title: How do you do a simple popup window in Telerik?
body: <p>How do you do a simple popup window in Telerik?</p>
  
  <p>What would be the code-behig C# code in aspx:</p>
  
  <p>===========</p>
  
  <pre><code> &lt;telerik:RadWindow ID="modalPopup" runat="server" Width="360px" Height="360px"&gt;
  
             &lt;ContentTemplate&gt;
  
                  &lt;div style="padding: 10px; text-align: center;"&gt;
  
                       &lt;telerik:RadButton ID="rbToggleModality" Text="Toggle modality" OnClientClicked="togglePopupModality"
  
                            AutoPostBack="false" runat="server" Height="65px" /&gt;
  
                  &lt;/div&gt;
  
                  &lt;p style="text-align: center;"&gt;
  
                       The format of the dates are incorrect.  Please use two digit month and
  
                       a four digit year for proper formatting.
  
                  &lt;/p&gt;
  
             &lt;/ContentTemplate&gt;
  
    &lt;/telerik:RadWindow&gt;
  </code></pre>