title: How to solve unknown Server tag "rsweb:ReportViewer"
body: <p>I have created ssrs report. Now i want to call that report in my aspx page.
  I have used following code for this purpose.</p>
  
  <pre><code> &lt;rsweb:ReportViewer ID="rptViewer" runat="server" CssClass="rpviewerparm" BackColor="#60759B"&gt;
      &lt;/rsweb:ReportViewer&gt;
  </code></pre>
  
  <p>but i get the below error:
  unknown server tag 'rsweb:Reportviewer'.</p>