C# 數字轉字串補0 & 字串補0
C# 數字轉字串補0 & 字串補0
01.數字轉字串補0:
this.f1_textBox2.Text = String.Format("{0:0000000000000000}",(Convert.ToInt16(this.f1_textBox2.Text) + 1));
02.字串補0:
string str = "9"; str.PadLeft(4, '0');//-->0009 str.PadRight(4, '0');//-->9000
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C# 字串(子字串/字串切割/分割/切斷/切段/分段)
數字轉字串 字串補0 範例
using System;
public class Program
{
public static void Main()
{
string Period="11404";
Console.WriteLine($"{Period.Substring(0,3)}年{Period.Substring(3,2)}-{(Int32.Parse(Period.Substring(3,2))+1).ToString().PadLeft(2, '0')}月");
}
}