字串與數字轉換，currency and string

1.字串型態的數字轉為整數，currency string to int
ex:
string sNN = 100,200,300
int iNN = int.Parse(Regex.Replace(sNN, @",", "")); (iNN=100200300)

2.從sql 取出來的數字(Numeric)轉為有千分位的字串