Pty Ltd.
Thanks for using Aspose APIs.
Please download and try the following latest version and it should fix your issue. Let us know your feedback.
tried the .net 4.0 version and it is still creating a tab: Evaluation warning with the same message as above.
I guess your licensing code is not processed properly so the API will be used in evaluation mode. Kindly make sure that your licensing code should be processed first before using any other Aspose.Cells APIs in your code. Please see the document for your reference:
Generally, the license should be set on the beginning of the code, before any other functionality of Aspose.Cells is used. The license should be set only once, and it will remain licensed until the application is closed. In case of ASP.NET (IIS based) web application, good place to set license is Application_Start method. On this way you are sure that the license is set when application is started, and the license is set again if application is recycled for any reason.
One possible reason for the issue could be if you use the product after the web application is recycled and before the license is set again.
Also, you may evaluate (at any place) if the license is set or not, see the document for your reference:
Let us know if you still have the issue.