用Equals比较字符串的比较 相等为true,不相等为false

  protected void Page_Load(object sender, EventArgs e)
    {
        //用Equals比较字符串的比较 相等为true,不相等为false
        string str = "abc";
        string str1 = "abC";
        string str2 = "abc";
        bool st = str.Equals(str1);
        bool st1 = str.Equals(str2);
        Response.Write(st);  //false
         Response.Write(st1);  //true
    }