Serving an image using a common handler in list view mode. Is it possible?

Currently, on my webpage, I am loading images into a ListView object as follows:

 <ContentTemplate>
            <asp:ListView ID="ListView1" runat="server">
                <layouttemplate>
                    <asp:PlaceHolder id="itemPlaceholder" runat="server" />
                </layouttemplate>
                <ItemTemplate>
                        <td>
                            <asp:Image ID="Image1" runat="server"  
                    ImageUrl = '<%# DataBinder.Eval(Container.DataItem, "Image") %>' />
                        </td>
                    </tr>
                </ItemTemplate>
            </asp:ListView>
 </ContentTemplate>

Now I would like to use a combination of a Generic Handler and a ListView object to serve images in a ListView

... a general handler call is like

~/Handlers/Image.ashx?img=

How could I combine both above to display images?

I tried something like the following, but this is not correct

<asp:Image ID="Image1" runat="server"  
                        ImageUrl = ~/Handlers/Image.ashx?img= & '<%# DataBinder.Eval(Container.DataItem, "Image") %>' />

So what is the correct way?

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2 answers

Yes, that is the right way. However, your syntax for ImageUrl binding is not correct. Try the following:

<asp:Image ID="Image1" runat="server" ImageUrl ='<%# "~/Handlers/Image.ashx?img=" + Eval("Image")%>' />

ItemDataBound :

Image image1 = e.FindControl("Image1") as Image;
YourClass item = e.DataItem as YourClass;
image1.ImageUrl = String.Format("~/Handlers/Image.ashx?img={0}", item.Image")
+1

<ItemTemplate>
<asp:Hyperlink runat= "server" Text='<%#DataBinder.Eval(Container.DataItem,"ProductName").ToString()%>'                               NavigateUrl='<%# "page.aspx?Name=" & DataBinder.Eval (Container.DataItem,"ProductName").tostring %>' ID="ProductName"/>   
</ItemTemplate>

,

: http://www.extremeexperts.com/Net/FAQ/PassingMulitpleParameterinURLLink.aspx

0

Source: https://habr.com/ru/post/1795022/


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