How to check validations for login and logout on silverlight .net programm

Question

i am preparing application for my mobile..

SILEVRLIGHT WPF...mobile appilccation

i want to do validations for my page:

mandatory fileld: mobilenumber
loginid: userid
password..

can some one teach me how to do valiations for these before login into these page...

i want to write the validatiosn for my applications.....i am new to this programming...i am leraning slowly programming language..

some one helpme to do this validations check....

i am using mysql database....

thanking you.....

with regards,
Sree

Srikanth · Answer

hi dude need some sample code  so that i can write my own code by seeing... i am new to this programming....ver new...so i cant understand the information and i cant write the code directly as i am new to this programming ..if ther is some sample code it will be helpful for me to learn and write the code... thanks in advance

krishna prasad · Answer

Hai.... On the login button click event ....Get all the login details value stored in the database as a datatable in .net and use dt.select with the inputted login uid and pwd and if value exists then login succesfull or failed... Just an idea.... With Regards P.Krishna Prasad