query to find minimum node value in xml

hi,

assign value in xml string variable @runtime in below code.

try...
DataSet ds = new DataSet();
string xml = @"http://schemas.xmlsoap.org/soap/envelope/"">
                   
                   
                        http://www.w3.org/2001/XMLSchema-instance"">
                       
                            AF
                            Frankfurt
                            02:53 PM
                            Denver
                            02:09 PM
                            13628
                            124.8
                       
                       
                            LH
                            Frankfurt
                            11:17 AM
                            Denver
                            10:33 AM
                            13634
                            123.2
                       
                       
                            BA
                            Frankfurt
                            08:53 AM
                            Denver
                            08:09 AM
                            14021
                            109.2
                       

                       
                   
                   
                ";
ds.ReadXml(new XmlTextReader(new StringReader(xml)));
//ds.ReadXml(@"E:\test\testProject\testProject\testProject\XMLFile1.xml");

var price = (from d in ds.Tables["Flight"].AsEnumerable()
                select d["Price"]).Min();

var flightNo = (from d in ds.Tables["Flight"].AsEnumerable()
                where d["Price"] == price
                select d["FlightNumber"]);

hope this will help you.