quoteview: change postion and size of controls
DbConnection And DbCommand: using share_ptr.
class DbCommand:test bind
DbCommand：Bind and ExcuteNonQuery
using enable_if with int and float.
bind all sqlite3 type now.
Db.H: Add some commet
test: change file name
get command from connection
only use blob with static mode.
DbCommand:Excute that return rows.
Fix Bug:cant't create database under chinese named fold.
DbCommand:get all columns by excute.
get stock list when start.
if id changed,we'll update id.
DbCommand:bind ok,with a bug for read by row.
fix bug for read rows:excute cmd,don't need reset stmt.now there's another bug:char and wchar_t read error.
fix bug:char[] and wchar[] now read ok.
test:convert gb2312 to unicode
chinese using char[] could store in sqlite and fetch it.