Question

我无法获得名为＆＃34; Select2＆＃34;的第二个选择控件。但我可以得到第一个选择控件＆＃34; Select1＆＃34;。有人知道如何解决这个问题吗？

    function ShowModalDialog(myData) {
        gmyData = myData;

        var x = document.getElementById("Select1");
        var y = document.getElementById("Select2");
            }

    protected void btnPopup_Click(object sender, EventArgs e)
    {
        List<MyItem> myList = new List<MyItem>();
        myList.Add(new MyItem("t1", "v1"));
        myList.Add(new MyItem("t2", "v2"));
        myList.Add(new MyItem("t3", "v3"));

        string output = JsonConvert.SerializeObject(myList);

        string szJS = "ShowModalDialog(" + output + ");";
        ScriptManager.RegisterStartupScript(this, this.GetType(), "key1", szJS, true);
    }

<body>
    <form id="form1" runat="server">
        <asp:ScriptManager ID="ScriptManager1" runat="server"></asp:ScriptManager>
        <div>
            <div id="dialog" style="display: none">
                This is a simple popup
                <br />

                <select id="Select1" onchange="mySelectFunction1();" />
                <select id="Select2" onchange="mySelectFunction2();" />

            </div>
            <asp:Button ID="btnPopup" runat="server" Text="Show Popup" OnClick="btnPopup_Click" />
        </div>
    </form>
</body>
</html>

Answer 1

尝试在aspx页面的顶部设置ClientIDMode="Static"。这将客户端ID设置为与服务器控件的ID相同。 MSDN - Control.ClientIDMode Property

ASP.NET webform无法获得第二个选择的html控件

1 个答案: