Incorrect Syntax Near 'Number'

SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString);
                con.Open();
                string all = "select [Board_Name] AS Board, [Platform], [Location], [Status], [CheckOutDate] AS Date, [AssignTo] AS Assigned from Board";
                SqlCommand cmd2 = new SqlCommand(all, con);
                SqlDataReader result2 = cmd2.ExecuteReader();
                GridView1.DataSource = result2;
                GridView1.DataBind();
                result2.Close();
                con1.Close();