Hi
i have function like above
Public Sub halytystutkinta ()
Dim ds As New DataSet
ds = dl2.HaeHalytys( )
Dim onkohal As Int16
onkohal = ds.Tables(0).Ro ws(0).Item("onk ohalytys")
halid = ds.Tables(0).Ro ws(0).Item("hal id")
If onkohal = 1 Then
Beep()
Label2.Text = "Halytys, halytys"
Image1.DataBind ()
Beep()
End If
End Sub
and i try to use that function with timer like this
Private Sub OnTimer(ByVal source As Object, ByVal e As System.Timers.E lapsedEventArgs )
otakuva()
End Sub
Private Sub KaynnistaPalvel u()
AddHandler aTimer.Elapsed, AddressOf OnTimera
aTimer.Interval = 20000
aTimer.Enabled = True
end sub
but that doesnt not work
but if i call if call function halytystutkinta
like above it works
Private Sub Button1_Click(B yVal sender As System.Object, ByVal e As System.EventArg s) Handles Button1.Click
halytystutkinta ()
End Sub
it is asp.net application 6 2038
see inline
"Antti Laakso" <an**********@h otmail.com> wrote in message news:FC******** *************** ***********@mic rosoft.com... Hi
i have function like above
Public Sub halytystutkinta () Dim ds As New DataSet ds = dl2.HaeHalytys( ) Dim onkohal As Int16 onkohal = ds.Tables(0).Ro ws(0).Item("onk ohalytys") halid = ds.Tables(0).Ro ws(0).Item("hal id") If onkohal = 1 Then Beep()
Note: Beep (IF it works) would be a server-side function
Label2.Text = "Halytys, halytys" Image1.DataBind () Beep() End If End Sub
and i try to use that function with timer like this
Private Sub OnTimer(ByVal source As Object, ByVal e As System.Timers.E lapsedEventArgs ) otakuva()
Where is this function "otakuva" declared? Shouldn't it be "halytystutkint a" ?
End Sub
Private Sub KaynnistaPalvel u() AddHandler aTimer.Elapsed, AddressOf OnTimera
Is "OnTimerA" a typo in the post? I think you mean "OnTimer".
aTimer.Interval = 20000 aTimer.Enabled = True end sub
but that doesnt not work but if i call if call function halytystutkinta like above it works
Private Sub Button1_Click(B yVal sender As System.Object, ByVal e As System.EventArg s) Handles Button1.Click halytystutkinta () End Sub
it is asp.net application
Do you define the timer in an aspx page? That will NOT work as the lifetime
of that page (class) is one request. The next request will use a fresh class
where the timer will be reset. So the timer never fires!
It IS possible to use a timer, but (for asp.net) only in Global.asax.
What are you trying to do with this timer? Why are you using it?
Hans Kesting
"Hans Kesting" wrote: see inline
"Antti Laakso" <an**********@h otmail.com> wrote in message news:FC******** *************** ***********@mic rosoft.com... Hi
i have function like above
Public Sub halytystutkinta () Dim ds As New DataSet ds = dl2.HaeHalytys( ) Dim onkohal As Int16 onkohal = ds.Tables(0).Ro ws(0).Item("onk ohalytys") halid = ds.Tables(0).Ro ws(0).Item("hal id") If onkohal = 1 Then Beep() Note: Beep (IF it works) would be a server-side function
Label2.Text = "Halytys, halytys" Image1.DataBind () Beep() End If End Sub
and i try to use that function with timer like this
Private Sub OnTimer(ByVal source As Object, ByVal e As System.Timers.E lapsedEventArgs ) otakuva()
Where is this function "otakuva" declared? Shouldn't it be "halytystutkint a" ? it's a different function End Sub
Private Sub KaynnistaPalvel u() AddHandler aTimer.Elapsed, AddressOf OnTimera
Is "OnTimerA" a typo in the post? I think you mean "OnTimer".
there is two timers aTimer.Interval = 20000 aTimer.Enabled = True end sub
but that doesnt not work but if i call if call function halytystutkinta like above it works
Private Sub Button1_Click(B yVal sender As System.Object, ByVal e As System.EventArg s) Handles Button1.Click halytystutkinta () End Sub
it is asp.net application
Do you define the timer in an aspx page? That will NOT work as the lifetime of that page (class) is one request. The next request will use a fresh class where the timer will be reset. So the timer never fires! It IS possible to use a timer, but (for asp.net) only in Global.asax.
What are you trying to do with this timer? Why are you using it?
yes in aspx page. when timer fires it should call webservice which accesses a database and returns a dataset which contains information about alarms. i'll need to get that data from webservice about every 10seconds Hans Kesting
> > Do you define the timer in an aspx page? That will NOT work as the lifetime of that page (class) is one request. The next request will use a fresh class where the timer will be reset. So the timer never fires! It IS possible to use a timer, but (for asp.net) only in Global.asax.
What are you trying to do with this timer? Why are you using it?
yes in aspx page. when timer fires it should call webservice which accesses a database and returns a dataset which contains
information about alarms. i'll need to get that data from webservice about every 10seconds
Then that's the problem. The aspx page is finished in milliseconds so the timer gets destroyed long
before it can fire.
Possibly you can change the timer to client-side, using a <meta http-equiv=refresh content=10> tag in the html to
refresh the page every 10 seconds. In the page get the data immediately to build html to
send back to the browser.
Hans Kesting
i once wrote a e-mail system that i wanted to be a-synchronous
i.o.w. i did not want the aspx page to wait untill the e-mail was generated
and send ( inmediate response back to the user )
what i did was the folowing
i added a standard module , declared a public class with properties and a
method sendmail
my aspx page received the parameters from the web , i passed these
parameters to the class module ( the parameters were e-mail adress to send
to , the message etc etc etc )
at last i called the method sendmail wich started a timer with delay of 500
miliseconds , when the timer triggered it would generate and send the e-mail
this did the trick for me ,,,,
what i wanted to say with this story is that it sure is possible to use a
timer in ASP.NET pages however they should be called from global code
M. Posseth [MCP]
"Hans Kesting" <ne***********@ spamgourmet.com > wrote in message
news:%2******** *******@TK2MSFT NGP10.phx.gbl.. . Do you define the timer in an aspx page? That will NOT work as the
lifetime of that page (class) is one request. The next request will use a fresh
class where the timer will be reset. So the timer never fires! It IS possible to use a timer, but (for asp.net) only in Global.asax.
What are you trying to do with this timer? Why are you using it? yes in aspx page. when timer fires it should call webservice which
accesses a database and returns a dataset which contains information about alarms. i'll need to get that data from webservice about
every 10seconds
Then that's the problem. The aspx page is finished in milliseconds so the
timer gets destroyed long before it can fire.
Possibly you can change the timer to client-side, using a <meta
http-equiv=refresh content=10> tag in the html to refresh the page every 10 seconds. In the page get the data immediately to
build html to send back to the browser.
Hans Kesting
Thank's for help!
"Hans Kesting" wrote: Do you define the timer in an aspx page? That will NOT work as the lifetime of that page (class) is one request. The next request will use a fresh class where the timer will be reset. So the timer never fires! It IS possible to use a timer, but (for asp.net) only in Global.asax.
What are you trying to do with this timer? Why are you using it?
yes in aspx page. when timer fires it should call webservice which accesses a database and returns a dataset which contains
information about alarms. i'll need to get that data from webservice about every 10seconds
Then that's the problem. The aspx page is finished in milliseconds so the timer gets destroyed long before it can fire.
Possibly you can change the timer to client-side, using a <meta http-equiv=refresh content=10> tag in the html to refresh the page every 10 seconds. In the page get the data immediately to build html to send back to the browser.
Hans Kesting
Thank's for help!
"M. Posseth" wrote: i once wrote a e-mail system that i wanted to be a-synchronous
i.o.w. i did not want the aspx page to wait untill the e-mail was generated and send ( inmediate response back to the user )
what i did was the folowing
i added a standard module , declared a public class with properties and a method sendmail
my aspx page received the parameters from the web , i passed these parameters to the class module ( the parameters were e-mail adress to send to , the message etc etc etc )
at last i called the method sendmail wich started a timer with delay of 500 miliseconds , when the timer triggered it would generate and send the e-mail
this did the trick for me ,,,,
what i wanted to say with this story is that it sure is possible to use a timer in ASP.NET pages however they should be called from global code
M. Posseth [MCP]
"Hans Kesting" <ne***********@ spamgourmet.com > wrote in message news:%2******** *******@TK2MSFT NGP10.phx.gbl.. . > > Do you define the timer in an aspx page? That will NOT work as the lifetime > of that page (class) is one request. The next request will use a fresh class > where the timer will be reset. So the timer never fires! > It IS possible to use a timer, but (for asp.net) only in Global.asax. > > What are you trying to do with this timer? Why are you using it?
yes in aspx page. when timer fires it should call webservice which accesses a database and returns a dataset which contains information about alarms. i'll need to get that data from webservice about every 10seconds >
Then that's the problem. The aspx page is finished in milliseconds so the
timer gets destroyed long before it can fire.
Possibly you can change the timer to client-side, using a <meta http-equiv=refresh content=10> tag in the html to refresh the page every 10 seconds. In the page get the data immediately to build html to send back to the browser.
Hans Kesting
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