title: Autopostback keeps refreshing site
body: <p>I have a dropdownlist, and when I set AutoPostBack="true", the page keeps refreshing.</p>
  
  <p>any who knows what might be wrong?</p>
  
  <pre><code>&lt;asp:Repeater ID="repFunctionsToAdd" runat="server" OnItemDataBound="repFunctionsToAdd_ItemDataBound"&gt;
   &lt;ItemTemplate&gt;
     &lt;div class="person-section"&gt;
       &lt;div class="row"&gt;
        &lt;strong&gt;
         &lt;%# Eval("Name") %&gt;
        &lt;/strong&gt;
        &lt;a class="btn-question" href="#"&gt;question&lt;/a&gt;
        &lt;div class="load"&gt;
         &lt;img src="../images/load&lt;%# Eval("PreProductionLoad") %&gt;.gif" width="40" height="16" alt="image description" /&gt;
         &lt;img src="../images/load&lt;%# Eval("ProductionLoad") %&gt;.gif" width="40" height="16" alt="image description" /&gt;
         &lt;img src="../images/load&lt;%# Eval("PostProductionLoad") %&gt;.gif" width="40" height="16" alt="image description" /&gt;
        &lt;/div&gt;
       &lt;/div&gt;
       &lt;div class="row"&gt;
        &lt;div class="btn01 btn-tilfoj"&gt;
         &lt;ctrl:Hyperlink ID="hlAddFunction" runat="server" Icon="Plus" Text="Tilføj" /&gt;
        &lt;/div&gt;
        &lt;label for="select2"&gt;
         Tilføj til:&lt;/label&gt;
        &lt;asp:DropDownList ID="ddlUsers" runat="server" Width="190" OnSelectedIndexChanged="ddlUsers_Sic" AutoPostBack="true" /&gt;                                                      
     &lt;/div&gt;                                                
    &lt;/div&gt;
   &lt;/ItemTemplate&gt;
  &lt;/Repeater&gt;
  </code></pre>