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| Visual Basic编程疑难问题解(二)三 | |||||
| 作者:佚名 教程来源:不详 点击数: 更新时间:2006-5-29 | |||||
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Private Sub Command3_Click() Dim conn As New ADODB.Connection conn.Open "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:\1.mdb;Persist Security Info=False" conn.Execute "create table a (b longbinary)" End Sub Private Sub Command4_Click() Set b = New ADODB.Recordset Set c = New ADODB.Stream c.Mode = adModeReadWrite c.Type = adTypeBinary c.Open c.LoadFromFile "c:\1.bmp" b.Open "select * from a", "Provider=Microsoft.Jet.OLEDB.4.0; Data Source=C:\1.mdb;Persist Security Info=False", adOpenDynamic, adLockOptimistic b.AddNew b.Fields.Item(0).Value = c.Read() b.Update b.Close Set b = New ADODB.Recordset b.Open "select * from a", "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:\1.mdb;Persist Security Info=False", adOpenKeyset, adLockOptimistic MsgBox b.RecordCount b.MoveLast c.Write (b.Fields.Item(0).Value) c.SaveToFile "c:\aa.bmp", adSaveCreateOverWrite Picture1.Picture = LoadPicture("c:\aa.bmp") End Sub
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| 教程录入:dping 责任编辑:dping | |||||
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