title: Prevent postback on Telerik GridButtonColumn click in RadGrid
body: <p>When I click Image button in GridButtonColumn of RadGrid, the page get refreshed. Is there any solution for this?</p>
  
  <pre><code>&lt;telerik:RadGrid ID="GrdCol" runat="server" Height="200px" Width="970px"
                   CellSpacing="0" GridLines="Horizontal" TabIndex="30"
                   AutoGenerateColumns="False" Skin="WebBlue" Font-Size="8pt"
                   Font-Names="Tahoma" AllowPaging="false" EnableViewState="False"&gt;
    &lt;ClientSettings&gt;
      &lt;Scrolling ScrollHeight="300" AllowScroll="true" UseStaticHeaders="true" /&gt;
      &lt;ClientEvents OnCommand="GrdCol_OnCommand" OnRowDataBound="GrdCol_RowDataBound" /&gt;
      &lt;DataBinding ShowEmptyRowsOnLoad="true" SelectMethod="GetMetrics"/&gt;
    &lt;/ClientSettings&gt;
    &lt;MasterTableView ShowFooter="false" EditMode="InPlace"
                     CommandItemDisplay="Top" TableLayout="Fixed"&gt;
      &lt;CommandItemSettings ShowRefreshButton="false"/&gt;
      &lt;Columns&gt;
        &lt;telerik:GridButtonColumn HeaderText="Edit" ButtonType="ImageButton"
                                  CommandName="Edit" UniqueName="EditColumn"
                                  ImageUrl="../Images/Edit.png"&gt;
          &lt;HeaderStyle HorizontalAlign="Center" Width="40px" /&gt;
          &lt;ItemStyle HorizontalAlign="Center"&gt;
          &lt;/ItemStyle&gt;
        &lt;/telerik:GridButtonColumn&gt;
      &lt;/Columns&gt;
    &lt;/MasterTableView&gt;
  &lt;/telerik:RadGrid&gt;
  </code></pre>