asp.net - AjaxToolkit SliderExtender generates JavaScript exceptions in IE11 -

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i'm using ajaxtoolkit:sliderextender in updatepanel so:

<asp:updatepanel id="upslideshow" runat="server">     <contenttemplate>         <asp:textbox id="txtslidebackgroundopacity" runat="server"             readonly="true"             tooltip="adjust opacity of background (0 transparent, 100 opaque)"             ontextchanged="txtslidebackgroundopacity_textchanged"             autopostback="true" />         <br />         <asp:textbox id="txtopacityslider" runat="server" />         <ajaxtoolkit:sliderextender id="seslidebackgroundopacity" runat="server"             targetcontrolid="txtopacityslider"             boundcontrolid="txtslidebackgroundopacity" />     </contenttemplate> </asp:updatepanel>

works fine in edge, firefox, , chrome, generates following exception in ie11:

0x800a139e - javascript runtime error: sys.argumentoutofrangeexception: value must integer.

from this post looked @ compatibility settings, , this post i've tried various combinations of <meta http-equiv="x-ua-compatible" content="..." /> tag...anything below ie=11 breaks other things in site , ie=11 , ie=edge both give me exception.

i created clean asp.net webforms project see if isolate problem, slider works in project, there's setting in project that's causing problem. ideas should start looking? thanks.

i have workaround. in debugger can see javascript throwing exception. so, use justin's code this post detect whether client ie...if is, following:

(function () {     // if we're running internet explorer, need fix 1 of internal routines allow sliderextender control work     var nieversion = internetexplorerversion();      if (nieversion && nieversion <= 11) {         var originalsetlocation = sys.ui.domelement.setlocation;          sys.ui.domelement.setlocation = function (element, x, y) {             originalsetlocation(element, math.floor(x), math.floor(y));         }     } }());

it still know why i'm getting exception in production code not in clean project, @ least i'm working.


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