<form id="form1" runat="server">
    <div>
        <asp:ObjectDataSource ID="ObjectDataSource1" runat="server" SelectMethod="GetAllFile" TypeName="ManagIMG"></asp:ObjectDataSource>    
        <asp:GridView ID="GridView1" runat="server" DataSourceID="ObjectDataSource1">
        </asp:GridView>
       <asp:Repeater ID="Repeater1" runat="server" DataSourceID="ObjectDataSource1">
        <ItemTemplate>
        <img alt= "testing" src='/myDir/<%# Eval("Name") %>' /><br />
        </ItemTemplate>
        </asp:Repeater>
    </div>
    </form>