Dear Sandra, I still have the problem. I changed path to TeeChart.dll in HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\.NETFramework\AssemblyFolders by RegEdit. also confirmed "DesignKey"="Steema.TeeChart.TChart is a licensed component." in [HKEY_LOCAL_MACHINE\SOFTWARE\Steema Software\TeeChart.NET] and this...
Hi, I'm Jason I'm using TeeChartNET2012_4.1.2012.09280. When I run Visual studio 2010, Message box shows [The TeeChart Evaluation version has expired. Please see http://www.steema.com for a current release] and I can't use TeeChart anymore. So I'm uninstall TeeChart and upgrade version to TeeChartNE...