Question

我有一个包含9个项目的转发器，其中的值在客户端页面上分配，所有9个显示完成。

我正在使用ItemDataBound在服务器端编辑项目图像，但它只返回9中的8个。我调试它并且它从不拾取第一个项目。有什么想法吗？

ASPX：

<asp:Repeater ID="rep_FeaturedProds" runat="server" DataSourceID="SqlDataSource1" OnItemDataBound="rep_FeaturedProds_OnItemDataBound">
      <ItemTemplate>
          <li>
               <div class="Homepage_FeaturedProds_HR"></div>
                   <div class="Homepage_FeaturedProds_HR_Item">
                       <a href='Product.aspx?pid=<%# DataBinder.Eval(Container.DataItem,"decID") %>'>
                           <div id="Homepage_FeaturedProds_BG" class="Homepage_FeaturedProds_BG" runat="server">
                                    <div class="Homepage_FeaturedProds_Thumb"><img id="imgProduct_Thumb" runat="server" /></div>
                           </div>
                           <div class="Homepage_FeaturedProds_Title"><%# DataBinder.Eval(Container.DataItem,"productDefaultName") %></div>
                           <div class="Homepage_FeaturedProds_Rating"></div>
                           <div class="Homepage_FeaturedProds_MoreInfo">More Info ></div>
                           <asp:HiddenField ID="hfDecId" runat="server" Value='<%# DataBinder.Eval(Container.DataItem,"decID") %>' />
                        </a>
                  </div>
             </li>
     </ItemTemplate>
</asp:Repeater>

C＃代码：

protected void rep_FeaturedProds_OnItemDataBound(object sender, RepeaterItemEventArgs e)
{
    if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
    {
        foreach (RepeaterItem ri in rep_FeaturedProds.Items)
        {
            HtmlImage imgProduct_Thumb = (HtmlImage)e.Item.FindControl("imgProduct_Thumb");
            HiddenField hfImageFileName = (HiddenField)e.Item.FindControl("hfDecId");
            HtmlGenericControl Homepage_FeaturedProds_BG = (HtmlGenericControl)e.Item.FindControl("Homepage_FeaturedProds_BG");

            string imgPath = "~/Uploads/Images/ProductThumbs/";
            string decId = hfImageFileName.Value + "_thumb.png";

            if (System.IO.File.Exists(Server.MapPath(imgPath + decId)))
            {
                imgProduct_Thumb.Src = imgPath + decId;
            }
            else
            {
                imgProduct_Thumb.Src = imgPath + "0000_thumb.png";

            }
        }
    }
}

Answer 1

AS @Lincolnk提到，删除以下行修复了该问题。即使在使用ri.findcontrol引用控件以查找时，也存在此问题。通过删除和使用e.Item.FindControl修复。

foreach (RepeaterItem ri in rep_FeaturedProds.Items)

Repeater在ItemDataBound上跳过第一行

1 个答案: