Space added in autoGenerated column header problem in Radgrid

protected void RadGrid1_ColumnCreated(object sender, GridColumnCreatedEventArgs e)
{
        if (!string.IsNullOrEmpty(e.Column.UniqueName) && !string.IsNullOrEmpty(e.Column.HeaderText))
            e.Column.HeaderText = e.Column.UniqueName;
        //OR
        e.Column.HeaderText = e.Column.HeaderText.Replace(" ", "");
}