Código vb.net:
Ver originalDim cnn As New OleDb.OleDbConnection
Dim dt As New DataTable
Dim da As New OleDb.OleDbDataAdapter
Dim cmd As New OleDb.OleDbCommand
cnn.ConnectionString = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:\Users\Zoko\SeeWeedDataBase4.accdb;Persist Security Info=False"
cnn.Open()
cmd.Connection = cnn
cmd.CommandText = "Clientes"
cmd.CommandType = CommandType.TableDirect
da.SelectCommand = cmd
da.Fill(dt)
intenta hacerlo asi... en la primera linea de todo tu codigo tambien debe de ir
Imports System.Data.OleDb