Bijoy,
You cannot add objects to viewstate that are not serializable. The
objects that are stored in viewstate can be represented as a string.
TableRow is not one of these. You can store the data for the row in
viewstate, but not the control itself.
--
Best regards,
Jeffrey Palermo
Blog:
http://dotnetjunkies.com/weblog/jpalermo
"Bijoy Naick" <b_naick@yahoo.ca> wrote in message
news:OaW1aWi1EHA.412@TK2MSFTNGP14.phx.gbl...[color=blue]
> I "fixed" this by adding the rows to a Session level variable. I was[/color]
unable[color=blue]
> to add a tablerow to ViewState.. Got an error about it not implementing
> "Serializable"..
>
> How can I add a tablerow to viewstate?
>
> Thx.
>
> Bijoy
>
>
> "Jeffrey Palermo [MCP]" <http://dotnetjunkies.com/weblog/jpalermo> wrote[/color]
in[color=blue]
> message news:OMu9sSb1EHA.2876@TK2MSFTNGP12.phx.gbl...[color=green]
> > Bijoy,
> > Understand that dynamic controls have to be created and added to the
> > page each time the page is built. You are building these table rows in[/color][/color]
a[color=blue][color=green]
> > post-back event handler, but on the next post-back you aren't building[/color][/color]
the[color=blue][color=green]
> > rows, so naturally they won't be there after that last post-back. You[/color]
> need[color=green]
> > to rethink your page design to make sure that the data for these table[/color]
> rows[color=green]
> > can be saved in viewstate and persisted from post-back to post-back.
> >
> > Best regards,
> > Jeffrey Palermo
> >
> > "Bijoy Naick" <b_naick@yahoo.ca> wrote in message
> > news:OHhxEiJ1EHA.2856@TK2MSFTNGP15.phx.gbl...[color=darkred]
> > > I have something strange going on.. My .aspx page contains a file[/color][/color][/color]
upload[color=blue][color=green][color=darkred]
> > > control, a "Import Data" button, a "newTransactions" <asp:table>,
> > > a"SaveTrans" button and an confMsg label.
> > >
> > > First the user selects a file, then clicks Import Data. The page now[/color][/color]
> reads[color=green][color=darkred]
> > > the PostedFile and displays each line as a new row in the[/color][/color]
> newTransactions[color=green][color=darkred]
> > > table. All of this works fine.
> > >
> > > For now, I've programmed SaveTrans_Click to display the number of rows[/color][/color]
> in[color=green][color=darkred]
> > > the newTransactions table in the confMsg label.
> > >
> > > When I click on the SaveTrans button, all the rows added dynamically[/color][/color][/color]
in[color=blue][color=green]
> > the[color=darkred]
> > > table dissapper and as a result, the congMsg label displays 1 (the[/color][/color]
> header[color=green][color=darkred]
> > > row I hard coded in the <asp:table> declaration).
> > >
> > > What do i need to do to avoid this? Why is this happening?
> > >
> > > Thanks.
> > >
> > > Bijoy
> > >
> > >
> > >[/color]
> >
> >[/color]
>
>[/color]
