problem with dataGridViewand XML

data not displayed in dataGridView but when i replace dataGridView by dataGrid it work ...why?

Code:

---

SqlConnection sqlCon = new SqlConnection();
            SqlCommand sqlCmd = new SqlCommand();

            sqlCon.ConnectionString=@"Data Source=.\SQLEXPRESS;AttachDbFilename=C:\Documents and Settings\Administrator\My Documents\ContactsDataBase.mdf;Integrated Security=True;Connect Timeout=30;User Instance=True";
            sqlCmd.CommandText = "SELECT CustomerID,CustomerName FROM Customers FOR xml auto";
            sqlCmd.Connection = sqlCon;
            try
            {
                sqlCon.Open();
                XmlReader xmlReader = sqlCmd.ExecuteXmlReader();
                DataSet ds = new DataSet();
                ds.ReadXml(xmlReader, XmlReadMode.InferSchema);
                dataGridView1.DataSource = ds;
 
            }
            catch (SqlException)
            {
                MessageBox.Show("Error Occur");
            }
            finally
            {
                sqlCon.Close();
            }.

---

Do you want to Display this in a Gridview(ASP.NET) or Win App?

if you want to Display this in the ASP.NET or Win App you do the Gridview you need to Supply a Datamember "Name of the Datatable". And if this is a Web App you need to call the DataBind method to Bind the Grid to the Page