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private void Form1_Load(object sender, EventArgs e)
        {
            OleDbConnection conn = new OleDbConnection("provider=Microsoft.Jet.OLEDB.4.0;Data          Source=OrderSystem.mdb;Jet OLEDB:Database Password =123");
            OleDbCommand com = new OleDbCommand("select Password form Load_User where UserName='admin'", conn);
            conn.Open();
            OleDbDataReader sde = com.ExecuteReader();
        }   

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OleDbCommand com = new OleDbCommand("select PasswordformLoad_User where UserName='admin'", conn);

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