findcontrol on textbox returns empty string

[Rimu Atkinson]

hi all

i use FindControl to get a textbox, and i get a textbox object, but it's
..Text property is empty.

some background info: i have a DataList, which has a template column in it,
and in that template column i define a textbox.

<asp:TemplateCo lumn HeaderText="Qua ntity">
<ItemTemplate >
<asp:TextBox id="Quantity" runat="server" Columns="4" MaxLength="3"
Text='<%# DataBinder.Eval (Container.Data Item, "Quantity") %>' width="40px"
/>
</ItemTemplate>
</asp:TemplateCol umn>

Later on, i want to go through all the rows in the datalist (called MyList),
and do some processing based on the contents of the textboxes, which may
have been changed by the user.

For i = 0 To MyList.Items.Co unt - 1

Dim quantityTxt As TextBox = CType(MyList.It ems(i).FindCont rol("Quantity") ,
TextBox)

'do some stuff here

Next

quantityTxt.Tex t is always vbNullstring. i have tried
MyList.Items(i) .Cells(2).FindC ontrol("Quantit y") as well, which makes no
difference.

any idea why??

any help very much appreciated.

thanks

Rimu

[asneader]

Re: findcontrol on textbox returns empty string

I had a similar problem when creating controls dynmically on a page.
Make sure that the call that creates the datalist is not in a "If Not
IsPostBack Then" statement. The "dynamic" controls have to be
recreated when the page is submitted to get values from them. I hope
this helps.

"Rimu Atkinson" <rimu1@paradise .net.removenosp amthing.nz> wrote in message news:<UsETb.203 76$ws.2719954@n ews02.tsnz.net> ...[color=blue]
> hi all
>
> i use FindControl to get a textbox, and i get a textbox object, but it's
> .Text property is empty.
>
> some background info: i have a DataList, which has a template column in it,
> and in that template column i define a textbox.
>
> <asp:TemplateCo lumn HeaderText="Qua ntity">
> <ItemTemplate >
> <asp:TextBox id="Quantity" runat="server" Columns="4" MaxLength="3"
> Text='<%# DataBinder.Eval (Container.Data Item, "Quantity") %>' width="40px"
> />
> </ItemTemplate>
> </asp:TemplateCol umn>
>
> Later on, i want to go through all the rows in the datalist (called MyList),
> and do some processing based on the contents of the textboxes, which may
> have been changed by the user.
>
> For i = 0 To MyList.Items.Co unt - 1
>
> Dim quantityTxt As TextBox = CType(MyList.It ems(i).FindCont rol("Quantity") ,
> TextBox)
>
> 'do some stuff here
>
> Next
>
> quantityTxt.Tex t is always vbNullstring. i have tried
> MyList.Items(i) .Cells(2).FindC ontrol("Quantit y") as well, which makes no
> difference.
>
> any idea why??
>
> any help very much appreciated.
>
> thanks
>
> Rimu[/color]