不知道为什么在ASP.NET中查询数据库,每次都会从新建立连接.
我们刚把网站数据库从SQL SERVER 2000转到SQL SERVER 2005,连接串都没变,但是现在每个查询都会重新链接,在Logout很耗资源.以下是用跟踪器记录下来的部分

RPC:Completedexec sp_reset_connection .Net SqlClient Data Providertest2user000027842282007-04-23 14:15:00.6402007-04-23 14:15:00.6400X00000000000000002600730070005F00720065007300650074005F0063006F006E006E0065006300740069006F006E00
Audit Login-- network protocol: TCP/IP
set quoted_identifier on
set arithabort off
set numeric_roundabort off
set ansi_warnings on
set ansi_padding on
set ansi_nulls on
set concat_null_yields_null on
set cursor_close_on_commit off
set implicit_transactions off
set language 简体中文
set dateformat ymd
set datefirst 7
set transaction isolation level read committed
.Net SqlClient Data Providertest2user27842282007-04-23 14:15:00.640
SQL:BatchStartingSelect * from testtable.Net SqlClient Data Providertest2user27842282007-04-23 14:15:00.640
SQL:BatchCompletedSelect * from testtable.Net SqlClient Data Providertest2user020027842282007-04-23 14:15:00.6402007-04-23 14:15:00.640
Audit Logout.Net SqlClient Data Providertest2user070021627842282007-04-23 14:15:00.6402007-04-23 14:15:00.857
RPC:Completedexec sp_reset_connection .Net SqlClient Data Providertest2user000027842282007-04-23 14:15:00.8572007-04-23 14:15:00.857

[解决办法]
SQL Server 外围应用配置器—服务和连接外围配置—database englie—远程连接—启用(远程连接的TCP/IP和named pipes)
SQL Server Configuration Manager—SQL2005网络配置—启用TCP/IP和named pipes