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Topic: How to call a WCF Service using AJAX ScriptManager from ASP.NET

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User: dhiraj5079 Post Date: 13 May 2011 08:50

Introduction:
How to call a WCF Service using AJAX ScriptManager from ASP.NET



Main Content:
We can call WCF Webservice using AJAX script manager as below



Add the below code in the .aspx page.

<div> <input id="TextCode1" name="output" value="Code1" type="text" /> <input id="TextCode2" name="output" value="Code2" type="text" /> </div> <div> <script language="javascript" type="text/javascript"> var Code1 = document.getElementById('TextCode1').value; var Code2 = document.getElementById('TextCode2').value; function GetValueFromServer() { WCFAjaxTestService.HelloWorld(Code1, Code2, onSuccess, onFailure); } function onSuccess(result) { document.getElementById('txtValueContainer').value = result; } function onFailure(result) { window.alert(result); } </script> <asp:ScriptManager ID="ScriptManager2" runat="server"> <Services> <asp:ServiceReference Path="~/WCFAjaxTestService.svc" /> </Services> </asp:ScriptManager> <input id="btnServiceCaller" type="button" value="Get Value" onclick="GetValueFromServer()"; /> <input id="txtValueContainer" type="text" value="" /> </div>


Conclusion:
Thus when you will btnServiceCaller the result will be displayed in the text box.



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