asp.net中列表框的双击事件 [英] double click event of list box in asp.net

问题描述

我想在ASP.NET中使用双击事件.我已经使用了这段代码，但对我没有用.
请帮帮我.

I want to use double click event in ASP.NET. I already used this code but it didn''t worked for me.
Please help me.

protected void Page_Load(object sender, EventArgs e)
    {
          if (!IsPostBack)
            {
               try
        {
              String postBackReferenceForListBox =

                this.Page.GetPostBackClientEvent(btnForListBoxDoubleClick, "dblClickfromHiddenButton");

                ListBox1.Attributes.Add("ondblclick", postBackReferenceForListBox);
            }
        catch (Exception ex)
        { }
    }

}
    private void btnForListBoxDoubleClick_ServerClick(object sender, System.EventArgs e)
    {
        try
        {
            string argument = Request.Params["__EVENTARGUMENT"].Trim();

            if (argument == "dblClickfromHiddenButton")
            {
                Response.Write("HI");
                // logic to process the selected item from listbox goes here
            }
        }
        catch (Exception ex)
        { }

    }

推荐答案

此 [ ^ ]会为您提供帮助.它使用ListBox1.Attributes.Add("ondblclick", ClientScript.GetPostBackEventReference(ListBox1, "move"));

This[^] would help you. It uses ListBox1.Attributes.Add("ondblclick", ClientScript.GetPostBackEventReference(ListBox1, "move"));

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