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C# code:
key=name;//ÊäÈëµÄ×Ö·û
key+=Number;//Ëæ»úÊý
SqlConnection con = new SqlConnection("server=.;uid=sa;pwd=1234;database=test;");
con.Open();
SqlCommand cmd = new SqlCommand("insert into test(name) values('" + UserMd5(key)+)", con);
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Random rom = new Random();
List <int> l = new List <int>();
while (l.Count != 6)
{
int i = rom.Next(0, 9);
if (!l.Contains(i))
l.Add(i);
}
string Number = "";
foreach (int t in l)
{
Number += t.ToString();
 
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