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我试图将多个CSV文件加载到访问数据库中,但只想从第一列(PID)导入唯一值。我有下面的例程,这将首次工作,但它崩溃了,如果我尝试导入一个具有重复值的文件(所有文件将只有一个发生的每个PID)导入多个不包含重复值的CSV文件SQL
我的CSV有点不规则以及标题从第二行开始,但为了测试,我实际上删除了第一行,但也需要容纳这个以及
有什么建议吗?
Dim OpenMe As New OpenFileDialog
Dim FileStr As String = Nothing
OpenMe.Title = "Please Locate Your Outlets File"
OpenMe.InitialDirectory = My.Computer.FileSystem.SpecialDirectories.Desktop
OpenMe.Filter = "CSV Files (*.csv) | *.csv"
OpenMe.Multiselect = False
OpenMe.ShowDialog()
FileStr = OpenMe.FileName
TextBox1.Text = FileStr
Dim conn As New OleDbConnection("Provider=Microsoft.ACE.OLEDB.12.0; Data Source=C:\Dropbox\ROutlets\OutletsDB.accdb;")
conn.Open()
Dim cmd As New OleDbCommand("INSERT INTO [Outlets] ([PID], [Category], [Sub Category], [Tertiary Category], [Description], [Pack Description]) SELECT DISTINCT [PID], [Category], [Sub Category], [Tertiary Category], [Description], [Pack Description] FROM [Text;Database=C:\Users\Tset\Desktop;Hdr=Yes].[outlet-products111.csv] ", conn)
cmd.ExecuteNonQuery()
conn.Close()
MsgBox("File Imported")