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    <p>solved it using ItemDataBound event:</p> <p>Aspx code:</p> <pre><code> &lt;telerik:RadRotator ID="rrotAttachmentImages" runat="server" RotatorType="CoverFlowButtons" Height="250px" Width="700px" ItemHeight="225px" ItemWidth="700px" ScrollDuration="100" onitemdatabound="rrotAttachmentImages_ItemDataBound" &gt; &lt;ItemTemplate&gt; &amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; &lt;asp:CheckBox ID="chkImageDefault" runat="server" Text="Default Image" Visible='&lt;%# Eval("Default").ToString() == "1" %&gt;'&gt;&lt;/asp:CheckBox&gt; &lt;asp:Label ID="lblImages_Comments" runat="server" Text="Comments:"&gt;&lt;/asp:Label&gt; &lt;telerik:RadTextBox ID="rtxtImageComments" runat="server" Width="300px" Text='&lt;%# Eval("Comments") %&gt;' Enabled="false" &gt;&lt;/telerik:RadTextBox&gt; &lt;asp:Image runat="server" ID="Image" ImageUrl='&lt;%# Eval("File") %&gt;' AlternateText="Image"&gt;&lt;/asp:Image&gt; &lt;/ItemTemplate&gt; &lt;/telerik:RadRotator&gt; </code></pre> <p>C# code for ItemDataBound Event:</p> <pre><code> protected void rrotAttachmentImages_ItemDataBound(object sender, RadRotatorEventArgs e) { #region Fixing Document Icon Image imgImage = e.Item.FindControl("Image") as Image; string strFile = imgImage.ImageUrl; bool booImage = false; if (string.IsNullOrEmpty(strFile)) { imgImage.ImageUrl = "~/somefolder/NoImage.jpg"; } else { if (strFile.ToLower().EndsWith(".jpeg")) booImage = true; if (strFile.ToLower().EndsWith(".jpg")) booImage = true; if (strFile.ToLower().EndsWith(".gif")) booImage = true; if (strFile.ToLower().EndsWith(".bmp")) booImage = true; if (strFile.ToLower().EndsWith(".png")) booImage = true; if (!booImage) { if (strFile.ToLower().EndsWith(".txt") || strFile.ToLower().EndsWith(".doc") || strFile.ToLower().EndsWith(".docx") || strFile.ToLower().EndsWith(".xls") || strFile.ToLower().EndsWith(".xlsx")) { imgImage.ImageUrl = "~/somefolder/DocumentIco.png"; } else { imgImage.ImageUrl = "~/somefolder/NoImage.jpg"; } } } #endregion } </code></pre>
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