When I was in the preview Excel- it created a not clear picture

GroupDocs.Viewer Product Family
1

When I was in the preview Excel, it created a not clear picture.
MY Code ：
Groupdocs.Web.UI.Viewer.ClientCode()
.TargetElementSelector("#divshow")
.FilePath(ret.Message).ShowThumbnails(false).Zoom(100)
.UseInnerThumbnails(false).OpenThumbnails(false)
.SupportPageRotation().ShowFolderBrowser(false)
.BackgroundColor("#F3F3F3").ShowFolderBrowser(false)
.ToolbarBorderBottomColor("#999999").ToolbarButtonBorderColor("#3B5998").ToolbarInputFieldBorderColor("#3B5998")

2
Hello,

Thank you for posting and using GroupDocs.Viewer.

Could you please specify which version of the GroupDocs.Viewer you use . And please share with us your file example and we will investigate it .

Please come back to us with these details and we will be glad to help you.

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Best regards,
Evgen Efimov

http://groupdocs.com
Your Document Collaboration APIs
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3

This is an example of a preview. GroupDocs.Viewer for .NET LicenseVersion：3.0