Attempted to read or write protected memory. When I call showDialog method of openfileDialog

Question

recently in my project when I call ShowDialog method of OpenFileDialog I get this error:

\"Attempted to read or write protected memory. Thi

Answer 1

This is solved my problem. In Connection string add the OLE DB Services=-1 then its working.

Like this:

Provider=Microsoft.ACE.OLEDB.12.0; Data Source=C:\DbTest\Test.accdb; OLE DB Services=-1

Or as shown in this link