SelectedIndexChanged event dont fire when create a dropdownlist in code-behind
<p>For two day i try to solve this issue.</p>

<p>I create a dropDownList in code-behind, in selectIndexChange of another dropDownList, and add this new dropDownList to page using a placerHolder, everthing its ok, but new dropdownlist selectIndexChange event dont fire!</p>

<p>code of dropDownList creation  </p>

<pre><code>dropDown = new DropDownList();
dropDown.AutoPostBack = true;
dropDown.ID = idSubistema;
dropDown.Width = 400;
dropDown.CssClass = "controltext";
dropDown.DataValueField = "IDNivel";
dropDown.DataTextField = "NIVEL";
dropDown.EnableViewState = true;
dropDown.DataSource = 
   DBLibray.DefinitionIndicadores.spSelect_FillCombosWithNivelByIdParent(
       ref dataConnector, 
       Convert.ToInt32(idSubistema));

dropDown.DataBind();

dropDown.SelectedIndexChanged += new EventHandler(indexChange);
//dropDown.PreRender += new EventHandler(dropDown_PreRender);

placeHolderForCombos.Controls.Add(new LiteralControl("&lt;div&gt;"));
placeHolderForCombos.Controls.Add(lb);
placeHolderForCombos.Controls.Add(new LiteralControl("&lt;br&gt;"));
placeHolderForCombos.Controls.Add(dropDown);
placeHolderForCombos.Controls.Add(new LiteralControl("&lt;/div&gt;"));
placeHolderForCombos.Controls.Add(new LiteralControl("&lt;br&gt;"));
</code></pre>

<p>Can't anybody help with this??</p>

<p>Thanks</p>
