string myXMLfile = "xml.xml";
                    DataSet ds = new DataSet();
                    System.IO.FileStream fsReadXml = new System.IO.FileStream(myXMLfile, System.IO.FileMode.Open);
                    try
                    {
                        ds.ReadXml(fsReadXml);
                        _grid.DataSource = ds;
                        _grid.DataMember = "char";
                    }
                    finally
                    {
                        fsReadXml.Close();
                    }

<data>
  <char string="xxx" int="1" />
  <char string="yyy" int="3" />
  <char string="zzz" int="20" />
</data>