3;Public conn As New ADODB.Connection Public rs As New ADODB.Recordset Public addFlag As Boolean Public Function OpenCn() As Boolean Dim mag As String On Error GoTo strerrmag Set conn = New ADODB.Connection conn.ConnectionTimeout = 25 conn.Provider = "sqloledb" conn.Properties("data source").Value = "127.0.0.1" \'服务器的名字 conn.Properties("initial catalog").Value = "chart" \'库名 conn.Properties("integrated security").Value = "SSPI" \'登陆类型 conn.Open OpenCn = True addFlag = True Exit Function strerrmag: mag = "Data can\'t connect" Call MsgBox(mag, vbOKCancel, "Error:Data connect") addFlag = False End End Function Public Sub clocn() On Error Resume Next If conn.State <> adStateClosed Then conn.Close Set conn = Nothing End Sub Public Function openrs(ByVal strsql As String) As Boolean \'连接数据库记录集 Dim mag As String Dim rpy As Boolean On Error GoTo strerrmag Set rs = New ADODB.Recordset If addFlag = False Then rpy = True With rs .ActiveConnection = conn .CursorLocation = adUseClient .CursorType = adOpenKeyset .LockType = adLockOptimistic .Open strsql End With addFlag = True openrs = True Exit Function strerrmag: mag = "data not connect" Call MsgBox(mag, vbOKCancel, "error:connect") openrs = False End End Function Public Sub clors() On Error Resume Next If rs.State <> adStateClosed Then rs.Clone Set rs = Nothing End Sub
