Try
Dim MyConnection As System.Data.OleDb.OleDbConnection
Dim dataSet As System.Data.DataSet
Dim MyCommand As System.Data.OleDb.OleDbDataAdapter
Dim path As String = "C:\\Users\\dream\\Desktop\\เขียนโปรแกรม\\Book.xlsx"
MyConnection = New System.Data.OleDb.OleDbConnection("Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + path + ";Extended Properties=Excel 12.0;")
MyCommand = New System.Data.OleDb.OleDbDataAdapter("select * from [Sheet1$]", MyConnection)
dataSet = New System.Data.DataSet
MyCommand.Fill(dataSet)
DataGridView1.DataSource = dataSet.Tables(0)
MyConnection.Close()
Catch ex As Exception
MsgBox(ex.Message.ToString)
End Try