Export ToExcelML and forbidden XML characters

[Jacques]

I use the export facility to produce XML Excel file.
It happens that some of my data is text containing the & or < characters.
These characters are output in the exported content.
This makes an invalid XML content because these characters are XML key syntax markers that must be be escaped in the XML (& and <).
Is there a way to produce valid XML even when the & and < characters are encountered?

[Jacques]

I found a solution in a previous forum message.
The ElementExporting event will call :

private void myRadGridView_ElementExporting(object sender, Telerik.Windows.Controls.GridViewElementExportingEventArgs e)
{
    if (e.Value != null && e.Value.GetType() == typeof(string))
    {
        e.Value = (e.Value as string).Replace("&", "&");
        e.Value = (e.Value as string).Replace("<", "&lt;");
    }
}