Asp.net Html按钮在Google Chrome中触发两次回发

我设置了一个Html按钮

runat=“server”

。当我点击这个按钮时，我有时会执行两次按钮代码，但只有在Chrome浏览器中运行时才会执行。我知道，由于按钮位于更新面板中，所以我可以预料到这一点，但当我在Chrome中运行时，我无法确定异步回发，因为值总是相同的（即使在第二次执行时）：

aspx页面如下：

<form id="form1" runat="server">
<div>
    <asp:ScriptManager ID="ScriptManager1" runat="server">
    </asp:ScriptManager>

    <asp:UpdatePanel ID="UpdatePanel1" runat="server">
        <ContentTemplate>  
            <button id="btnHtml1" runat="server" class="toolStripButton"><img src="../Images/ManLate32.png" alt="[Man Late]"/><br />Html Button</button>
            <button id="btnHtml2" runat="server" class="toolStripButton"><img src="../Images/PayCategory32.png" alt="[Pay Category]"/><br />Html Button 2</button>
        </ContentTemplate>
    </asp:UpdatePanel>

</div>
</form>

---

我尝试添加webkit javascript文件，但似乎没有效果。我也在很多地方读到，这是由于空的src值造成的，但我没有这些值。

您是否尝试过用javascript onclick禁用按钮？@happygilmore-我不明白这会有什么帮助？

<form id="form1" runat="server">
<div>
    <asp:ScriptManager ID="ScriptManager1" runat="server">
    </asp:ScriptManager>

    <asp:UpdatePanel ID="UpdatePanel1" runat="server">
        <ContentTemplate>  
            <button id="btnHtml1" runat="server" class="toolStripButton"><img src="../Images/ManLate32.png" alt="[Man Late]"/><br />Html Button</button>
            <button id="btnHtml2" runat="server" class="toolStripButton"><img src="../Images/PayCategory32.png" alt="[Pay Category]"/><br />Html Button 2</button>
        </ContentTemplate>
    </asp:UpdatePanel>

</div>
</form>

Public Class ChromeBug
    Inherits System.Web.UI.Page

    Private Sub btnHtml1_Click(sender As Object, e As System.EventArgs) Handles btnHtml1.ServerClick
        Globals.SubmitCount += 1
        Debug.WriteLine(String.Format("Submit Count:{0} IsPostBack:{1} IsCallBack:{2} IsAsyncPostBack:{3} IsInAsyncPostBack2:{4}", Globals.SubmitCount, IsPostBack, IsCallback, ScriptManager.GetCurrent(Me).IsInAsyncPostBack, ScriptManager1.IsInAsyncPostBack.ToString))
    End Sub

    Private Sub btnHtml2_Click(sender As Object, e As System.EventArgs) Handles btnHtml2.ServerClick
        Globals.SubmitCount += 1
        Debug.WriteLine(String.Format("Submit Count:{0} IsPostBack:{1} IsCallBack:{2} IsAsyncPostBack:{3} IsInAsyncPostBack2:{4}", Globals.SubmitCount, IsPostBack, IsCallback, ScriptManager.GetCurrent(Me).IsInAsyncPostBack, ScriptManager1.IsInAsyncPostBack.ToString))
    End Sub
End Class