从数据源拖动到Windows窗体时执行放置时发生异常 [英] an exception occurred while performing the drop when dragging from datasource to windows form
问题描述
大家好，
我正在开发vb.net Windows表单项目 一个sql服务器数据库
我的项目使用类型化的数据集将表格 链接到数据库.
一切都很好，直到我添加了 不依赖于数据库表的新数据表，它更像是一个从不同数据源获取数据的视图 数据库表，并尝试将其拖到Windows窗体中.我收到一条弹出消息，说
everything was fine till i added a new data table that does not depend on a database table its more like a view that gets data from different database tables and tried to drag it to the windows form. I received a popup message saying
执行放置时发生异常:调用目标已抛出异常" /span>
"an exception occurred while performing the drop : Exception has been thrown by the target of invocation"
由于出现此错误，我不是能够将表格从数据源拖动到Windows窗体
我希望任何人都可以帮忙> ;因为在崩溃之前我尝试了备份到系统，但是也得到了相同的消息
推荐答案
大家好，
Hi Everyone,
我正在开发vb.net Windows表单项目 一个sql服务器数据库
I am developing a vb.net windows forms project an a sql server database
我的项目使用类型化的数据集将表格 链接到数据库.
My project uses a typed dataset to link the forms to the database.
一切都很好，直到我添加了一个不依赖于数据库表的新数据表，它更像一个视图从不同的数据库表中获取数据，然后尝试将其拖动到
Windows窗体.我收到一条弹出消息，说
everything was fine till i added a new data table that does not depend on a database table its more like a view that gets data from different database tables and tried to drag it to
the windows form. I received a popup message saying
执行放置时发生异常:调用目标已抛出异常"
"an exception occurred while performing the drop : Exception has been thrown by the target of invocation"
由于出现此错误，我无法将表从数据源拖到Windows窗体中
since this error appeared i am not able anymore to drag tables from datasource to windows form
我希望任何人都可以帮助>因为在崩溃之前我尝试了备份到系统，但是也得到了相同的消息
I ope any one could help > because i tried a backup i 've taken to the system before this crash but also get he same message
这篇关于从数据源拖动到Windows窗体时执行放置时发生异常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！
