Dim ConnectionString As String = "Data Source=.\sqlexpress;Initial Catalog=DATABASE.MDF;Integrated Security=SSPI;"
Dim SQL As String = "Select * From aaa"
Dim conn As New SqlConnection(ConnectionString)
Dim cmd As New SqlCommand(SQL, conn)
conn.Open()
Dim DR As SqlDataReader = cmd.ExecuteReader
GridView2.DataSource = DR
GridView2.DataBind()
DR.Close()
conn.Close()
