MBR IT/.NET 247 : Adding Handlers to controls programmatically (event handler not firing) on ASPFriends.com 'aspngvb' list

Adding Handlers to controls programmatically (event handler not firing)

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Eric Landes (VIP)

I have added a control programmatically to a page and have added an =
event
handler. This particular event handler is for clicking a button. =
However
when I step through the code, the click event does not fire. Any ideas =
why?
(below is the code:

Dim oSubmitButton As New System.Web.UI.WebControls.Button()
oSubmitButton.Text =3D "View Report"
AddHandler oSubmitButton.Click, AddressOf PCRMButtonClicked
Page.Controls(1).Controls.Add(oSubmitButton)

Public Sub PCRMButtonClicked(ByVal sender As System.Object, ByVal e =
As
System.EventArgs)
do something
End Sub

TIA
*************************=20
Eric Landes=20
Senior Programmer/Analyst (Partners Health Plan)=20
For Articles on Crystal.Net, Datagrids and more check out
http://www.aspalliance.com/corporatecoder/
*************************=20
All statements expressed are my own, and do not reflect the opinion of =
my
employer, unless stated otherwise.=20

Confidentiality Notice: This e-mail message, including any
attachments, is for the sole use of the intended recipient(s) and may
contain confidential and privileged information. Any unauthorized
review, use, disclosure or distribution is prohibited. If you are not
the intended recipient, please contact the sender by reply e-mail and
destroy all copies of the original message.

PARTNERS Health Plan Phone: 574-233-4899
100 E. Wayne St., Suite 502 Fax: 574-234-7484
South Bend, IN 46601 www.partnersindiana.com

Reply to this message...

Eric Landes (VIP)

Darren,

Thanks again for the help. For anyone interested, and for the archives, I
fixed this using a combination of things. The ID on all my objects was a
main part (as Darren suggested). Also, I placed all my dynamically created
controls inside a panel. By using panel1.controls.add(controlname), this
worked. Now on to bigger and better things! I also found this web page at
msdn helpful: (watch for wrapping)
http://msdn.microsoft.com/library/default.asp?url=3D/library/en-us/vbcon/html/" target="_blank">http://msdn.microsoft.com/library/default.asp?url=3D/library/en-us/vbcon/html/
vbtskAddingControlsToWebFormsPageProgrammatically.asp
<http://msdn.microsoft.com/library/default.asp?url=3D/library/en-us/vbcon/html
/vbtskAddingControlsToWebFormsPageProgrammatically.asp>=20
=20
Eric =20

-----Original Message-----
From: Eric Landes=20
Sent: Monday, August 19, 2002 9:39 AM
To: 'aspngvb'
Subject: RE: [aspngvb] Adding Handlers to controls programmatically (event
handler not firing)

I've added the id to the button so my code looks like this:
Dim oSubmitButton As New System.Web.UI.WebControls.Button()

oSubmitButton.Text =3D "View Report"

oSubmitButton.ID =3D "ReportButton"

AddHandler oSubmitButton.Click, AddressOf PCRMButtonClicked

But when you say to add the mybutton.click to my code, that loses the
ability I want of dynamically adding a button, and attaching code to the
click event. My reading of the docs, indicates that using the addhandler
statment accomplishes the same goal. Is that correct?

Also, I believe that I am losing all my dynamically created objects in
postback, so perhaps I am doing something wrong there?

Appreciate any ideas.

Eric

-----Original Message-----
From: Darren Neimke [mailto:Click here to reveal e-mail address]
Sent: Friday, August 16, 2002 6:17 PM
To: aspngvb
Subject: RE: [aspngvb] Adding Handlers to controls programmatically (event
handler not firing)

You need to give the Button an ID:
=20
oSubmitButton.ID =3D "MyButton"

Then add the Handles statement to the method that will handle its click
event:
=20
Public Sub ...(...) Handles MyButton.Click
...
End Sub=20

-----Original Message-----=20
From: Eric Landes [mailto:Click here to reveal e-mail address]=20
Sent: Sat 8/17/2002 5:27 AM=20
To: aspngvb=20
Cc:=20
Subject: [aspngvb] Adding Handlers to controls programmatically (event
handler not firing)

I have added a control programmatically to a page and have added an event
handler. This particular event handler is for clicking a button. However
when I step through the code, the click event does not fire. Any ideas why?
(below is the code:

Dim oSubmitButton As New System.Web.UI.WebControls.Button()
oSubmitButton.Text =3D "View Report"
AddHandler oSubmitButton.Click, AddressOf PCRMButtonClicked
Page.Controls(1).Controls.Add(oSubmitButton)

Public Sub PCRMButtonClicked(ByVal sender As System.Object, ByVal e As
System.EventArgs)
do something
End Sub

TIA
*************************
Eric Landes
Senior Programmer/Analyst (Partners Health Plan)
For Articles on Crystal.Net, Datagrids and more check out
http://www.aspalliance.com/corporatecoder/
<http://www.aspalliance.com/corporatecoder/>=20
*************************
All statements expressed are my own, and do not reflect the opinion of my
employer, unless stated otherwise.

Confidentiality Notice: This e-mail message, including any
attachments, is for the sole use of the intended recipient(s) and may
contain confidential and privileged information. Any unauthorized
review, use, disclosure or distribution is prohibited. If you are not
the intended recipient, please contact the sender by reply e-mail and
destroy all copies of the original message.

PARTNERS Health Plan Phone: 574-233-4899
100 E. Wayne St., Suite 502 Fax: 574-234-7484
South Bend, IN 46601 www.partnersindiana.com

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Darren Neimke

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Reply to this message...

Eric Landes (VIP)

I've added the id to the button so my code looks like this:
Dim oSubmitButton As New System.Web.UI.WebControls.Button()

oSubmitButton.Text =3D "View Report"

oSubmitButton.ID =3D "ReportButton"

AddHandler oSubmitButton.Click, AddressOf PCRMButtonClicked

But when you say to add the mybutton.click to my code, that loses the
ability I want of dynamically adding a button, and attaching code to the
click event. My reading of the docs, indicates that using the addhandler
statment accomplishes the same goal. Is that correct?

Also, I believe that I am losing all my dynamically created objects in
postback, so perhaps I am doing something wrong there?

Appreciate any ideas.

Eric

-----Original Message-----
From: Darren Neimke [mailto:Click here to reveal e-mail address]
Sent: Friday, August 16, 2002 6:17 PM
To: aspngvb
Subject: RE: [aspngvb] Adding Handlers to controls programmatically (event
handler not firing)

You need to give the Button an ID:
=20
oSubmitButton.ID =3D "MyButton"

Then add the Handles statement to the method that will handle its click
event:
=20
Public Sub ...(...) Handles MyButton.Click
...
End Sub=20

-----Original Message-----=20
From: Eric Landes [mailto:Click here to reveal e-mail address]=20
Sent: Sat 8/17/2002 5:27 AM=20
To: aspngvb=20
Cc:=20
Subject: [aspngvb] Adding Handlers to controls programmatically (event
handler not firing)

I have added a control programmatically to a page and have added an event
handler. This particular event handler is for clicking a button. However
when I step through the code, the click event does not fire. Any ideas why?
(below is the code:

Dim oSubmitButton As New System.Web.UI.WebControls.Button()
oSubmitButton.Text =3D "View Report"
AddHandler oSubmitButton.Click, AddressOf PCRMButtonClicked
Page.Controls(1).Controls.Add(oSubmitButton)

Public Sub PCRMButtonClicked(ByVal sender As System.Object, ByVal e As
System.EventArgs)
do something
End Sub

TIA
*************************
Eric Landes
Senior Programmer/Analyst (Partners Health Plan)
For Articles on Crystal.Net, Datagrids and more check out
http://www.aspalliance.com/corporatecoder/
<http://www.aspalliance.com/corporatecoder/>=20
*************************
All statements expressed are my own, and do not reflect the opinion of my
employer, unless stated otherwise.

Confidentiality Notice: This e-mail message, including any
attachments, is for the sole use of the intended recipient(s) and may
contain confidential and privileged information. Any unauthorized
review, use, disclosure or distribution is prohibited. If you are not
the intended recipient, please contact the sender by reply e-mail and
destroy all copies of the original message.

PARTNERS Health Plan Phone: 574-233-4899
100 E. Wayne St., Suite 502 Fax: 574-234-7484
South Bend, IN 46601 www.partnersindiana.com

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| http://www.asplists.com/asplists/aspngvb.asp
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Confidentiality Notice: This e-mail message, including any
attachments, is for the sole use of the intended recipient(s) and may
contain confidential and privileged information. Any unauthorized
review, use, disclosure or distribution is prohibited. If you are not
the intended recipient, please contact the sender by reply e-mail and
destroy all copies of the original message.

PARTNERS Health Plan Phone: 574-233-4899
100 E. Wayne St., Suite 502 Fax: 574-234-7484
South Bend, IN 46601 www.partnersindiana.com

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	System.EventArgs
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