public class Intro:IDisposable
{
private OleDbConnection conn;
private OleDbCommand cmd;
private string IntroContent;
{
private OleDbConnection conn;
private OleDbCommand cmd;
private string IntroContent;
public Intro()
{
conn=DBConnection.getConn();
conn.Open();
cmd=new OleDbCommand("select top 1 * from [Intro]",conn);
try
{
OleDbDataReader dr=cmd.ExecuteReader();
dr.Read();
IntroContent=dr.GetValue(1).ToString();
}
catch
{
IntroContent="";
}
finally
{
cmd.Dispose();
conn.Close();
}
}
public void Dispose()
{
if(conn.State==ConnectionState.Open)
conn.Close();
conn.Dispose();
GC.SuppressFinalize(this);
}
}
调用是-------
using(Intro it=new Intro())
{
}
<> <>
关键字词:
