Converting String[] to Expando for binding DataGrid in WPF

I am wor开发者_如何学Pythonking on a system that parses files and imports them into a WPF DataGrid. The files are split into a collection string[] and passed back to me to display in the UI.

What is the easiest way to convert this collection of string[] into something that can be bound to a WPF (.NET4) DataGrid?

Aside: I'd like to use Expando .....

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Unfortunately dynamic objects like Expando do not work yet with WPF4 in my testing. However, there are other tried and true methods that are available.

For a collection of String[], you can use a DataTable to give you dynamic columns:

var rawData = new string[][]
{
    new string[] { "R1F1", "R1F2", },
    new string[] { "R2F1", "R2F2", },
};
var fieldNames = Enumerable.Range(1, rawData[0].Length).Select(field => "Field" + field);
var table = new DataTable();
table.Columns.AddRange(fieldNames.Select(fieldName => new DataColumn(fieldName)).ToArray());
foreach (var record in rawData)
{
    DataRow row = table.NewRow();
    for (int i = 0; i < record.Length; i++)
    {
        row[i] = record[i];
    }
    table.Rows.Add(row);
}
DataContext = table;

together with XAML like this:

<Grid>
    <DataGrid ItemsSource="{Binding}"/>
</Grid>

results in: