图片文件上传入SQL库及显示代码 转

图片文件上传入SQL库代码：
html页代码：
<INPUT id="file1" type="file" name="file1" runat="server">
后台代码：
    Public Class BinaryFile
        ' 文件编号
        Public FileID As Int64
        ' 文件标题
        Public FileTitle As String
        ' 文件内容
        Public FileContents As Byte()
        ' 文件类型
        Public FileType As String
    End Class

            '------------------------------------------上传文件操作开始---------------------------------------------

            Dim objFile As Common.Data.BinaryFile = New Common.Data.BinaryFile
            Dim intLen As Integer
            intLen = file1.PostedFile.ContentLength
            If intLen > 200000 Then
                Response.Write("<script language='javascript'>alert('上传的文件超出了限定的大小！');history.back();</script>")
            End If
            ReDim objFile.FileContents(intLen)
            file1.PostedFile.InputStream.Read(objFile.FileContents, 0, intLen)
            objFile.FileType = file1.PostedFile.ContentType
            Dim FilePath As String = file1.Value
            If intDocLen <> 0 Then
                If Mid(file1.PostedFile.ContentType, 1, 5) <> "image" Then
                    Response.Write("<script language=javascript>alert('请上传正确的图片类型!');history.back();</script>")
                    Response.End()
                End If
            End If
            Dim flag As Integer = objFile.Add(objFile.FileContents, objFile.FileType)
                If flag = 1 Then
                    Response.Write("<script language=javascript>alert('提交成功!');</script>")
                Else
                    Response.Write("<script>alert('提交失败!');history.back();</script>")
                    Response.End()
                End If

            '-----------------------------------------上传文件操作结束---------------------------------------------


图片文件显示代码：
html页代码：
    <asp:Image id="Image2" runat="server"></asp:Image>
后台代码：
    Dim objFile As Common.Data.BinaryFile = New Common.Data.BinaryFile
    Dim CID As Integer = CInt(Trim(Request.QueryString("CID")))
    Dim ds As DataSet = New DataSet
    ds = objFile .Get(CID)

    If IsDBNull(ds.Tables(0).Rows(0).Item("FileType")) = False And Left(CStr(ds.Tables(0).Rows(0).Item("FileType")), 6) = "image/" Then
        Response.ContentType = Convert.ToString(ds.Tables(0).Rows(0).Item("FileType"))
        Response.BinaryWrite(ds.Tables(0).Rows(0).Item("FileContents"))
    Else
        Me.Image.ImageUrl = "images/wu.gif"
    End If