在数据库中添加图片　

添加两个按钮,一个image控件注意:Access中的photo字段类型为OLE对象.SqlServer中的photo字段类型为Image

'** 引用 Microsoft ActiveX Data Objects 2.5 Library 及以上版本‘2.5版本以下不支持Stream对象Dim iConcstr As StringDim iConc As ADODB.Connection 

'保存文件到数据库中Sub s_SaveFile()    Dim iStm As ADODB.Stream    Dim iRe As ADODB.Recordset    Dim iConcstr As String

    '读取文件到内容    Set iStm = New ADODB.Stream    With iStm        .Type = adTypeBinary   '二进制模式        .Open        .LoadFromFile App.Path + "/test.jpg"    End With  

    '打开保存文件的表    Set iRe = New ADODB.Recordset    With iRe        .Open "select * from img", iConc, 1, 3        .AddNew         '新增一条记录        .Fields("photo") = iStm.Read        .Update    End With  

   '完成后关闭对象    iRe.Close    iStm.CloseEnd Sub

Sub s_ReadFile()    Dim iStm As ADODB.Stream    Dim iRe As ADODB.Recordset    '打开表Set iRe = New ADODB.Recordset‘得到最新添加的纪录    iRe.Open "select top 1 * from img order by id desc", iConc, adOpenKeyset, adLockReadOnly    '保存到文件    Set iStm = New ADODB.Stream    With iStm        .Mode = adModeReadWrite        .Type = adTypeBinary        .Open        .Write iRe("photo")‘这里注意了,如果当前目录下存在test1.jpg,会报一个文件写入失败的错误.        .SaveToFile App.Path & "/test1.jpg"    End With  

    Image1.Picture = LoadPicture(App.Path & "/test1.jpg")   '关闭对象    iRe.Close    iStm.CloseEnd Sub 

Private Sub Command1_Click()Call s_ReadFileEnd Sub

Private Sub Command2_Click()Call s_SaveFileEnd Sub