我怎么能在任何数字前面得到0？

Question

如果它是单个数字,我想在数字前加0.例如它应该是01,02,03 ... 09,10,11,......

Answer 1

Dim yourNumber as Int32 = 5
yourNumber.ToString("D2") '= "05"

Answer 2

试试这个:

myNum.ToString().PadLeft(2, "0");