Greetings,
My app displays users in a GridView control. I'd like to have the name field
shown in each row of this control a link that displays another page with
information about that user.
But I'm not sure how to approach this. How would I tell the target page
which user to display? I'd prefer not to pass the user's ID on the URL, and
I don't know when I'd get a chance to set a Session variable.
I know I can add a template with a link but, if I set an event handler for
that link, how does it know which row was selected?
Thanks for any tips.
--
Jonathan Wood
SoftCircuits Programming http://www.softcircuits.com 9 1414
One way is to do Server.Transfer to the user info page on server side.
The link on the grid will fire just a postback, perhaps a RowCommand event,
the server will find what row fired the event, get the user id from the row,
put it in a session variable and transfer to the info page.
--
Eliyahu Goldin,
Software Developer
Microsoft MVP [ASP.NET] http://msmvps.com/blogs/egoldin http://usableasp.net
"Jonathan Wood" <jw***@softcirc uits.comwrote in message
news:O5******** ******@TK2MSFTN GP04.phx.gbl...
Greetings,
My app displays users in a GridView control. I'd like to have the name
field shown in each row of this control a link that displays another page
with information about that user.
But I'm not sure how to approach this. How would I tell the target page
which user to display? I'd prefer not to pass the user's ID on the URL,
and I don't know when I'd get a chance to set a Session variable.
I know I can add a template with a link but, if I set an event handler for
that link, how does it know which row was selected?
Thanks for any tips.
--
Jonathan Wood
SoftCircuits Programming http://www.softcircuits.com
I've got a couple of ways to bring up another page. But, again, my issue is
providing the ID of the row the link was on.
So I couldn't quite follow your suggestion. Are you talking about built-in
row buttons, or something added via a template, or something else entirely?
That'd be a big help if you could clarify.
Thanks.
--
Jonathan Wood
SoftCircuits Programming http://www.softcircuits.com
"Eliyahu Goldin" <RE************ **************@ mMvVpPsS.orgwro te in
message news:ev******** ******@TK2MSFTN GP04.phx.gbl...
One way is to do Server.Transfer to the user info page on server side.
The link on the grid will fire just a postback, perhaps a RowCommand
event, the server will find what row fired the event, get the user id from
the row, put it in a session variable and transfer to the info page.
--
Eliyahu Goldin,
Software Developer
Microsoft MVP [ASP.NET] http://msmvps.com/blogs/egoldin http://usableasp.net
"Jonathan Wood" <jw***@softcirc uits.comwrote in message
news:O5******** ******@TK2MSFTN GP04.phx.gbl...
>Greetings,
My app displays users in a GridView control. I'd like to have the name field shown in each row of this control a link that displays another page with information about that user.
But I'm not sure how to approach this. How would I tell the target page which user to display? I'd prefer not to pass the user's ID on the URL, and I don't know when I'd get a chance to set a Session variable.
I know I can add a template with a link but, if I set an event handler for that link, how does it know which row was selected?
Thanks for any tips.
-- Jonathan Wood SoftCircuits Programming http://www.softcircuits.com
Am I completely up in the night here, or is that "selected row" business
restricted to gridviews that have a select button?
I want a link for each row (preferrably a hyperlink in actual data) to
direct the user to another page, and to somehow tell that page which row the
link was clicked on. There would be no separate step of selecting a row.
Thanks.
--
Jonathan Wood
SoftCircuits Programming http://www.softcircuits.com
"Mark Rae [MVP]" <ma**@markNOSPA Mrae.netwrote in message
news:Od******** ******@TK2MSFTN GP03.phx.gbl...
"Jonathan Wood" <jw***@softcirc uits.comwrote in message
news:ev******** *****@TK2MSFTNG P03.phx.gbl...
>So I couldn't quite follow your suggestion. Are you talking about built-in row buttons, or something added via a template, or something else entirely?
http://msdn2.microsoft.com/en-us/lib...lectedrow.aspx
--
Mark Rae
ASP.NET MVP http://www.markrae.net
"Jonathan Wood" <jw***@softcirc uits.comwrote in message
news:Oi******** ******@TK2MSFTN GP04.phx.gbl...
is that "selected row" business restricted to gridviews that have a select
button?
No.
I want a link for each row (preferrably a hyperlink in actual data) to
direct the user to another page, and to somehow tell that page which row
the link was clicked on. There would be no separate step of selecting a
row.
There are several ways you could do this...
Since you don't fancy the SelectedRow method, why not create a
TemplateColumn and add a LinkButton to it...? An asp:LinkButton is a button
control which looks like a hyperlink. This means that you can set its
CommandArgument value during the RowBinding of the GridView which you can
use to set a Session variable when the hyperlink is clicked, and then do a
Response.Redire ct to the other page: http://msdn2.microsoft.com/en-us/lib...dargument.aspx
--
Mark Rae
ASP.NET MVP http://www.markrae.net
Mark,
>is that "selected row" business restricted to gridviews that have a select button?
No.
I don't understand how can there be a selected row if a grid has no means to
select one?
Since you don't fancy the SelectedRow method, why not create a
Given my lack of knowledge on it, I have nothing against the SelectedRow
method. It's just that I'm not seeing how that would produce the effect that
I want.
TemplateColumn and add a LinkButton to it...? An asp:LinkButton is a
button control which looks like a hyperlink. This means that you can set
its CommandArgument value during the RowBinding of the GridView which you
can use to set a Session variable when the hyperlink is clicked, and then
do a Response.Redire ct to the other page:
I followed this right up to the point where I set the CommandArgument value
during the RowBinding of the GridView. I see the GridView has no RowBinding
event. There is a RowDataBound event. I can modify the handler like this:
protected void GridView1_RowDa taBound(object sender, GridViewRowEven tArgs e)
{
e.Row.Cells[0].Text = "What?";
}
I'm not clear on A) how I would access the LinkButton in this cell, B) how I
would respond to the link being clicked, and C) how I would know which row
the link was clicked on in my click handler.
Any chance you could fill this out a bit more for me?
Thanks.
--
Jonathan Wood
SoftCircuits Programming http://www.softcircuits.com
"Jonathan Wood" <jw***@softcirc uits.comwrote in message
news:%2******** *******@TK2MSFT NGP04.phx.gbl.. .
>>is that "selected row" business restricted to gridviews that have a select button?
No.
I don't understand how can there be a selected row if a grid has no means
to select one?
http://www.google.co.uk/search?sourc...EventReference
I'm not clear on A) how I would access the LinkButton in this cell,
protected void GridView1_RowDa taBound(object sender, GridViewRowEven tArgs e)
{
((LinkButton)e. Row.Cells[0].FindControl("M yLinkButton")). CommandArgument
= "<something >";
}
B) how I would respond to the link being clicked,
By specifying a Command event for the LinkButton in the TemplateColumn, same
way that you would respond to an <asp:Buttonbein g clicked...
and C) how I would know which row the link was clicked on in my click
handler.
You wouldn't need to now, because you've included the data you need in the
LinkButton's CommandArgument property... http://www.thescripts.com/forum/thread554224.html
--
Mark Rae
ASP.NET MVP http://www.markrae.net
Mark,
I seem to be having trouble with this.
>>>is that "selected row" business restricted to gridviews that have a select button?
No.
I don't understand how can there be a selected row if a grid has no means to select one?
http://www.google.co.uk/search?sourc...EventReference
These articles still seem to be talking about making a row selectable.
That's not what I need.
>I'm not clear on A) how I would access the LinkButton in this cell,
protected void GridView1_RowDa taBound(object sender, GridViewRowEven tArgs
e)
{
((LinkButton)e. Row.Cells[0].FindControl("M yLinkButton")). CommandArgument =
"<something >";
}
>B) how I would respond to the link being clicked,
By specifying a Command event for the LinkButton in the TemplateColumn,
same way that you would respond to an <asp:Buttonbein g clicked...
>and C) how I would know which row the link was clicked on in my click handler.
You wouldn't need to now, because you've included the data you need in the
LinkButton's CommandArgument property...
http://www.thescripts.com/forum/thread554224.html
Ack, okay, I think I finally wrapped my mind around this. I think I
incorporated some of what you were saying but kind of got the core from some
of the articles.
My GridView column looks like this:
<asp:TemplateFi eld HeaderText="Nam e">
<ItemTemplate >
<asp:LinkButt on ID="lnkName" runat="server" Text='<%# Eval("Name") %>'
CommandName="Vi ewTrainer" CommandArgument ='<%# Eval("UserId") %>'
onclick="lnkNam e_Click">LinkBu tton</asp:LinkButton>
</ItemTemplate>
</asp:TemplateFie ld>
And then I can respond in either of two ways:
protected void lnkName_Click(o bject sender, EventArgs e)
{
Session["ID"] = ((LinkButton)se nder).CommandAr gument;
Response.Redire ct("Trainer.asp x");
}
Or
protected void GridView1_RowCo mmand(object sender, GridViewCommand EventArgs
e)
{
if (e.CommandName == "ViewTraine r")
{
Session["ID"] = (string)e.Comma ndArgument;
Response.Redire ct("Trainer.asp x");
}
}
The first version looks a little cleaner--I may go with that.
Thanks for your help.
--
Jonathan Wood
SoftCircuits Programming http://www.softcircuits.com
On Mon, 31 Dec 2007 16:08:24 -0700, "Jonathan Wood"
<jw***@softcirc uits.comwrote:
>Greetings,
My app displays users in a GridView control. I'd like to have the name field shown in each row of this control a link that displays another page with information about that user.
But I'm not sure how to approach this. How would I tell the target page which user to display? I'd prefer not to pass the user's ID on the URL, and I don't know when I'd get a chance to set a Session variable.
I know I can add a template with a link but, if I set an event handler for that link, how does it know which row was selected?
Thanks for any tips.
Look at cross-page posting.
regards
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