image url Concatenate string
<p>i want to achievet the following Url</p>

<pre><code>ImageUrl='~/products_pictures/(imageId)_middle.jpg
</code></pre>

<p>im using gridview and datalist</p>

<p>im trying the follwoing combination but it not working</p>

<pre><code>  &lt;asp:Image ID="Image1"  ImageUrl='~/products_pictures/&lt;%#Eval("Id")%&gt;_middle.jpg' runat="server" /&gt;&lt;/td&gt;


 &lt;asp:Image ID="Image1"  ImageUrl=&lt;%"~/products_pictures/"%&gt;&lt;%#Eval("Id")%&gt;&lt;%"_middle.jpg"%&gt; runat="server" /&gt;
</code></pre>
