Marquee with Image in Datalist--Not Working

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ASP.NET

I need to Rotate all the image about 25 images from left to right (or right to left) using Datalist , but the problem is that when i run the page, datalist get the automatic width for all 25 images, i set with 400px but its not working, anyone please suggest where i m wrong, source and code below:

plz note i get path from XML file

<marquee id="marq" behavior="scroll" direction="Horizontal" scrolldelay="4" scrollamount="3">
<asp:DataList ID="DataList2" runat="server" RepeatDirection="Horizontal" Width = "400px">
 <itemtemplate>
<asp:Image ID="TopSchImg" runat="server" Height ="100" Width ="100" ImageUrl ='<%#Eval("Imagepath") %>' />
 </itemtemplate>
  
 </marquee>

CODE:

Dataset dsimg = new DataSet();
dsimg.ReadXml(Server.MapPath("~\\XML\\IT-Awards.xml"));
DataList2.DataSource = dsimg.Tables[0];
DataList2.DataBind();