Tab key not working in asp.net
<p>i have set the tab index of each control but it is not working.
mean my tab index in not working
i have use follow code</p>

<pre><code>   &lt;asp:DropDownList ID="ddlSupplierName" runat="server" CssClass="form-element-normal" TabIndex="1"&gt;
                            &lt;/asp:DropDownList&gt;
</code></pre>
