判断用户和密码

Console.WriteLine("请输入用户名和密码");
string one = Console.ReadLine(); //获取了当前的数据
string two = Convert.ToString(one);
int  cons=two.IndexOf(" ");
if (cons > 0)
{
string var1 = two.Substring(0, cons);
string var2 = two.Substring(cons, two.Length - cons - 1);

if (var1.ToUpper() == "ADMIN" && var2.ToUpper() == "MYPASS")
{
Console.WriteLine("登陆成功");
}
else
{
Console.WriteLine("登录失败");
}

}
else
{
Console.WriteLine("必须输入两个字符串，且以空格隔开");
Console.WriteLine("按任意键退出");
}
Console.ReadKey();