onItemDataBound event not firing on first go thru since moving to .net 2.0

[TS]

I have this custom data list control and i override the onItemDatabound
event. After upgrading to vs 2005, this event is not always getting called,
though it does at other times. No changes were made when upgrading to 2.0

is there any reason for this because of .net 2.0?

thanks

[Eric]

What type of control is this? In general, I think the event is
ataBound in .NET 2.0.

TS wrote:

I have this custom data list control and i override the onItemDatabound
event. After upgrading to vs 2005, this event is not always getting called,
though it does at other times. No changes were made when upgrading to 2.0

is there any reason for this because of .net 2.0?

thanks

[TS]

it is a control that inherits from DataList. The databinding does occur
after the page has posted back in some other parts of code - which correctly
calls the onDataBound event.

Also, this code worked correctly in 1.x but now fails.

thanks!

"Eric" <ve****@gmail.c omwrote in message
news:11******** *************@4 5g2000cws.googl egroups.com...

What type of control is this? In general, I think the event is
ataBound in .NET 2.0.

TS wrote:

>I have this custom data list control and i override the onItemDatabound
event. After upgrading to vs 2005, this event is not always getting
called,
though it does at other times. No changes were made when upgrading to 2.0

is there any reason for this because of .net 2.0?

thanks

[TS]

Also Why is it that this custom dataList of mine calls DataBind()
automatically (i know this because when my itemDataBound event runs, it runs
twice when i manually call DataBind())?

I also have a regular dataGrid on the page, but if i dont' set DAtaBind()
for it, it won't bind itself. Since DataList and DataGrid both inherit from
BAseDataList, i would expect both to either call databind() automatically or
not at all.

Whats the deal here?

thanks

"TS" <ma**********@n ospam.nospamwro te in message
news:%2******** ********@TK2MSF TNGP06.phx.gbl. ..

>I have this custom data list control and i override the onItemDatabound
event. After upgrading to vs 2005, this event is not always getting called,
though it does at other times. No changes were made when upgrading to 2.0

is there any reason for this because of .net 2.0?

thanks

[TS]

I have been looking at
http://msdn2.microsoft.com/en-us/library/aa479321.aspx but it doesn't
mention the base class for DataList, BaseDataList. Am i to assume that the
topics in this article don't relate to DAtaList or DataGrid (both inherit
from BaseDataList)?

thanks

"TS" <ma**********@n ospam.nospamwro te in message
news:%2******** ********@TK2MSF TNGP06.phx.gbl. ..

>I have this custom data list control and i override the onItemDatabound
event. After upgrading to vs 2005, this event is not always getting called,
though it does at other times. No changes were made when upgrading to 2.0

is there any reason for this because of .net 2.0?

thanks

[TS]

actually i think that it doesn't call DataBind() automatically, i found a
spot that was calling it anyways.
"TS" <ma**********@n ospam.nospamwro te in message
news:ug******** ********@TK2MSF TNGP02.phx.gbl. ..

Also Why is it that this custom dataList of mine calls DataBind()
automatically (i know this because when my itemDataBound event runs, it
runs twice when i manually call DataBind())?

I also have a regular dataGrid on the page, but if i dont' set DAtaBind()
for it, it won't bind itself. Since DataList and DataGrid both inherit
from BAseDataList, i would expect both to either call databind()
automatically or not at all.

Whats the deal here?

thanks

"TS" <ma**********@n ospam.nospamwro te in message
news:%2******** ********@TK2MSF TNGP06.phx.gbl. ..

>>I have this custom data list control and i override the onItemDatabound
event. After upgrading to vs 2005, this event is not always getting
called, though it does at other times. No changes were made when upgrading
to 2.0

is there any reason for this because of .net 2.0?

thanks

[Eric]

If a control has a DataSource, DataBind will automatically be called.
I'm not sure if this is the case for you or not.

Are you using .NET 1.1 or 2.0? It sounds like you're still using 1.1.
2.0 doesn't have the DataGrid control (it has been replaced with the
GridView) and the onItemDatabound event is generally called DataBound.

TS wrote:

actually i think that it doesn't call DataBind() automatically, i found a
spot that was calling it anyways.
"TS" <ma**********@n ospam.nospamwro te in message
news:ug******** ********@TK2MSF TNGP02.phx.gbl. ..

Also Why is it that this custom dataList of mine calls DataBind()
automatically (i know this because when my itemDataBound event runs, it
runs twice when i manually call DataBind())?

I also have a regular dataGrid on the page, but if i dont' set DAtaBind()
for it, it won't bind itself. Since DataList and DataGrid both inherit
from BAseDataList, i would expect both to either call databind()
automatically or not at all.

Whats the deal here?

thanks

"TS" <ma**********@n ospam.nospamwro te in message
news:%2******** ********@TK2MSF TNGP06.phx.gbl. ..

>I have this custom data list control and i override the onItemDatabound
event. After upgrading to vs 2005, this event is not always getting
called, though it does at other times. No changes were made when upgrading
to 2.0

is there any reason for this because of .net 2.0?

thanks

[Walter Wang [MSFT]]

Although it's recommended to use GridView in 2.0, DataGrid is still
supported in 2.0. It's actually improved to support a new way of
databinding that using DataSource control.

When you're using declarative way to set the DataSourceID property of a
data-bound control, you don't have to call DataBind() manually; but you
have to call DataBind() if you're setting DataSource property in code.

TS, would you please post some code of your DataList inherited control?
Thanks.
Sincerely,
Walter Wang (wa****@online. microsoft.com, remove 'online.')
Microsoft Online Community Support

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[TS]

to re-iterate, after the first time the databind event occurs during a
postback, it fails. The second time and every time after that, you postback
and call it and it works.

"TS" <ma**********@n ospam.nospamwro te in message
news:%2******** ********@TK2MSF TNGP04.phx.gbl. ..

>i have attached the code and this is the method that binds it:
private void LoadReport()
{
this.report = new Report(GetRepor tXmlDocument(), mReportName, "table",
"TEA");
this.rplCriteri a.ControlsAssem blyFile =
this.report.Bas eControlAssembl yFile;
this.rplCriteri a.DataSource = this.report.Par ameters;
this.rplCriteri a.DataBind();

// If the report contains no control parameters & not initial page load,
go straight to the report viewer
if (this.rplCriter ia.Items.Count == 0 && IsPostBack){
RunReport();
}
else{
this.lblReportT itle.Text = this.report.Tit le;
}
}

every time when it goes to bind, its data source has items. The first or
second time the page posts back, the onItemDataBound event won't fire,
after that it does. Again, the datasource is the same always, and the code
worked correctly in 1.x.

thanks!

"Walter Wang [MSFT]" <wa****@online. microsoft.comwr ote in message
news:4z******** ******@TK2MSFTN GXA01.phx.gbl.. .

>Although it's recommended to use GridView in 2.0, DataGrid is still
supported in 2.0. It's actually improved to support a new way of
databinding that using DataSource control.

When you're using declarative way to set the DataSourceID property of a
data-bound control, you don't have to call DataBind() manually; but you
have to call DataBind() if you're setting DataSource property in code.

TS, would you please post some code of your DataList inherited control?
Thanks.
Sincerely,
Walter Wang (wa****@online. microsoft.com, remove 'online.')
Microsoft Online Community Support

============== =============== =============== ======
Get notification to my posts through email? Please refer to
http://msdn.microsoft.com/subscripti...ult.aspx#notif
ications. If you are using Outlook Express, please make sure you clear
the
check box "Tools/Options/Read: Get 300 headers at a time" to see your
reply
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Note: The MSDN Managed Newsgroup support offering is for non-urgent
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Engineer within 1 business day is acceptable. Please note that each
follow
up response may take approximately 2 business days as the support
professional working with you may need further investigation to reach the
most efficient resolution. The offering is not appropriate for situations
that require urgent, real-time or phone-based interactions or complex
project analysis and dump analysis issues. Issues of this nature are best
handled working with a dedicated Microsoft Support Engineer by contacting
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rights.

[TS]

OK the way the page is set up, initial page load occurs then a postback
occurs which calls the databind. If I put a call to databind during initial
page load, the itemDataBound event is called correctly. For some reason the
intial call to databind when called during the 1st postback is causing
problems.

One other thing to keep in mind is that for some reason the page_load &
page_pre_render are running twice (probably all the page's events). The page
load runs twice, then pre-render runs twice in that exact order, so it
DOESNT' do a load-->pre-render-->Load-->pre-render. IT DOES
load-->load-->pre-render-->pre-render. I am attaching the stack track to
show you the difference comparing the 1st load to the 2nd load which both
occur on a single request for the page.

I have verified that this does not happen in VS 2003 with the same page and
i can find no other pages in vs 2005 that have their load event run twice.
This page is identical except for vs 2005 specific revisions which don't
change anything. This page does have a base class, but its load event only
runs ONCE!

When I put a call to databind during initial page load, the itemDataBound
event is called correctly for both page posts.

If you think double events firing is unrelated to our issue then no
investigation is required.

Thanks!

"TS" <ma**********@n ospam.nospamwro te in message
news:eN******** ******@TK2MSFTN GP02.phx.gbl...

to re-iterate, after the first time the databind event occurs during a
postback, it fails. The second time and every time after that, you
postback
and call it and it works.

"TS" <ma**********@n ospam.nospamwro te in message
news:%2******** ********@TK2MSF TNGP04.phx.gbl. ..

>>i have attached the code and this is the method that binds it:
private void LoadReport()
{
this.report = new Report(GetRepor tXmlDocument(), mReportName, "table",
"TEA");
this.rplCriter ia.ControlsAsse mblyFile =
this.report.Ba seControlAssemb lyFile;
this.rplCriter ia.DataSource = this.report.Par ameters;
this.rplCriter ia.DataBind();

// If the report contains no control parameters & not initial page load,
go straight to the report viewer
if (this.rplCriter ia.Items.Count == 0 && IsPostBack){
RunReport();
}
else{
this.lblReport Title.Text = this.report.Tit le;
}
}

every time when it goes to bind, its data source has items. The first or
second time the page posts back, the onItemDataBound event won't fire,
after that it does. Again, the datasource is the same always, and the
code
worked correctly in 1.x.

thanks!

"Walter Wang [MSFT]" <wa****@online. microsoft.comwr ote in message
news:4z******* *******@TK2MSFT NGXA01.phx.gbl. ..

>>Although it's recommended to use GridView in 2.0, DataGrid is still
supported in 2.0. It's actually improved to support a new way of
databinding that using DataSource control.

When you're using declarative way to set the DataSourceID property of a
data-bound control, you don't have to call DataBind() manually; but you
have to call DataBind() if you're setting DataSource property in code.

TS, would you please post some code of your DataList inherited control?
Thanks.
Sincerely,
Walter Wang (wa****@online. microsoft.com, remove 'online.')
Microsoft Online Community Support

============= =============== =============== =======
Get notification to my posts through email? Please refer to
http://msdn.microsoft.com/subscripti...ult.aspx#notif
ications. If you are using Outlook Express, please make sure you clear
the
check box "Tools/Options/Read: Get 300 headers at a time" to see your
reply
promptly.

Note: The MSDN Managed Newsgroup support offering is for non-urgent
issues
where an initial response from the community or a Microsoft Support
Engineer within 1 business day is acceptable. Please note that each
follow
up response may take approximately 2 business days as the support
professiona l working with you may need further investigation to reach
the
most efficient resolution. The offering is not appropriate for
situations
that require urgent, real-time or phone-based interactions or complex
project analysis and dump analysis issues. Issues of this nature are
best
handled working with a dedicated Microsoft Support Engineer by
contacting
Microsoft Customer Support Services (CSS) at
http://msdn.microsoft.com/subscripti...t/default.aspx.
============= =============== =============== =======

This posting is provided "AS IS" with no warranties, and confers no
rights.