如何在占位符中的动态生成标签之间创建换行符？

Question

这是代码隐藏在文件Page_Load事件后面的代码:

        LinkButton linkButton = new LinkButton();
        linkButton.ID = "LinkButtonDynamicInPlaceHolder1Id" + i;
        linkButton.ForeColor = Color.Blue;
        linkButton.Font.Bold = true;
        linkButton.Font.Size = 14;
        linkButton.Font.Underline = false;
        linkButton.Text = itemList[i].ItemTitle.InnerText;
        linkButton.Click += new EventHandler(LinkButton_Click);
        linkButton.Attributes.Add("LinkUrl",itemList[i].ItemLink.InnerText);
        PlaceHolder1.Controls.Add(linkButton); 
        Label label = new Label();
        label.ID = "LabelDynamicInPlaceHolder1Id" + i;
        label.ForeColor = Color.DarkGray;
        label.Text = itemList[i].ItemDescription.InnerText;
        PlaceHolder1.Controls.Add(label);

我想在生成的每个控件之间换行.

Answer 1

但是,如果您在Page_Load事件中执行此操作,则会解决您的换行问题,那么您的事件处理程序将无法工作,您将遇到Page Life Cycle问题.基本上,为了让你的事件处理程序在PostBack上触发,你真的需要在页面生命周期的早期创建这些动态控件.如果遇到此问题,请尝试将代码移动到OnInit方法.

    LinkButton linkButton = new LinkButton();
    linkButton.ID = "LinkButtonDynamicInPlaceHolder1Id" + i;
    linkButton.ForeColor = Color.Blue;
    linkButton.Font.Bold = true;
    linkButton.Font.Size = 14;
    linkButton.Font.Underline = false;
    linkButton.Text = itemList[i].ItemTitle.InnerText;
    linkButton.Click += new EventHandler(LinkButton_Click);
    linkButton.Attributes.Add("LinkUrl",itemList[i].ItemLink.InnerText);
    PlaceHolder1.Controls.Add(linkButton); 

    //Add This
    PlaceHolder1.Controls.Add(new LiteralControl("<br />"));


    Label label = new Label();
    label.ID = "LabelDynamicInPlaceHolder1Id" + i;
    label.ForeColor = Color.DarkGray;
    label.Text = itemList[i].ItemDescription.InnerText;
    PlaceHolder1.Controls.Add(label);