How to parse an ArrayOfXElement in Windows Phone?

Question

I'm trying to connect to an ASMX web service and the code generated in a Windows Phone Project is different than in Windows Forms. In Windows Forms, the methods of this web service returns a DataSet, so I go through all rows in the existing tables of this object:

MyObject myObject = new MyObject();
DataSet dataSet = soapClient.SomeMethod();
foreach (DataTable table in dataSet.Tables)
{
    foreach (DataRow row in table.Rows)
    {
        myObject.SomeProperty = row["SomeProperty"];
        myObject.SomeOtherProperty = row["SomeOtherProperty"];
    }
}

But in Windows Phone it generates an async version of this method which I subscribe to an event that fires when the request is completed. And the event args brings me a ArrayOfXElement, which seems to be a Windows Phone version of the DataSet object. So how do I parse this?

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score 0 · Accepted Answer · answered Jun 27 '14 at 14:39

Alright, I managed to get this working. This web service method always return two XElements, which the first one is just a header, declaring what's coming next. So I ignore the first XElement, and inside the NewDataSet element there's a Table element, which has the content I want.

bool first = true;
foreach (XElement xEl in e.Result.Nodes)
{
    if (first)
    { 
        // Ignore the first XElement
        first = false; continue;
    }

    var dataSetElement = xEl.Element("NewDataSet");
    var tableElement = dataSetElement.Element("Table");

    // And here's the useful data
    tableElement.Element("Property1").Value;
    tableElement.Element("Property2").Value;
}

Notice that this only gets the first table row. If there's more than one table row, you'll find the others rows with the msdata:rowOrder attribute.

How to parse an ArrayOfXElement in Windows Phone?

1 Answers1