如何在C#中修改字符串？

Insert 方法在实例中的指定索引位置插入指定的字符串。

C#字符串Insert 方法示例

以下代码在字符串末尾插入字符串。

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

namespace ConsoleApplication4

{

   class Program

   {

       static void Main(string[] args)

       {

           string sentence = "Onitroad.com is a good ";

           Console.WriteLine("Oroirnal String: {0}", sentence);

           string insertString = " and useful website for beginner";

           sentence = sentence.Insert(sentence.Length, insertString);

           Console.WriteLine("Final String");

           Console.WriteLine(sentence);

           Console.ReadLine();

       }

   }

}