how to generate xml file and set its value from db

how to creat xml file in asp.net

and 
how to set its value from db

for example

http://schemas.xmlsoap.org/soap/envelope/" xmlns:anb="http://www.anb.com.sa/">

  

  

     

        

            BKF2404200140000001

            BKF

            22000000

            ConsLoan

           432123

           

               XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX                                               ---  Encypted password

               1

           

            XXXXX                                                                                                       --- LDAP UserID

            2012-01-01T10:31:22 

         

        

            BKF

            10.96.34.135

            Y

            ENQUIRY

            A_SC

           

               111

               FTSANBB

               49

               5

           

            

              

                 

       

     

  

i need to genearate it into xml file .how can i ???

and 

set its value like user id and pwd from DB ( etc ) ... how to do it as well??

thanks