Firefox Compatibility issue
Problem reported by Shanjoy Shajan - 9/18/2020 at 12:04 AM
Resolved
Hi ,
I am doing a .net mvc project . I am facing a issue only  in firefox  and all other browser its compalible,no issue found. My code in cshtml :           @{var documentViewer = new DocumentViewer
                                                                                                        {
                                                                                                            Width = 800,
                                                                                                            Height = 600,
                                                                                                            Document = new Uri(System.Configuration.ConfigurationManager.AppSettings["urlAddress"] + evidence.FileName).LocalPath,
                                                                                                            DeniedPermissions = DocumentViewerPermissions.All
                                                                                                        };
                                                                                                    }
                                                                                                    @this.RenderHead(documentViewer)
                                                                                                    @this.RenderBody(documentViewer)
                                                                                                    @*@{
                                        documentViewer.Document = new Uri(System.Configuration.ConfigurationManager.AppSettings["urlAddress"] + evidence.FileName).LocalPath;
                                        this.RenderBody(documentViewer);
                                    }*@
                                                                                                </div>

Please help me to find the issue and i am attaching the current scene in firefox with this thread    
Cem Alacayir Replied
Employee Post
Press F12 to open console in browser and look for the error messages.
If you see a "cross domain iframe" related error, see this:
Shanjoy Shajan Replied
I couldn't see any error in console realted to docviewer , its just show grey box instead of content in pdf. This issue only occuring in firefox browser only .Please help me out!
Cliff Akers Replied
Any answer on this one? I am experiencing the same issue. 
Shanjoy Shajan Replied
@Cliff Akers   , Do you able to solve the issue , if done please help too
Cliff Akers Replied
No, I have not solved this issue. We need help from GleamTech support.
Cem Alacayir Replied
Employee Post
There should be errors in the console.
Refresh your page that hosts DocumentViewer after you press F12 to open console in browser  
Cem Alacayir Replied
Employee Post Marked As Resolution
If you are using an iframe and cross-domain url, see the announcement here:

If not:
Well v5.1.6 is from November 27, 2019, update to a more recent version like 5.8.0.
There is no known issue with Firefox unless your Firefox is very old.
You can verify that your browser is working on live demo:

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