<div>
have you put in a using statement for that assembly?
</div>


have you put in a using statement for that assembly?

<div>
I put it in my references in the solution explorer (visual studio 2008).
</div>


I put it in my references in the solution explorer (visual studio 2008).

<div>
I added <br />
using DevExpress.XtraCharts;<br />
to the script and code, but still the same error.
</div>


I added
using DevExpress.XtraCharts;
to the script and code, but still the same error.

<div>
Did you reference the correct version of the file?
</div>


Did you reference the correct version of the file?

<div>
I'm pretty sure... it was asking for 8.1 and that's the version I have added.
</div>


I'm pretty sure... it was asking for 8.1 and that's the version I have added.

<div>
did you just recently upgrade? make a copy of the project's liscenses.licx and then delete it from the solution - then try to build. &nbsp;if that doesn't work just put the old file back in
</div>


did you just recently upgrade? make a copy of the project's liscenses.licx and then delete it from the solution - then try to build.  if that doesn't work just put the old file back in

<div>
<div class="content wysiwyg-content">
I get an error in Report Designer when I run a report CS0012 The type 'DevExpress.Charts.Native.<wbr />ISeries' is defined in an assembly that is not referenced. &nbsp;You must add a reference to assembly 'DevExpress.Charts.v8.1.Co<wbr />re'<br />
<br />
I've referenced it in my project... below is the code in the report.<br />

<pre><code id="code-187986">private void OnBeforePrint(object sender, System.Drawing.Printing.PrintEventArgs e) {
	XRChart xrChart = (XRChart)sender;
	Series series1 = xrChart.Series[0];
	DataFilter dataFilter = new DataFilter(&quot;MMSI&quot;, &quot;Int32&quot;, DataFilterCondition.Equal, GetCurrentColumnValue(&quot;MMSI&quot;));
	series1.DataFilters.Add(dataFilter);
}
</code></pre>
</div>
</div>


I get an error in Report Designer when I run a report CS0012 The type 'DevExpress.Charts.Native.ISeries' is defined in an assembly that is not referenced.  You must add a reference to assembly 'DevExpress.Charts.v8.1.Core'

I've referenced it in my project... below is the code in the report.

DevExpress Error

C# is an object-oriented programming language created in conjunction with Microsoft’s .NET framework. Compilation is usually done into the Microsoft Intermediate Language (MSIL), which is then JIT-compiled to native code (and cached) during execution in the Common Language Runtime (CLR).