' lo trovi su SVEGLIA. Dim cn As New ADODB.Connection() cn.ConnectionString = "PROVIDER=Microsoft.Jet.OLEDB.4.0;Data Source =" & TypeConn.PathDataBase cn.Open() Dim rs As New ADODB.Recordset() rs.CursorLocation = ADODB.CursorLocationEnum.adUseClient rs.CursorType = ADODB.CursorTypeEnum.adOpenStatic rs.LockType = ADODB.LockTypeEnum.adLockBatchOptimistic rs.Open(sql, cn, CursorTypeEnum.adOpenStatic, LockTypeEnum.adLockOptimistic) For M = 0 To Rs.RecordCount - 1 If Ora > Val(rs.Fields("Ora").Value) Then Debug.Print(Val(rs.Fields("Ora").Value)) Successivo_Click(Nothing, Nothing) Else Exit For End If rs.MoveNext() Next ' setta il datasorce di una list al dataset.Table Imports System.Data.OleDb Private Sub frmMain_Load(ByVal sender As System.Object, _ ByVal e As System.EventArgs) Handles MyBase.Load Dim Connection As ADODB.Connection = New ADODB.Connection() Connection.Open("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & My.Application.Info.DirectoryPath & "\.." & "\NWind.mdb;Persist Security Info=False") Dim RS As ADODB.Recordset = New ADODB.Recordset() RS.Open("SELECT Customers.*, ContactName + ' from ' + " _ & "CompanyName AS FullName FROM Customers", _ Connection, _ ADODB.CursorTypeEnum.adOpenDynamic, _ ADODB.LockTypeEnum.adLockReadOnly, 0) Dim DA As OleDbDataAdapter = New OleDbDataAdapter() Dim DS As DataSet = New DataSet() DA.Fill(DS, RS, "Customers") lbCustomers.DataSource = DS.Tables("Customers") lbCustomers.DisplayMember = "FullName" Connection.Close() End Sub Sub Main() Dim cn As New ADODB.Connection() cn.ConnectionString = "provider=sqloledb;server=(localhost);database=northwind;uid=<username>" cn.Open() Dim rs As New ADODB.RecordSet() rs.CursorLocation = ADODB.CursorLocationEnum.adUseClient rs.CursorType = ADODB.CursorTypeEnum.adOpenStatic rs.LockType = ADODB.LockTypeEnum.adLockBatchOptimistic rs.Open("select * from products", cn) rs.ActiveConnection = Nothing cn.Close() Dim da As New System.Data.OleDb.OleDbDataAdapter() Dim ds As New DataSet() da.Fill(ds, rs, "products") Console.Write("There are " & ds.Tables(0).Rows.Count.ToString & " total products.") Console.ReadLine() End Sub |