vs2010水晶报表预览报表是连接oracle数据库报错12514

连接前，请配置本地TNS。 收起

Can you tnsping the TNS name?
【不是一句话讲的清楚】 收起

回复 5# drdb2


    I can connect using plsql developer.  -.- 收起

Then you have to learn troubleshooting step by step.
First, can you connect using sqlplus? 收起

回复 3# drdb2
No ,I am just learning Crystal Report by myself. 收起

It should be client side TNS related.
It should not be hard to get resolved.
Do you have Crystal Report Support or DBA within your organization to help you out? 收起

跪求大神帮忙啊！！！:'( 收起