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private Random rnd = null;
public static string MakePassword(string pwdchars, int pwdlen)
{
string tmpstr = "";
int iRandNum;
for (int i = 0; i < pwdlen; i++)
{
iRandNum = rnd.Next(pwdchars.Length);
tmpstr += pwdchars[iRandNum];
}
return tmpstr;
}
protected void Button1_Click(object sender, EventArgs e)
{
rnd = new Random();
string randomchars = "0123456789";
string[] passwords = new string[1000];
for (int i=0; i<1000; i++)
{
passwords[i] = MakePassword(randomchars, 4);
}
}