string my="data source=(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=TCP) (HOST=localhost)(PORT=1521)))(CONNECT_DATA=(SERVICE_NAME=cjsorcl)));User ID=cjsdog;Password=cjsmap;Pooling = True;Max Pool Size = 10;Min Pool Size = 1;"OracleConnection conn = new OracleConnection(my);***.Open();... ...... ...conn.Close();连接字符串后加“Pooling = True;Max Pool Size = 10;Min Pool Size = 1;”这三个参数即可实现应用连接池。Pooling:是否启用连接池,True为启用Max Pool Size:连接池最大连接数Min Pool Size:连接池最小连接数