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Public Class Form1

  Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click

  MsgBox(1)

  Dim Cnn As New ADODB.Connection '¶¨ÒåÊý¾ÝÁ´½Ó¶ÔÏó £¬±£´æÁ¬½ÓÊý¾Ý¿âÐÅÏ¢£»ÇëÏÈÌí¼ÓADOÒýÓÃ

  MsgBox(2)
  Dim Rs As New ADODB.Recordset '¶¨Òå¼Ç¼¼¯¶ÔÏ󣬱£´æÊý¾Ý±í

  MsgBox(3)
  Dim strCnn = "Provider=SQLOLEDB.1;Initial Catalog=qzsyck ;Data Source=·þÎñ´óÖÚ;User ID=;Password=;Integrated Security=True;Persist Security Info=False;"

  MsgBox(4)
  Cnn.Open(strCnn)

  MsgBox("Á´½Ó³É¹¦")

  Rs.Open("select * from userpw", Cnn) '¶¨ÒåSQL²éѯÃüÁî×Ö·û´®

  MsgBox(6)

  End Sub
End Class


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Microsoft DataGrid Control

Dim strCnn = "Provider=SQLOLEDB.1;Initial Catalog=qzsyck ;Data Source=·þÎñ´óÖÚ;User ID=SA;Password=SAµÄÃÜÂë;Integrated Security=True;Persist Security Info=False;"

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