>>Hi,
>>
>>Any idea of what would cause the error:
>>
>>
>>Cannot show requested dialog.
>>Additional information: Parameter name: nColIndex. Actual value was -1. (Microsoft.SqlServer.GridControl)
>>
>>
>>The error happens when in SQL Server Management Studio 2008 I right mouse click on Databases and then on Attach.
>>
>>TIA.
>
>It is hard to reproduce on demand bug in SSMS. As a first step, try closing SSMS and re-start and re-try. If this will not fix the problem, then you can always attach DB using T-SQL.
I closed and opened SSMS in the past few days probably 100 times. And I tried to attach using T-SQL and got a problem (I started a new thread on that issue).
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