Microsoft Reporting Archives - smallworkarounds https://www.smallworkarounds.com/category/microsoft-reporting Welcome to SmallWorkarounds Wed, 15 Mar 2017 08:23:08 +0000 en-US hourly 1 https://wordpress.org/?v=6.9 The base class includes the field ‘ReportViewer1’, but its type (Microsoft.Reporting.WebForms.ReportViewer) is not compatible with the type of control (Microsoft.Reporting.WebForms.ReportViewer) https://www.smallworkarounds.com/2009/07/base-class-includes-field-but-its-type.html Mon, 13 Jul 2009 07:40:00 +0000 https://www.smallworkarounds.com/index.php/2009/07/13/base-class-includes-field-but-its-type/ If you are getting this error while using old reports from your legacy application then you can try out the […]

The post The base class includes the field ‘ReportViewer1’, but its type (Microsoft.Reporting.WebForms.ReportViewer) is not compatible with the type of control (Microsoft.Reporting.WebForms.ReportViewer) appeared first on smallworkarounds.

]]> If you are getting this error while using old reports from your legacy application then you can try out the following solutions

  1. Change in your Web.config all “Microsoft.ReportViewer.WebForms, Version=8.0.0.0,…” to ” Microsoft.ReportViewer.WebForms, Version=9.0.0.0,…” and in controls “Register Assembly=”Microsoft.ReportViewer.WebForms, Version=8.0.0.0,…” to “Register Assembly=”Microsoft.ReportViewer.WebForms, Version=9.0.0.0,…”
  2. Clean your solution and delete the related dll files and then again rebuild the solution.

Generally doing step 1 will resolve the problem as in legacy applications its configured to use Version=8.0.0.0

The post The base class includes the field ‘ReportViewer1’, but its type (Microsoft.Reporting.WebForms.ReportViewer) is not compatible with the type of control (Microsoft.Reporting.WebForms.ReportViewer) appeared first on smallworkarounds.

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