我搜索了很多問題,閱讀了很多解決方案,但仍然沒有找到解決我正在努力的問題: 我的listview顯示了幾張圖片一個目錄,但有時我忘了旋轉圖片,我想要一個按鈕來選擇一個項目,然後按一個按鈕來旋轉顯示的圖片。但我無法解析保存URL值的2個隱藏域中的值。我得到的初始值,而不是評估值:ASP.NET Listview的hiddenfield值是空的selectse
Dim URLorg As HiddenField = TryCast(FotoListView.Items(FotoListView.SelectedIndex).FindControl("URLorigineel"), HiddenField)
URLorg.value給人>> 「../ <%#的eval( 」URLorigineel「)%>」
來源:
<asp:ListView runat="server" ID="FotoListView" ItemPlaceholderID="PlaceHolder3" DataSourceId='odsAvailableFotos' DataKeyNames="ID">
<LayoutTemplate>
<ul>
<div style="overflow:scroll; height:380px;"> <asp:PlaceHolder runat="server" ID="PlaceHolder3" />
</div>
</ul>
</LayoutTemplate>
<ItemTemplate>
<li>
<hr />
<asp:LinkButton runat="server" ID="LinkButton1" Text="Select" CommandName="Select" BackColor="#33CCFF" BorderColor="#003399" Width="70" CssClass="PhotoEditBtn" Height="15" />
<a href='../<%# Eval("URLorigineel") %>' target="_blank" id="ImageRef"><%# Eval("Caption")%><br />
<img src='../<%# Eval("URL") %>' alt="Click to see image" class="Rounded_image_sample" id="ImgSource" />
</a>
<asp:HiddenField ID="URL" runat="server" Value='../<%# Eval("URL") %>' />
<asp:HiddenField ID="URLorigineel" runat="server" Value='../<%# Eval("URLorigineel") %>' />
</li>
</ItemTemplate>
<SelectedItemTemplate>
<li>
<hr />
<asp:LinkButton runat="server" ID="LinkButton1" Text="Delete" CommandName="Delete" BackColor="#33CCFF" BorderColor="#003399" Width="70" CssClass="PhotoEditBtn" Height="15" />
<asp:Label ID="dummy1" runat="server" text=" " />
<asp:LinkButton runat="server" ID="LinkButton2" Text="Rotate" CommandName="Rotate" CssClass="PhotoEditBtn" BackColor="#33CC33" Width="70" Height="15" />
<asp:LinkButton runat="server" ID="LinkButton3" Text="Cancel" CommandName="ANnuleer" CssClass="PhotoEditBtn" BackColor="#33CC33" Width="70" Height="15" />
<br />
<a href='../<%# Eval("URLorigineel") %>' target="_blank" id="ImageRef"><%# Eval("Caption")%><br />
<img src='../<%# Eval("URL") %>' alt="Click to see image" class="Rounded_image_sample" id="ImgSource" />
</a>
<asp:HiddenField ID="URL" runat="server" Value='../<%# Eval("URL") %>' />
<asp:HiddenField ID="URLorigineel" runat="server" Value='../<%# Eval("URLorigineel") %>' />
</li>
</SelectedItemTemplate>
</asp:ListView>
我發現了一個靈魂。 – 2012-08-06 06:29:36
我爲你高興Dirkjan – 2012-08-06 07:49:08