Hide show image based on Database column value in ASP.Net

micah says:

<asp:Image ID="Image3" runat="server" class="" Style="width: 100%" ImageUrl='<%# "UserImage/"+Eval("ImageName1")%>' /> 

 Replace above code with below.

HTML

<asp:Image ID="Image3" runat="server" Visible='<%#(Eval("ImageName1")).ToString()!="" ? true : false %>'
    Style="width: 100%" ImageUrl='<%# "UserImage/"+Eval("ImageName1")%>' />