XForm Block problems

Jens Qvist

Vote:

I want to alter the form and add some functions to send mail in BeforeSubmit and in AfterSubmit I want to do a redirect to a certainpage.

How do I solve this?

In XFormBlock.ascx.cs I have the following code;

        protected override void OnInit(EventArgs e)
        {
            base.OnInit(e);
            if (!IsPostBack && CurrentPage is CalendarEventPageType && CurrentBlock.Form != null)
            {
                
                XFormControl.ControlSetup += new EventHandler(XForm_ControlSetup);

            }
            
        }

        protected void XForm_ControlSetup(object sender, EventArgs e)
        {

            var control = (XFormControl)sender;
            control.BeforeSubmitPostedData += new SaveFormDataEventHandler(XForm_BeforeSubmitPostedData);
            control.AfterSubmitPostedData += new SaveFormDataEventHandler(XForm_AfterSubmitPostedData);

        }

The events run fine and works. However! Everytime the page containing the xform block is rendered it will register a

new EventHandler(XForm_ControlSetup);

which means that after entering any calendarEventPage for say 10 times and I finally post a form the BeforeSubmit event will run 10 times.

Is it possible to somehow check if the events allready been registered?

#81910

Feb 28, 2014 11:54

valdis

Vote:

Do unsubscribe before subscribe :)

XFormControl.ControlSetup -= new EventHandler(XForm_ControlSetup);
XFormControl.ControlSetup += new EventHandler(XForm_ControlSetup);

#81915

Feb 28, 2014 12:36

Jens Qvist

Vote:

Thank you, but unfortunately I have already tried that. :-(

#81920

Feb 28, 2014 13:08

valdis

Vote:

Ok, Can't you subscribe to Before | After posted data events directly to CurrentBlock.Form property and not throught static ControlSetup event?

#81931

Feb 28, 2014 14:24

Per Bjurström

Vote:

You should listen to static events only on application start, for example in Global.asax.cs as shown below:

 protected void Application_Start(Object sender, EventArgs e)
{
            XFormControl.ControlSetup += new EventHandler(XForm_ControlSetup);
}

#81951

Edited, Feb 28, 2014 16:00

Vote:

Though a better practice use to be that you add listeners in an initializationmodule instead of global asax

#81952

Feb 28, 2014 16:24

Matthew Boniface

Vote:

#83106

Mar 25, 2014 23:21

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XForm Block problems