从Crystal Report引用自定义程序集 [英] Referencing a custom assembly from Crystal Report

问题描述

亲爱的朋友们，您好。



我有一个.dll文件，其中有一个名为Class1的类。 Class1包含一个名为'Convert'的方法，它是一种带有十进制输入参数的Public Static String。



在我的项目中，我使用crystal report进行报告。在我的报告中，我想使用Class1的这种方法（'转换'）。



请告诉我怎么做。



非常感谢。

Hello my dear friends.

I have a .dll file that a class named 'Class1' is in it. Class1 contains a method named 'Convert' that it is a type of Public Static String with a decimal input parameter.

In my project I use crystal report for reporting. In my report I want to use this method ( 'Convert' ) of Class1.

Please tell me how can I do it.

Thanks a lot.

推荐答案

这在很大程度上取决于您使用的版本，但自定义函数位于用户函数库中（UFL）用水晶术语表示。一个教程开始：创建用户函数库 [< a href =http://msdn.microsoft.com/en-us/library/ms227603(v=vs.90).aspx\"target =_ blanktitle =New Window> ^ ]

This highly depends on the version you're using, but custom functions are located in a User Function Library (UFL) in Crystal terms. One tutorial to start with: Creating a User Function Library[^]

您好，



我遇到了与此主题相同的问题。我在使用Crystal Reports 13（适用于VS.NET）的Visual Studio 2010上尝试此操作。我完成了教程中描述的所有步骤：



http://msdn.microsoft.com/en-US/library/ms227661(v = vs.80） [ ^ ]



同样在本电子书中，第390页：



VS2005_W​​alkthroughs.pdf [ ^ ]



但是我的类和函数没有出现在Crystal Reports Designer中（公式工作室>函数>附加函数）。我验证了我的DLL，名为CRUFLICE.DLL，已在COM注册。我有一个较旧的VB6 DLL，如果我用COM注册它，那么它的功能就会显示出来。所以我重命名了我的VB.NET类，方法，汇编，以匹配旧的DLL，但仍然没有运气。我会做C＃但新的.NET自定义函数将取代旧的VB6自定义函数，所以我在VB.NET中这样做，所以可以重用一些旧的代码。



我的新DLL长度为8个字母，以CRUFL前缀开头。我的类是ComVisible，有一个Guid并实现了一个接口。我的函数是公共的并返回一个String。我已经通过Visual Studio构建选项注册了DLL，并直接使用regasm和gacutil。我还缺少什么？



谢谢。

Hello,

I have the same problem described in this thread. I am trying this on Visual Studio 2010 with Crystal Reports 13 (for VS.NET). I have done all the steps as described in tutorial:

http://msdn.microsoft.com/en-US/library/ms227661(v=vs.80)[^]

Also in this ebook, page 390:

VS2005_Walkthroughs.pdf[^]

However my class and functions are not showing up in Crystal Reports Designer (Formula Workshop > Functions > Additional Functions). I verified that my DLL, named CRUFLICE.DLL, is registered with COM. I have an older VB6 DLL which, if I register it with COM, then it's functions do show up. So I renamed my VB.NET class, methods, assembly, to match the old DLL and still no luck. I would do C# but the new .NET custom functions are going to replace the old VB6 custom functions, so I am doing it in VB.NET so can reuse some of the old code.

My new DLL is 8 letters long starting with CRUFL prefix. My class is ComVisible and has a Guid and implements an interface. My functions are public and return a String. I have registered DLL through Visual Studio build option and directly with regasm and gacutil. What else am I missing?

Thanks.

这篇关于从Crystal Report引用自定义程序集的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！