The operation could not be completed. ADDITIONAL INFORMATION: The ‘Microsoft.ACE.OLEDB.12.0‘ provider is not registered on the local machine. (System.Data) 需要下载组件：https://www.microsoft.com/en-us/download/details.aspx?id=23734 Step 2 - Choosing a Destination Database The next step is to tell the wizard which database you want the data to be imported to.Specify where the data should go whe...