Photo Rotate Image Cached

[byrd48]

Hi,
I am developing a web site which allows users to upload and share
photos. I have a datalist which lists the photos and has the usual
edit, update commands.
Within the edititemtemplat e, I have links to allow the user to rotate
the photo 90 degrees left or right. After I rebind the datalist,the
photo is not rotated on the web page, although it correctly rotated on
the server. If I click refresh, it updates, but calling refresh causes
it to submit the rotate command again,and the photo shows as having
been rotated twice (180 degrees).
How can I force the page to upload the newly rotated photo after the
command event from the datalist?
Thanks in advance for your help.

Jon

[byrd48]

I also tried to set the outputcache of the page to 1 second and it
still is not working.
Thanks,
Jon

[Eliyahu Goldin]

Jon,

Trick the browser by adding a random query parameter to the image url. I use
the millisecond part of current time:

function random(){
return (new Date()).getMill iseconds();
}

The url will look like

"getPhoto.aspx? "+random()

Eliyahu

"byrd48" <by*****@rocket mail.com> wrote in message
news:11******** **************@ g49g2000cwa.goo glegroups.com.. .

Hi,
I am developing a web site which allows users to upload and share
photos. I have a datalist which lists the photos and has the usual
edit, update commands.
Within the edititemtemplat e, I have links to allow the user to rotate
the photo 90 degrees left or right. After I rebind the datalist,the
photo is not rotated on the web page, although it correctly rotated on
the server. If I click refresh, it updates, but calling refresh causes
it to submit the rotate command again,and the photo shows as having
been rotated twice (180 degrees).
How can I force the page to upload the newly rotated photo after the
command event from the datalist?
Thanks in advance for your help.

Jon

[byrd48]

Hi,
I'm not calling the page through a URL, here is the code that is
executed on the codebehind when the user clicks the rotate left or
rotate right button.

Thanks,

Jon

Sub DataList_Rotate Photo(ByVal sender As Object, ByVal e As
DataListCommand EventArgs) Handles DataList1.ItemC ommand
If e.CommandArgume nt = "rotateleft " Then
'rotate the photo left
Me.m_class_phot o.PhotoRotate(" l",
Me.m_Class_Gall ery.Gallery_Ret rieve(Session(" UserGallery")). Tables(0).Rows( e.Item.ItemInde x).Item("PhotoN ame"),
Session("UserID "))

' rotate the thumb left
Me.m_class_phot o.ThumbRotate(" l",
Me.m_Class_Gall ery.Gallery_Ret rieve(Session(" UserGallery")). Tables(0).Rows( e.Item.ItemInde x).Item("PhotoN ame"),
Session("UserID "))
End If

If e.CommandArgume nt = "rotaterigh t" Then
'rotate the photo right
Me.m_class_phot o.PhotoRotate(" r",
Me.m_Class_Gall ery.Gallery_Ret rieve(Session(" UserGallery")). Tables(0).Rows( e.Item.ItemInde x).Item("PhotoN ame"),
Session("UserID "))

' rotate the thumb right
Me.m_class_phot o.ThumbRotate(" r",
Me.m_Class_Gall ery.Gallery_Ret rieve(Session(" UserGallery")). Tables(0).Rows( e.Item.ItemInde x).Item("PhotoN ame"),
Session("UserID "))
End If

bindlist()
End Sub