Is this a (ASP.NET) or WinForms (Desktop) application? Do you have administrator access to the destination server?
To ensure security and compatibility, avoid downloading isolated .dll files from third-party websites. Instead, use the official installer which registers the assemblies correctly in the Global Assembly Cache (GAC).
1. Error: "Could not load file or assembly 'Microsoft.ReportViewer.Common, Version=9.0.0.0'" microsoft.reportviewer.common version 9.0.0.0 download
If the installer does not fix your problem, try these quick steps. Check your .NET Framework This file needs to run. Open your computer settings. Turn on .NET Framework 3.5 in your Windows Features. Check the GAC folder The GAC is a special folder for computer code. Sometimes files do not copy into it correctly. Re-run the installer as an Administrator to fix this.
: Sometimes, direct installation through NuGet can manage versions and dependencies better. However, the original Report Viewer 2010 (version 9.0.0.0) might not be directly available on NuGet for newer .NET targets due to its age and compatibility. Is this a (ASP
Find Microsoft.ReportViewer.Common.dll (Version 9.0.0.0) on a working developer machine inside C:\Windows\assembly or Visual Studio installation paths.
Install-Package Microsoft.ReportViewer.Common -Version 12.0.0.0 Install-Package Microsoft.ReportViewer.WebForms -Version 12.0.0.0 Instead, use the official installer which registers the
The Microsoft.ReportViewer.Common.dll version 9.0.0.0 is part of the package.
The specific file version is typically 9.0.21022.8 . Common Issues and Migrations