的源代码和程序可以从数据库中检索pdf并在reportviewer控件中显示

编号报告查看器不是PDF查看器。它显示可以导出为定义格式的报告（PDF可以是其中之一）。



让我知道源代码

因为这是不可能的，所以没有代码。但是，如果这是可能的，那么它也不会像这样工作。



以下是对询问者的期望：

1. 首先尝试你想做什么！你可能会发现它并不那么难。

2.制定你所做的事情看似问题/不工作。



尝试一下，告诉你是否面临问题。

各位会员非常乐意为此提供帮助。

it is possible to retrieve the pdf from database and displyed in reportviewer control
No. Report Viewer is not a PDF viewer. It shows report that can be exported into defined formats (PDF can be one of them).

let me know the source code
Since this is not possible, no code. But, if this was possible, then also it does not work like this here.

Here is what is expected of enquirers:
1. TRY first what you want to do! You may find that it''s not that hard.
2. Formulate what was done by you that looks like an issue/not working.

Try them and tell if you face issues.
Members will be more than happy to help like this.