Merge pull request #1 from AndyYou/master

Add Layout sechma and Backuper class
Merge pull request #2 from AndyYou/master

All UI controls binding to class field
Merge pull request #3 from AndyYou/master

Modify Connection add Validate method
Merge pull request #4 from AndyYou/master

add commit run validate
Merge pull request #5 from AndyYou/master

Accomplish wzdPage2 Database binding
Merge pull request #6 from AndyYou/master

fixed back to prev will error
Fix validation issue
Merge pull request #7 from AndyYou/master

add IsEnable to CheckedItemList class
Merge branch 'master' of github.com:CalvertYang/NDBackuper
Add necessary table and can't uncheck
Merge pull request #1 from CalvertYang/master

Add necessary table and can't uncheck