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The type or namespace name 'JavaScript' does not exist in the namespace 'Syncfusion' (are you missing an assembly reference?)

Thread ID:





146172 Jul 22,2019 10:28 PM UTC Jul 24,2019 04:28 PM UTC Report Platform 1
Tags: Report Viewer
sruthi parlapalli
Asked On July 22, 2019 10:28 PM UTC

I am trying to add
in my designer.cs file and it is throwing the following
The type or namespace name 'JavaScript' does not exist in the namespace 'Syncfusion' (are you missing an assembly reference?) error
and i see in the .aspx file

it is showing element report viewer is not a known element.this can occur if there is a compilation error or web.config id missing.
Can u please help me on this.

Vinoth Srinivasan [Syncfusion]
Replied On July 24, 2019 04:28 PM UTC

Hi Sruthi, 

Thanks for your interest in our Syncfusion product. 

We suspect the NuGet packages are not referred properly at your end. Please find the below help documentation for how to create the Report Viewer control in ASP.NET WebForms application. 

We have prepared the simple sample for your reference and it can be downloaded from below location. 

Vinoth S. 


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