WCF / ASMX :: How To Display Only Part Of A Page Using The REST Web Service

Oct 1, 2010

My code below

BtnClick
YahooSample();
public void YahooSample()
{
HttpWebRequest request = WebRequest.Create("http://developer.yahoo.com/yui/") as HttpWebRequest;

[Code]....

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[Code]....

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[code]...

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[Code]....

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What is wrong with my code?

using System;
using System.Collections.Generic;
using System.Text;
using System.Web;
using System.IO;
using System.Net;
using System.Xml;

namespace ConsoleApplication3
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Xml = reader.ReadToEnd();
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Console.ReadLine();
string _currentField = "";
StringReader _sr = new StringReader(Xml);
XmlTextReader _xtr = new XmlTextReader(_sr);
_xtr.XmlResolver = null;
_xtr.WhitespaceHandling = WhitespaceHandling.None;
// get the root node
_xtr.Read();
if ((_xtr.NodeType == XmlNodeType.Element) && (_xtr.Name == "Response"))
{
while (_xtr.Read())
{
if ((_xtr.NodeType == XmlNodeType.Element) && (!_xtr.IsEmptyElement))
{
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_xtr.Read();
if (_xtr.NodeType == XmlNodeType.Text)
{
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{
case "Status":
Console.WriteLine(_xtr.Value); //we print to console for testing purposes, normally assign it to a variable here!
break;
case "CountryCode":
Console.WriteLine(_xtr.Value);
break;
case "CountryName":
Console.WriteLine(_xtr.Value);
break;
case "RegionCode":
Console.WriteLine(_xtr.Value);
break;
case "RegionName":
Console.WriteLine(_xtr.Value);
break;
case "City":
Console.WriteLine(_xtr.Value);
break;
case "ZipPostalCode":
Console.WriteLine(_xtr.Value);
break;
case "Latitude":
Console.WriteLine(_xtr.Value);
break;
case "Longitude":
Console.WriteLine(_xtr.Value);
break;
case "Gmtoffset":
Console.WriteLine(_xtr.Value);
break;
case "Dstoffset":
Console.WriteLine(_xtr.Value);
break;
case "TimezoneName":
Console.WriteLine(_xtr.Value);
break;
case "Isdst":
Console.WriteLine(_xtr.Value);
break;
case "Ip":
Console.WriteLine(_xtr.Value);
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default:
// unknown field
throw new Exception("Unknown field in response.");
}
}
}
}
}
Console.ReadLine();
}
}
}
EDIT: this is the XML response returned
<?xml version="1.0" encoding="UTF-8" ?>
- <Response>
<Status>OK</Status>
<CountryCode>US</CountryCode>
<CountryName>United States</CountryName>
<RegionCode>06</RegionCode>
<RegionName>California</RegionName>
<City>Mountain View</City>
<ZipPostalCode>94043</ZipPostalCode>
<Latitude>37.4192</Latitude>
<Longitude>-122.057</Longitude>
<Gmtoffset>-28800</Gmtoffset>
<Dstoffset>0</Dstoffset>
<TimezoneName>America/Los_Angeles</TimezoneName>
<Isdst>0</Isdst>
<Ip>74.125.45.100</Ip>
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[Code]....

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[code]....

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As an alternative solution, I have my REST service return a GUID, and then that GUID can be used by the Android client to go to a regular URL that serves up the image as a regular binary stream, via an MVC controller.

This works well, and it fast, and is pretty easy to handle on the Android side. However, it does feel like a bit of kludge and kind of a violation of the REST design principles. Am I missing something here? Is there a better way to do this?

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<?xml version="1.0" encoding="UTF-8"standalone="yes" ?>
<Response Status="OK">
<Item Name="NumberZones">2</Item>

[code]...

The returned datatable is empty, I have confirmed that result does have the XML assigned, and result.value is the string version of the XML file (200Westralia0{81C56183-31DA-45C2-90C3-81609F01B38B}Lounge10001{eac0109e-0090-a992-7fba-dc67fe29e6e7})Is anyone able to provide assistance in how I can read from the REST XML example above the name (ZoneName%) and the attribute value (Westralia and Lounge)?

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I was told to build a rest web service using asp.net so does the code below represent the same

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Services;

[Code] ......

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