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Datagrid invisible Label/Textbox does not generate HTML Object?

Hi, All:

I have a datagrid with TemplateColumn as following:

<asp:TemplateCo lumn Visible="False" >
<ItemStyle Width="0px"></ItemStyle>
<ItemTemplate >
<asp:Label id="lblMin_Valu e" Visible=False runat="server" Text='<%#
DataBinder.Eval (Container, "DataItem.min_v alue") %>'>
</asp:Label>
</ItemTemplate>
</asp:TemplateCol umn>

I set Visible = false for this column because I do not want end user
see this column. But
If I check the html source, I did not see any HTML code for this label.
If the Visble is true, on the source code of HTML, I will see <Span id
= blahblah....>. I have a client side javascript to using this label's
value (actually the span's innerText), but the HTML does not have this
<Span object, so I could get the value of this min_value.

I also tried to set Visible =FAlse for <ASP:Label , it is the same.
I tried using <ASP:textbox > it is the same, not HTML object generated.
Does anybody have experience on this before? How should I Invisible an
Label/Textbox in datagrid but generate HTML Object so that JavaScript
can access?

Thanks a lot
-Rockdale

Jun 6 '06 #1
3 2903

Add a hidden object.

what you see is what is supposed to be doing.
<input id="hidUserUUID " type="hidden" name="hidUserUU ID" runat="server">

something like that.

"rockdale" <ro************ @gmail.com> wrote in message
news:11******** ************@j5 5g2000cwa.googl egroups.com...
Hi, All:

I have a datagrid with TemplateColumn as following:

<asp:TemplateCo lumn Visible="False" >
<ItemStyle Width="0px"></ItemStyle>
<ItemTemplate >
<asp:Label id="lblMin_Valu e" Visible=False runat="server" Text='<%#
DataBinder.Eval (Container, "DataItem.min_v alue") %>'>
</asp:Label>
</ItemTemplate>
</asp:TemplateCol umn>

I set Visible = false for this column because I do not want end user
see this column. But
If I check the html source, I did not see any HTML code for this label.
If the Visble is true, on the source code of HTML, I will see <Span id
= blahblah....>. I have a client side javascript to using this label's
value (actually the span's innerText), but the HTML does not have this
<Span object, so I could get the value of this min_value.

I also tried to set Visible =FAlse for <ASP:Label , it is the same.
I tried using <ASP:textbox > it is the same, not HTML object generated.
Does anybody have experience on this before? How should I Invisible an
Label/Textbox in datagrid but generate HTML Object so that JavaScript
can access?

Thanks a lot
-Rockdale

Jun 6 '06 #2
rockdale wrote:
Hi, All:

I have a datagrid with TemplateColumn as following:

<asp:TemplateCo lumn Visible="False" >
<ItemStyle Width="0px"></ItemStyle>
<ItemTemplate >
<asp:Label id="lblMin_Valu e" Visible=False runat="server" Text='<%#
DataBinder.Eval (Container, "DataItem.min_v alue") %>'>
</asp:Label>
</ItemTemplate>
</asp:TemplateCol umn>

I set Visible = false for this column because I do not want end user
see this column. But
If I check the html source, I did not see any HTML code for this
label. If the Visble is true, on the source code of HTML, I will see
<Span id = blahblah....>. I have a client side javascript to using
this label's value (actually the span's innerText), but the HTML does
not have this <Span object, so I could get the value of this
min_value.

I also tried to set Visible =FAlse for <ASP:Label , it is the same.
I tried using <ASP:textbox > it is the same, not HTML object
generated.
Does anybody have experience on this before? How should I Invisible an
Label/Textbox in datagrid but generate HTML Object so that JavaScript
can access?

The effect of setting any server control's Visible property to False is
to prevent that control from being rendered on the client.

You will need to use a client-side solution for this, perhaps a css
class:

<style>
.invisible {display:none}
</style>
....
asp:Label id="lblMin_Valu e" CssClass="invis ible" runat="server" Text=
--
Microsoft MVP -- ASP/ASP.NET
Please reply to the newsgroup. The email account listed in my From
header is my spam trap, so I don't check it very often. You will get a
quicker response by posting to the newsgroup.
Jun 6 '06 #3
Brilliant.

I came with
<asp:TemplateCo lumn ItemStyle-CssClass="invis ible"
FooterStyle-CssClass="invis ible" HeaderStyle-CssClass="invis ible"
ItemStyle-Width=0>

and it works perfect

Thank you very much
-rockdale
Bob Barrows [MVP] wrote:
rockdale wrote:
Hi, All:

I have a datagrid with TemplateColumn as following:

<asp:TemplateCo lumn Visible="False" >
<ItemStyle Width="0px"></ItemStyle>
<ItemTemplate >
<asp:Label id="lblMin_Valu e" Visible=False runat="server" Text='<%#
DataBinder.Eval (Container, "DataItem.min_v alue") %>'>
</asp:Label>
</ItemTemplate>
</asp:TemplateCol umn>

I set Visible = false for this column because I do not want end user
see this column. But
If I check the html source, I did not see any HTML code for this
label. If the Visble is true, on the source code of HTML, I will see
<Span id = blahblah....>. I have a client side javascript to using
this label's value (actually the span's innerText), but the HTML does
not have this <Span object, so I could get the value of this
min_value.

I also tried to set Visible =FAlse for <ASP:Label , it is the same.
I tried using <ASP:textbox > it is the same, not HTML object
generated.
Does anybody have experience on this before? How should I Invisible an
Label/Textbox in datagrid but generate HTML Object so that JavaScript
can access?

The effect of setting any server control's Visible property to False is
to prevent that control from being rendered on the client.

You will need to use a client-side solution for this, perhaps a css
class:

<style>
.invisible {display:none}
</style>
...
asp:Label id="lblMin_Valu e" CssClass="invis ible" runat="server" Text=
--
Microsoft MVP -- ASP/ASP.NET
Please reply to the newsgroup. The email account listed in my From
header is my spam trap, so I don't check it very often. You will get a
quicker response by posting to the newsgroup.


Jun 7 '06 #4

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