>Please help , where i can find about visual foxpro tutorial for beginner
>or someone could give me used book's ,cause i'm a poor man

For starters, you can read the chm help file that comes with VFP, or MSDN online.

http://msdn.microsoft.com/library/default.asp?url=/nhp/default.asp?contentid=28000961&frame=true

Of course, the fox Wiki:
http://fox.wikis.com/wc.dll?wiki~ListCategories

especially the following Categories:
CategoryLearningVFP
CategoryVFPCommands
CategoryVFPControlProperties
CategoryVFPControls
CategoryVFPDebugger
CategoryVFPEvents
CategoryVFPFunctions
CategoryVFPIDE
CategoryVFPLanguage-KeyWords
CategoryVFPMagazines
CategoryVFPMethods
CategoryVFPProperties
CategoryVFPReports
CategoryVFPTipsAndTricks
CategoryOOPrinciples
CategoryVFPWebsites
CategoryBooks-VFP

For OOP info: http://fox.wikis.com/wc.dll?Wiki~CategoryOOPrinciples

There is a lot of free information here at the UT. Just ask when you have concrete questions.