Time format conversion + fixed fields plus spaces

1. If the string is 20140202, make the DateTimePicker value equal to this:

Assign value
Try
{
int sj = Int. Parse (CLSJ. Substring (0, 8));
int year = sj/10000;
Int month = (sj% 10000)/100;
int day = (sj% 10000)% 100;
Dtp_rdrq. Value = new DateTime (year, month, day);//was filed date DTP_RDRQ is DateTimePicker
}
Catch
{

}

The value of 2.datetimepicker is converted to 20140202

Dtp_rdrq. Value.tostring ("YYYYMMDD")

3.textbox Content Fill Space

Txt_yddxdm. Text.trim (). PadRight (3, ") fixed 3 lengths, if not enough, fill the blanks on the right

Txt_yddxdm. Text.trim (). PadLeft (3, ") fixed 3 lengths, if not enough, fill the left blank

Time format conversion + fixed fields plus spaces