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BOOK: Beginning ASP.NET 4 : in C# and VB
 | This is the forum to discuss the Wrox book Beginning ASP.NET 4: in C# and VB by Imar Spaanjaars; ISBN: 9780470502211 |
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August 19th, 2010, 08:43 PM
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Page 354 Chapter 10
He guys i have been busy with work and family life, hopefully back now untill i finish this book.
am having a problem in calling a web service from a client side code.
I am typing the exact code as in the book which is as follows:
<%@ Page Title="Web Services Demo" Language="C#" MasterPageFile="~/MasterPages/Frontend.master" AutoEventWireup="true" CodeFile="WebServices.aspx.cs" Inherits="Demos_WebServices" %>
<asp:Content ID="Content1" ContentPlaceHolderID="head" Runat="Server">
</asp:Content>
<asp:Content ID="Content2" ContentPlaceHolderID="cpMainContent" Runat="Server">
<asp:ScriptManagerProxy ID="ScriptManagerProxy1" runat="server">
<Services>
<asp:ServiceReference Path="~/Demos/WebServices/NameService.asmx" />
</Services>
</asp:ScriptManagerProxy>
<input id="YourName" type="text" />
<input id="SayHello" type="button" value="Say Hello" />
<script type="text/javascript">
function HelloWorld()
{
var yourName = $get('YourName').value;
NameService.HelloWorld(yourName, HelloWorldCallback);
}
funciton HelloWorldCallback(result)
{
alert(result);
}
$addHandler($get('SayHello'), 'click', HelloWorld);
</script>
</asp:Content>
Things are working fine and browser comes with a services where it allows me to enter text(my name) but when i click Say Hello button nothing happens.
Left bottom cornor of the beowser says Done but with errors on page when i click the Say Hello button.
Any help is appriciated.
Tariq
Last edited by tariq; August 19th, 2010 at 08:54 PM..
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August 19th, 2010, 10:47 PM
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Join Date: Jul 2010
Posts: 81
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Hi Tariq,
I'm the night staff while Imar is catching 40 winks, (just kidding). I'm only in ch. 8 presently, but I have played with Web Services in vb and C# for a prescription database, so your question had my interest. I think I see your problem.
Quote:
funciton HelloWorldCallback(result)
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I think just a syntax error 'function' misspelled.;-)
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August 20th, 2010, 02:05 AM
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Wrox Author
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Join Date: Jun 2003
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Quote:
I'm the night staff while Imar is catching 40 winks,
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Tariq: did that fix it?
Cheers,
Imar
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August 20th, 2010, 10:11 AM
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Thanks for quick reply
I got it fixed accidentally Imar by changing the webservices path but not clear why it fixed the problem.
I changed the following line:
<asp:ServiceReference Path="~/Demos/WebServices/NameService.asmx" />
TO
<asp:ServiceReference Path="~/WebServices/NameService.asmx" />
Just removed the /Demos.
My concept is not clear can you please explain, i know that it has something to do with the nameservice path.
and thanks for the ractification btcomp
Tariq
Last edited by tariq; August 20th, 2010 at 10:25 AM..
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August 20th, 2010, 10:33 AM
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Wrox Author
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Join Date: Jun 2003
Posts: 17,089
Thanks: 80
Thanked 1,576 Times in 1,552 Posts
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The service is located in the WebServices folder, which in turn is located in the root, not in the Demos folder. Your code tries to find a service file under the demos folder, which fails because it doesn't exist there.
Hope this helps,
Imar
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The Following User Says Thank You to Imar For This Useful Post:
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tariq (August 21st, 2010)
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