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public class OleConn
  {
  private static OleDbConnection conn;

  private OleConn()
  { 
  }

  public static OleDbConnection getConn()
  {
  string db = @"Provider=Microsoft.Jet.OleDb.4.0;Data Source=";
  string str = @"E:\C#\addressBook\addressBook\DataBase\MyBook.mdb";
  conn = new OleDbConnection(db+str);
  return conn;
  }
  }

ÕâÑùµÄµ¥Àýoleconn Á¬½ÓÀà

//Ö´ÐÐsql ´ø²ÎÊýµÄÊý×é
  public static bool ExecSQLParamters(OleDbParameter[] par, string sql)
  {
  try
  {
  using (OleDbCommand comm = new OleDbCommand(sql, OleConn.getConn()))
  {

  foreach (OleDbParameter pars in par)
  {
  comm.Parameters.Add(pars);
  }

   
  OleConn.getConn().Open();
   
  comm.ExecuteNonQuery();

  return true;
  }
  }
  catch
  {


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