Question

我的主页上有这段代码：

<script type="text/javascript"> 
function silentErrorHandler() { return true; }
    window.onerror = silentErrorHandler;
alert("handled");
</script>

但我仍然收到此错误：错误：无法获取属性'scrollLeft'的值：object为null或undefined

如何在不必在ie？

中设置禁用脚本调试的情况下完全抑制这些错误

我会解决这个错误，但是我花了很长时间看这个问题并没有人对我的其他帖子发表评论： https://stackoverflow.com/questions/7915208/jscript-runtime-error-on-callback-using-updatepanel

<%@ Page Title="" Language="VB" MasterPageFile="~/WinPlan.master" AutoEventWireup="false"
    CodeFile="Scheduler.aspx.vb" Inherits="Scheduler" %>

<%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="act" %>
<%@ Register Assembly="DayPilot" Namespace="DayPilot.Web.Ui" TagPrefix="DayPilot" %>
<asp:Content ID="PageHeadContent" ContentPlaceHolderID="page_header_content" runat="Server">
    <asp:ScriptManagerProxy ID="ScriptManagerProxy1" runat="server" EnableViewState="true">
    </asp:ScriptManagerProxy>
    <asp:UpdatePanel ID="upnlSearchBar" runat="server">
        <ContentTemplate>
            <div class="searchBar">
                <table id="userSearchBar">
                    <tr>
                        <td align="left">
                            <asp:Label ID="Label1" runat="server" Text="From: " Font-Bold="true" Width="50"></asp:Label>
                        </td>
                        <td align="left">
                            <asp:TextBox ID="txtFromDate" runat="server" Width="80"></asp:TextBox>
                            <asp:ImageButton ID="imgCalendarFrom" runat="server" Width="18" ImageUrl="~/Images/SmallCalendar.gif" />
                            <act:CalendarExtender ID="CalendarExtenderFrom" runat="server" Format="dd/MM/yyyy"
                                Enabled="true" PopupButtonID="imgCalendarFrom" TargetControlID="txtFromDate">
                            </act:CalendarExtender>
                        </td>
                        <td align="left">
                            <asp:Label ID="l3" Text="" runat="server" Width="20"></asp:Label>
                        </td>
                        <td align="left">
                            <asp:Label ID="Label2" runat="server" Text="To: " Font-Bold="true" Width="30"></asp:Label>
                        </td>
                        <td align="left">
                            <asp:TextBox ID="txtToDate" runat="server" Width="80"></asp:TextBox>
                            <asp:ImageButton ID="imgCalendarTo" runat="server" Width="18" ImageUrl="~/Images/SmallCalendar.gif" />
                            <act:CalendarExtender ID="CalendarExtenderTo" runat="server" Format="dd/MM/yyyy"
                                Enabled="true" PopupButtonID="imgCalendarTo" TargetControlID="txtToDate">
                            </act:CalendarExtender>
                        </td>
                        <td align="left">
                            <asp:Label ID="l4" Text="" runat="server" Width="20"></asp:Label>
                        </td>
                        <td align="left">
                            <asp:Button ID="btnSearchSchedules" runat="server" Text="Search" Width="60px" BorderStyle="None"
                                Height="22px" ForeColor="White" CssClass="btn" />
                        </td>
                        <td align="left">
                            <asp:Label ID="L5" Text="" runat="server" Width="20"></asp:Label>
                        </td>
                        <td valign="middle">
                            <asp:Button ID="btnUsers" runat="server" Text="Users" Width="60px" BorderStyle="None"
                                Height="22px" ForeColor="White" CssClass="btn" OnClientClick="editUsers();" />
                        </td>
                        <td align="left" valign="middle">
                            <asp:Label ID="L6" Text="" runat="server" Width="20"></asp:Label>
                        </td>
                        <td valign="bottom">
                            <asp:CheckBox ID="chkBusinessHours" runat="server" Text=" Show Business Hours Only"
                                Height="22px" BorderColor="Transparent" Font-Bold="true" ForeColor="Black" AutoPostBack="true" />
                        </td>
                        <td width="40px">
                        </td>
                    </tr>
                </table>
                <table id="adminSearchBar" runat="server">
                </table>
            </div>
        </ContentTemplate>
    </asp:UpdatePanel>
</asp:Content>
<asp:Content ID="MainContent" ContentPlaceHolderID="main_content" runat="Server">
    <asp:UpdatePanel ID="UpdatePanel1" runat="server" UpdateMode="Always">
        <ContentTemplate>
            <div id="dp">
                <DayPilot:DayPilotScheduler ID="DayPilotScheduler1" runat="server" CellGroupBy="Day"
                    DataStartField="StartDate" DataEndField="EndDate" ScrollLabelsVisible="true"
                    DataTextField="CustomerName" DataValueField="Workcard" DataResourceField="EmployeeCode"
                    CellDuration="60" CellWidth="50" ViewType="Resources" Width="100%" Heigth="100%"
                    RowMinHeight="30" RowHeaderWidth="150" HeigthSpec="Max" HeaderFontSize="10pt"
                    HeaderWidth="150px" HeaderHeight="20" EventFontSize="8pt" EventMoveHandling="CallBack"
                    TimeFormat="Clock12Hours" DurationBarVisible="false" BusinessBeginsHour="8" BusinessEndsHour="18"
                    ClientObjectName="dps" EventClickHandling="JavaScript" EventClickJavaScript="editEvent(e.value());"
                    OnCommand="DayPilotScheduler1_Command" EventCorners="Regular" RowMarginBottom="5"
                    ContextMenuID="DayPilotContextMenu" TreeIndent="15" TreeImageNoChildren="images/tree_nochildren.png"
                    TreeImageCollapse="images/tree_collapse.png" TreeImageExpand="images/tree_expand.png"
                    CssClassPrefix="scheduler_" EventBackColor="" EventFontFamily="" HourNameBackColor=""
                    HourFontFamily="" HourFontSize="" HeaderFontFamily="" HourBorderColor="" BackColor="#ececfe"
                    NonBusinessBackColor="White" CellBorderColor="Silver" OnBeforeResHeaderRender="DayPilotScheduler1_BeforeResHeaderRender"
                    AutoRefreshEnabled="true" AutoRefreshInterval="10" HeightSpec="Max" Height="630">
                </DayPilot:DayPilotScheduler>
                <DayPilot:DayPilotMenu ID="DayPilotContextMenu" runat="server" CssClassPrefix="menu_">
                    <DayPilot:MenuItem Action="Javascript" JavaScript="redirect()" Command="Details"
                        Text="View Job Creator" />
                </DayPilot:DayPilotMenu>
                <asp:UpdateProgress DynamicLayout="false" DisplayAfter="1" ID="UpdateProgress2" runat="server">
                    <ProgressTemplate>
                        <div class="Progress">
                            <img src="./images/ajax-loader.gif" />
                            Loading ...
                        </div>
                    </ProgressTemplate>
                </asp:UpdateProgress>
                <act:AlwaysVisibleControlExtender ID="AlwaysVisible" runat="server" TargetControlID="UpdateProgress2"
                    HorizontalSide="Center" VerticalSide="Middle" HorizontalOffset="0">
                </act:AlwaysVisibleControlExtender>
            </div>
        </ContentTemplate>
    </asp:UpdatePanel>
</asp:Content>

Answer 1

来自Microsoft文档：

onerror事件会触发运行时错误，但不会触发编译错误。此外，脚本调试程序引发的错误对话框不会通过返回true来抑制。要关闭脚本调试程序，请从“工具”菜单中选择“Internet选项”，以禁用Internet Explorer中的脚本调试。单击“高级”选项卡，然后选中相应的复选框。

从好的方面来看，大多数普通IE用户（或任何其他浏览器的用户）都没有启用脚本调试。

Answer 2

似乎JavaScript代码是由服务器端生成的，因为您的ASP.net代码不包含任何JavaScript代码。结果，很难说出错的地方。

即使使用代码也无法处理javascript运行时错误

2 个答案: