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When calling Server.CreateObject("3DCHART.NChart.7"), it returns empty. The ActiveX control is registered in the registry. I have 3DChart.tlb, 3DChartM.ocx, and NChart.lic in my web server bin directory. I also have NevronConfig and NevronTemp directories that contain NConfig.cfg. Why Server.CreateObject failed? Please help. Thanks in advance! Cindy
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Group: Forum Members
Last Active: 14 Years Ago
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Actually, it didn't fail to create the chart object. It failed at NChart.ImportExport.SaveJPEGImage. Any one knows why? Thanks, Cindy
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Group: Forum Members
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Hi Cindy, Most likely the issue is caused by the security permissions applied on the NevronTemp directory – generally you need to grant read / write list permissions to the IUSR and IIS_IUSRS accounts. We strongly recommend using the .NET chart control (more information can be found at: http://www.nevron.com/Products.ChartFor.NET.Overview.aspx) as it is specifically designed to work with ASP.NET servers and has wider server and client side functionality.
Best Regards, Nevron Support Team
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