C# MultiHandleSliderExtender:错误-只能将ScriptManager的一个实例添加到页面中
我想开发一个可以从两侧调整的多处理器滑块。我的剧本是C# MultiHandleSliderExtender:错误-只能将ScriptManager的一个实例添加到页面中,c#,asp.net,asp.net-ajax,C#,Asp.net,Asp.net Ajax,我想开发一个可以从两侧调整的多处理器滑块。我的剧本是 <%@ Page Title="Home Page" Language="C#" MasterPageFile="~/Site.Master" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="WebApplication4._Default" %> <%@ Register Assembly="AjaxControlToolkit" Namespac
<%@ Page Title="Home Page" Language="C#" MasterPageFile="~/Site.Master" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="WebApplication4._Default" %>
<%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="cc1" %>
<asp:Content ID="BodyContent" ContentPlaceHolderID="MainContent" runat="server">
<asp:ScriptManager runat="server" ID="ScriptManager1" EnablePartialRendering="true"/>
<table>
<tr>
<td colspan="2">
<asp:UpdatePanel runat="server" ID="UpdatePanel" UpdateMode="Conditional">
<ContentTemplate>
<table>
<tr>
<td colspan="2">
<asp:TextBox runat="server" Id="txtSlider"></asp:TextBox>
<cc1:MultiHandleSliderExtender runat="server" ID="MultiHandleSliderExtender1"
ShowHandleDragStyle="false" BehaviorID="MultiHandleSliderExtender1"
TargetControlID="txtSlider" Length="200" ShowInnerRail="true"
EnableMouseWheel="false" OnClientDrag="Drag" Increment="1"
RaiseChangeOnlyOnMouseUp="true" EnableRailClick="false" OnClientDragEnd="DragEnd"
ShowHandleHoverStyle="true" Maximum="200" Minimum="1">
<MultiHandleSliderTargets>
<cc1:MultiHandleSliderTarget ControlID="rangeStart" />
<cc1:MultiHandleSliderTarget ControlID="rangeEnd" />
</MultiHandleSliderTargets>
</cc1:MultiHandleSliderExtender>
</br>
</td>
</tr>
<tr>
<td>
<asp:Label ID="lblStartRange" runat="server" Text=""></asp:Label>
</td>
<td>
<asp:Label ID="lblEndRange" runat="server" Text=""></asp:Label>
</td>
</tr>
<tr>
<td>
<asp:HiddenField ID="rangeStart" runat="server" />
</td>
<td>
<asp:HiddenField ID="rangeEnd" runat="server" />
</td>
</tr>
<tr>
<td colspan="2">
</td>
</tr>
</table>
</ContentTemplate>
</asp:UpdatePanel>
</td>
</tr>
</table>
<script type="text/javascript">
var isDragging = false;
function Drag(sender, args) {
GetSliderRange($get("<%= rangeStart.ClientID %>").value, $get("<%= rangeEnd.ClientID%>").value);
}
function DragEnd(sender, args) {
<%-- //prevent postback on slider click
if ($get("<%= hdfTrackRangeStart.ClientID %>").value !== $get("<%= rangeStart.ClientID %>").value) {
$get("<%= btnLoadChart.ClientID %>").click();
//__doPostBack("<%= btnLoadChart.ClientID %>", "");
}
if ($get("<%= hdfTrackRangeEnd.ClientID %>").value !== $get("<%= rangeEnd.ClientID %>").value && $get("<%= hdfTrackRangeEnd.ClientID %>").value !== '0') {
$get("<%= btnLoadChart.ClientID %>").click();
//__doPostBack("<%= btnLoadChart.ClientID %>", "");
}--%>
}
function GetSliderRange(startV, endV) {
$get("<%= lblStartRange.ClientID %>").innerHTML = GetSliderText(arrRange[startV - 1], 's');
$get("<%= lblEndRange.ClientID %>").innerHTML = GetSliderText(arrRange[endV - 1], 'e');
// alert(arrRange[startV - 1]);
// PageMethods.SliderRange(startV, endV, this.callback);
}
function GetSliderText(r, p) {
var arrResult = r.split("--");
var strText = '';
if (p === 's') {
strText = "<b>From</b> Year: " + arrResult[0] + " Month: " + arrResult[1];
}
else {
strText = "<b>To</b> Year: " + arrResult[0] + " Month: " + arrResult[1];
}
return strText;
}
</script>
</asp:Content>
提前谢谢。请帮助我找出错误。中的错误是因为您在一个从母版继承的页面中工作,并且声明了两个ScriptManager 当然,您在
Site.Master中有和ScriptManager,并且您还在该页面(Default.aspx)中添加了一个ScriptManager
删除子页面中的scriptManager,因为此页面将使用Site.master的
删除:
<asp:ScriptManager runat="server" ID="ScriptManager1" EnablePartialRendering="true"/>
<asp:ScriptManager runat="server" ID="ScriptManager1" EnablePartialRendering="true"/>