01. Private Sub ButtonUpdate_Click(ByVal sender As System.Object, ByVal e As System.EventArgs)
02. ds = New DataSet
03. da = New SqlDataAdapter("UPDTA tb_book SET Title='" & txtTitle.Text.Trim() & "',Author='" & txtAuthor.Text.Trim() & "',Publisher='" & txtPublisher.Text.Trim() & "',Isbn='" & txtIsbn.Text.Trim() & "',fool='" & txtfool.Text.Trim() & "',ImagePath='" & txtImagePath.Text.Trim() & "','" & DateTimeExpire.Text.Trim() & "' WHERE Book_ID='" & txtBook_ID.Text.Trim() & "'", sqlcon)
04. da.Fill(ds, "tb_book")
05.
06. MsgBox("แก้ไขข้อมูลเรียบร้อยแล้วครับ")
07. Call showdata()
08. Call cleardata()
09. End Sub
10.End Class
