void WriteInfo(object serder, EventArgs e)
{ string strtemp1,strtemp2;
int i,tmp;
char[] mychar;
strtemp1 = content.Text +"<br>";

mychar=strtemp1.ToCharArray();
strtemp2 = "";
for (i = 0; i < strtemp1.Length; i++)
{
tmp = Convert.ToInt32(mychar[i]) + 4;
mychar[i] = Convert.ToChar(tmp);
strtemp2 += mychar[i];
}
labContent1.Text+= "加密前:" + strtemp1 + "<br>";

labContent1.Text += "加密后:" + "<font color=red>"+ strtemp2+ "</font>"+ "<br/><br/>";
}


以上是我在ASP.NET中用到的C#代码,我想让用户输入一个字符串,然后把指每个字符加4后将得到的字符再输入,,可是最后总是多跟着@fvB 无语了啊,小弟实在不知哪里错了,,请各位帮我看看,或者帮我帮写一下代码,感激涕零!!!!!