Hi Attila, we have followed your implementation suggestion and are getting thw following error.
XmlHttpPanel loading error:
Exception=Not Found
Here is our code. I hope you are able to help.
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1 - aspx page
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<%@ Page Language="vb" AutoEventWireup="false" CodeBehind="WebForm1.aspx.vb" Inherits="Revolution.WebForm1" %>
<%@ Register Src="~/Dev/Consultants/Dashboard/Widgets/Other/Chart1.ascx" TagPrefix="uc1" TagName="Chart1" %>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<telerik:RadScriptManager ID="RadScriptManager1" runat="server">
<Scripts>
<asp:ScriptReference Assembly="Telerik.Web.UI" Name="Telerik.Web.UI.Common.Core.js" />
<asp:ScriptReference Assembly="Telerik.Web.UI" Name="Telerik.Web.UI.Common.jQuery.js" />
<asp:ScriptReference Assembly="Telerik.Web.UI" Name="Telerik.Web.UI.Common.jQueryInclude.js" />
</Scripts>
</telerik:RadScriptManager>
<telerik:RadAjaxManager ID="RadAjaxManager1" runat="server">
</telerik:RadAjaxManager>
<uc1:Chart1 runat="server" ID="Chart1" />
</form>
</body>
</html>
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2 - code behind
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[14/05/2019 11:29] Chaithanya Choodalingaiah:
No Title
<%@ Control Language="vb" AutoEventWireup="false" CodeBehind="Chart1.ascx.vb" Inherits="Revolution.Chart1" %>
<div id="content">
<script type="text/javascript" async="async">
function f() {
$find("<%=XmlHttpPanelWCF1.ClientID %>").set_value();
Sys.Application.remove_load(f);
}
Sys.Application.add_load(f);
function setDataFromService1(sender, args) {
//Get the returned data
var newData = args.get_content();
var arr = Array.parse(newData.d);
var chart = $find('<%= RadHtmlChart1.ClientID %>');
//Set the new datasource to the RadHtmlChart
chart.set_dataSource(arr);
//Repaint the RadHtmlChart
chart.repaint();
//Avoid raising the OnClientResponseEnded client-side event
//avoid setting the received data as content for the RadXmlHttpPanel
args.set_cancel(true);
}
</script>
<telerik:RadXmlHttpPanel runat="server" ID="XmlHttpPanelWCF1" WcfRequestMethod="GET"
OnClientResponseEnding="setDataFromService1" WcfServicePath="WidgetsWCFService.svc"
WcfServiceMethod="getJsonData" RegisterWithScriptManager="false">
</telerik:RadXmlHttpPanel>
<telerik:RadHtmlChart ID="RadHtmlChart1" runat="server">
<ChartTitle Text="Countries Exporting Crude Oil the United States (in Thousands of Barrels)">
</ChartTitle>
<PlotArea>
<Series>
<telerik:PieSeries DataFieldY="Barrels" ColorField="Color" ExplodeField="IsExploded"
NameField="Country">
<LabelsAppearance DataFormatString="{0:N0} bbl"></LabelsAppearance>
<TooltipsAppearance Color="White" />
</telerik:PieSeries>
</Series>
</PlotArea>
</telerik:RadHtmlChart>
</div>
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3 - wcf service implementation
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[14/05/2019 11:30] Chaithanya Choodalingaiah:
No Title
Imports System
Imports System.Collections.Generic
Imports System.Linq
Imports System.Runtime.Serialization
Imports System.ServiceModel
Imports System.ServiceModel.Activation
Imports System.ServiceModel.Web
Imports System.Web.Script.Serialization
Imports Revolution
<AspNetCompatibilityRequirements(RequirementsMode:=AspNetCompatibilityRequirementsMode.Allowed)>
Public Class WidgetsWCFService
Implements IWidgetsWCFService
Private Function getJsonData() As String Implements IWidgetsWCFService.getJsonData
Dim dataSourceJson As List(Of HtmlChartFields) = New List(Of HtmlChartFields)()
dataSourceJson.Add(New HtmlChartFields With {
.Color = "Black",
.Barrels = 36808,
.IsExploded = True,
.Country = "Nigeria"
})
dataSourceJson.Add(New HtmlChartFields With {
.Color = "Gray",
.Barrels = 16731,
.IsExploded = False,
.Country = "Iraq"
})
dataSourceJson.Add(New HtmlChartFields With {
.Color = "DarkGray",
.Barrels = 19659,
.IsExploded = False,
.Country = "Algeria"
})
dataSourceJson.Add(New HtmlChartFields With {
.Color = "LightGray",
.Barrels = 17986,
.IsExploded = False,
.Country = "Angola"
})
dataSourceJson.Add(New HtmlChartFields With {
.Color = "DarkRed",
.Barrels = 12130,
.IsExploded = False,
.Country = "Russia"
})
Dim oSerializer As JavaScriptSerializer = New JavaScriptSerializer()
Dim sJSON As String = oSerializer.Serialize(dataSourceJson)
Return sJSON
End Function
<DataContract>
Public Class HtmlChartFields
<DataMember>
Public Property Color As String
<DataMember>
Public Property Barrels As Integer
<DataMember>
Public Property IsExploded As Boolean
<DataMember>
Public Property Country As String
End Class
End Class
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4 - web.config settings for wcf service
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[14/05/2019 11:31] Chaithanya Choodalingaiah:
No Title
<system.serviceModel>
<behaviors>
<endpointBehaviors>
<behavior name="WidgetsWCFBehavior">
<webHttp />
</behavior>
</endpointBehaviors>
<serviceBehaviors>
<behavior name="">
<serviceMetadata httpGetEnabled="true" httpsGetEnabled="true" />
<serviceDebug includeExceptionDetailInFaults="false" />
</behavior>
<behavior name="WidgetsWCFBehavior">
<serviceMetadata httpGetEnabled="true" />
<serviceDebug includeExceptionDetailInFaults="true" />
</behavior>
</serviceBehaviors>
</behaviors>
<services>
<service behaviorConfiguration="WidgetsWCFBehavior" name="WidgetsWCFService">
<endpoint address="" binding="webHttpBinding" contract="IWidgetsWCFService"
behaviorConfiguration="WidgetsWCFBehavior"/>
</service>
</services>
</system.serviceModel>