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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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