Loadin a CSV file into a DataGrid in Silverlight 4 Application

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Silverlight

I have tried this and I can get all the columns get loaded in datagrid but I cant see the data in rows. All the rows are shown empty. Am I doing anything wrong here..Please check out and help..

private void Button_Click(object sender, RoutedEventArgs e)
{
    try
    {
        lFnLoadFileData();
    }
    catch (Exception)
    {
        throw;
    }
}

void lFnLoadFileData()
{
    try
    {
        OpenFileDialog lObjFileDlge = new OpenFileDialog();
        lObjFileDlge.Filter = "CSV Files|*.csv";
        lObjFileDlge.FilterIndex = 1;
        lObjFileDlge.Multiselect = false;
        bool? lBlnUserclicked = lObjFileDlge.ShowDialog();
        if (lBlnUserclicked != null || lBlnUserclicked == true)
        {
            FileStream lObjFileStream = lObjFileDlge.File.OpenRead();
            StreamReader lObjStreamReader = new StreamReader(lObjFileStream);
            lFnGenerateData(lObjStreamReader);
            lObjFileStream.Close();
        }
    }
    catch (Exception)
    {
        throw;
    }
}

void lFnGenerateData(StreamReader aReader)
{
    try
    {
        bool lBlnIsColumns = true;
        string[] lArrCols = null;
        Dictionary<string, object> lObjDicData = null;
        ObservableCollection<Dictionary<string, object>> lArrDGRows = new ObservableCollection<Dictionary<string, object>>();
        dgrex.Columns.Clear();
        while (aReader.Read() != null)
        {
            string lStrLine = aReader.ReadLine();
            if (lStrLine == null)
                break;
            if (lStrLine.Trim() == "")
                continue;
            string[] lArrStrCells = null;
            lArrStrCells = lStrLine.Split(",".ToCharArray());
            if (lArrStrCells == null)
                continue;
            if (lBlnIsColumns)
            {
                lArrCols = lArrStrCells;
                foreach (string lStrCell in lArrStrCells)
                {
                    DataGridTextColumn lDGCol = new DataGridTextColumn();
                    lDGCol.Header = lStrCell;
                    lDGCol.Binding = new Binding(lStrCell);
                    dgrex.Columns.Add(lDGCol);
                }
                lBlnIsColumns = false;
                continue;
            }
            if (lArrCols == null)
                continue;
            int lIntColID = 0;
            lObjDicData = new Dictionary<string, object>();
            foreach (string lStrCell in lArrStrCells)
            {
                lObjDicData[lArrCols[lIntColID]] = lStrCell.Trim();
                lIntColID++;
            }
            lArrDGRows.Add(lObjDicData);
        }
        aReader.Close();
        dgrex.ItemsSource = lArrDGRows;
                
    }
    catch (Exception)
    {
        throw;
    }
}

Thanks
Sreenath