Sintax problem grabbing a value from a query

[jdscams]

Im trying to grab a value from my query. Im gettign a sintax error.
It contains a picture name mypic.jpg. Then i want to display that on my page.

This is what im doing how do i do this correctly.

display.aspx

<asp:Image ID="Img1" ImageUrl="pathToPicture" runat="server" />

display.aspx.cs

Picture DLtestPicture = new Picture();
DataTable DTTestPicture = DLtestPicture.GetRandomPicture();
String pathToPicture = DTTestPicture.Rows(0).Item("PicLoc").ToString();