So far this is my code but when I load the web page the image's file size stays the same rather then reduce.
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" CssClass="style12"
DataSourceID="SqlDataSource1" AllowPaging="True" OnRowCommand="GridView1_RowCommand"
PageSize="5">
<Columns>
<asp:TemplateField>
<ItemTemplate>
<asp:ImageButton runat="server" Width="75px" ImageUrl='<%#Eval("ImageUrl") %>' />
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
</ContentTe ...
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