.net webservice+flex sample project

hi i am tilak my idea for this c# corner is is it possible to develop a database project using c#,webservice,adobe flex 3 i have seen article in some other site they have given only displaying a message,or manually created data from webservice and displaying it in flex 2 or 3 i wanted a databse project means say i have a table Student(Rollno,Name,Addr) now i want to create a webservice for inserting and deleting in C# and call this webservice in flex application create a GUI in flex and call data from student table using webservice and also enter values in flex to save and get values from flex and pass it to webservice and save it to database If it is possible please send me full working copy of code thanks in advance