| 标题 | 怎样确定有多少人登陆数据库 |
| 范文 | Sub ShowUserRosterMultipleUsers() Dim cn As New ADODB.Connection Dim cn2 As New ADODB.Connection Dim rs As New ADODB.Recordset Dim i, j As Long cn.Provider = "Microsoft.Jet.OLEDB.4.0" cn.Open "Data Source=c:Northwind.mdb" cn2.Open "Provider=Microsoft.Jet.OLEDB.4.0;" _ "Data Source=c:Northwind.mdb" ' The user roster is exposed as a provider-specific schema rowset ' in the Jet 4 OLE DB provider. You have to use a GUID to ' reference the schema, as provider-specific schemas are not ' listed in ADO's type library for schema rowsets Set rs = cn.OpenSchema(adSchemaProviderSpecific, _ , "{947bb102-5d43-11d1-bdbf-00c04fb92675}") 'Output the list of all users in the current database. Debug.Print rs.Fields(0).Name, "", rs.Fields(1).Name, _ "", rs.Fields(2).Name, rs.Fields(3).Name While Not rs.EOF Debug.Print rs.Fields(0), rs.Fields(1), _ rs.Fields(2), rs.Fields(3) rs.MoveNext Wend End Sub |
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