Crystal Reports中的未知数据库连接器错误 [英] Unknown Database Connector Error in Crystal Reports

问题描述

好吧，我可能只是用这个问题射击空气..但我不知道发生了什么，我一直在撞击我的头在最后几天。

Ok, I am probably just shooting air with this question.. but I have no idea what's happening and I have been banging my head against it for the last couple days.

我有一个水晶报告版本12.2.0.290 ...我建立这个报告针对Oracle连接字符串（不是ODBC，因为它给我的错误，使用存储过程作为数据源）。无论如何，所以报告连接到数据库罚款..我能够构建整个报告..刷新数据与我做的每一个变化等。一旦我完成..我关闭了水晶报告。当我再次打开报告并尝试刷新数据时，我得到错误未知的数据库连接器错误在水晶报表。我得到这个错误，当我试图从水晶报告直接运行报告或从我们构建的此报告的.NET包装器。我也得到同样的错误，当我从另一台机器运行报告（在CR）。事实上，我得到这个错误，只是试图连接到任何Oracle数据库从该报告。

I have a crystal report version 12.2.0.290... I built this report against an Oracle connection string (not ODBC as it was giving me errors to use a stored procedure as a data source). Anyway, so the report was connecting to the database fine.. and I was able to build the entire report.. refreshing data with every change I made etc.. Once I was finished.. I closed the crystal report. When I open the report again and try to refresh the data I get the error "Unknown Database Connector Error in Crystal Reports". I get this error when I try to run the report straight from crystal reports.. or from the .NET wrapper that we built for this report. I also get the same error when I run the report (in CR) from another machine. In fact I get this error just trying to connect to an any Oracle database from that report..

真奇怪的是，如果我打开另一个报告，而我可以连接到相同的确切的数据源从它和它我去文件 - >打开和打开第一个报告..我可以连接到Oracle数据源，报告运行良好我可以重现这奇怪的行为在意志..我不知道发生了什么....我一直盯着这个问题最长的时间..如果任何人有任何想法，我会更乐意试用它们。 。

The really strange thing is that if I open another report that we built a while ago.. I can connect to the same exact data source from it and it I go to File -> Open and open the first report.. I can connect to the Oracle data source and the report runs fine.. I can reproduce this strange behavior at will.. I don't know what is going on.... and I have been staring at this problem for the longest while.. if anyone has any ideas I will be more than happy to try them out...

谢谢！

推荐答案

a href =http://www.oracle.com/technetwork/developer-tools/visual-studio/downloads/index.html =nofollow> Oracle数据访问组件？

Are you using the latest Oracle Data Access Components?

如何检查您使用的版本：

How to check which version you are using:

• 在安装ODAC期间，请参阅ODAC安装程序


• 安装后，请参阅ODAC安装目录中的history.html文件。


• 在设计时，


• 在运行时，检查OdacVersion和DACVersion常量的值。

• During installation of ODAC, consult the ODAC Installer screen.
• After installation, see the history.html file in your ODAC installation directiory.
• At design-time, select Oracle | About ODAC from the main menu of your IDE.
• At run-time, check the value of the OdacVersion and DACVersion constants.

_{注意：这本来是一个注释，但在OP响应后添加为如何检查ODAC版本的回答}

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