Expandable panel inside a GridView

Born and lives in São Paulo - Brasil.
Programmer since 1982, and in 'tailor' mode since 1995, I had the oportunity to work for many kinds of business.
Today I create Windows Forms applications, Web projects and Palm OS applications.
My experience :
Languages : Cobol, Fortran, Basic, Clipper, Turbo Pascal, Data Flex, C, C++, Turbo C++, Borland C++ Builder, C#, Javascript.
DBMS : Adabas, DBF, Paradox, MS Access, DB2, Oracle, MS SQL Server.
I Know and experienced a little : Natural, Prolog, Lisp, Assembly IBM/370, Assembly Z80, Assembly 8080, MS Visual Basic (5/6).