There are a number of places in my app where I want the user to work
with an item (a real physical item referred to by its stock number) If
such an item hasn't been selected, I redirect the user to a page to
select one. Then having selected one, want to redirect them back from
where they came (passing the stockitemID ). It's this latter part
(redirection from where they came) that's bugging me.
I'm using a datagrid to display the items that fit the search criteria.
One of the columns is a hyperlink that needs to redirect the user back
to the page that they came from.
At 1st when I had only one page, I hard coded the return page like this:
<item template>
<a href='returnpag e.aspx?itemid=< #%databinder.ev al(container.da taitem,
"ID")%>.... and the rest..... </a>
</item template>
I need to change "returnpage.asp x" to reflect the page that the user
came from. It's not getting the value that's the problem, it's getting
that value into the above statement!
Subsequently, I made the item template contain <an asp:hyperlink> in the
hope that I could manipulate the navigateURL property in the code
behind. However, I get an "Object reference not set to an instance of
an object" error when I try that. (It seems that "ids" of items within
datagrids aren't what they seem!)
I thought of passing the returnURL to the SQL server stored proc and
passing it back again. That would definitely work (I could refer to the
return page using the
<%# databinder.eval .....%>
syntax, but it seems very silly to pass a parameter only to return it
back again!
There must be another way! Any advice gratefully received.
--
Paul 2 2075
Paul, there are a couple ways to go, but here's one: return the string for your "return page" from a public function of the page class, then use something like..
href='<%# MyReturnPage() + databinder.eval (etc.) %>
hth
Bil
----- Paul wrote: ----
There are a number of places in my app where I want the user to work
with an item (a real physical item referred to by its stock number) If
such an item hasn't been selected, I redirect the user to a page to
select one. Then having selected one, want to redirect them back from
where they came (passing the stockitemID ). It's this latter part
(redirection from where they came) that's bugging me
I'm using a datagrid to display the items that fit the search criteria.
One of the columns is a hyperlink that needs to redirect the user back
to the page that they came from
At 1st when I had only one page, I hard coded the return page like this
<item template><a href='returnpag e.aspx?itemid=< #%databinder.ev al(container.da taitem,
"ID")%>.... and the rest..... </a></item template
I need to change "returnpage.asp x" to reflect the page that the user
came from. It's not getting the value that's the problem, it's getting
that value into the above statement
Subsequently, I made the item template contain <an asp:hyperlink> in the
hope that I could manipulate the navigateURL property in the code
behind. However, I get an "Object reference not set to an instance of
an object" error when I try that. (It seems that "ids" of items within
datagrids aren't what they seem!
I thought of passing the returnURL to the SQL server stored proc and
passing it back again. That would definitely work (I could refer to the
return page using th
<%# databinder.eval .....%
syntax, but it seems very silly to pass a parameter only to return it
back again
There must be another way! Any advice gratefully received
--
Pau
Paul, there are a couple ways to go, but here's one: return the string for your "return page" from a public function of the page class, then use something like..
href='<%# MyReturnPage() + databinder.eval (etc.) %>
hth
Bil
----- Paul wrote: ----
There are a number of places in my app where I want the user to work
with an item (a real physical item referred to by its stock number) If
such an item hasn't been selected, I redirect the user to a page to
select one. Then having selected one, want to redirect them back from
where they came (passing the stockitemID ). It's this latter part
(redirection from where they came) that's bugging me
I'm using a datagrid to display the items that fit the search criteria.
One of the columns is a hyperlink that needs to redirect the user back
to the page that they came from
At 1st when I had only one page, I hard coded the return page like this
<item template><a href='returnpag e.aspx?itemid=< #%databinder.ev al(container.da taitem,
"ID")%>.... and the rest..... </a></item template
I need to change "returnpage.asp x" to reflect the page that the user
came from. It's not getting the value that's the problem, it's getting
that value into the above statement
Subsequently, I made the item template contain <an asp:hyperlink> in the
hope that I could manipulate the navigateURL property in the code
behind. However, I get an "Object reference not set to an instance of
an object" error when I try that. (It seems that "ids" of items within
datagrids aren't what they seem!
I thought of passing the returnURL to the SQL server stored proc and
passing it back again. That would definitely work (I could refer to the
return page using th
<%# databinder.eval .....%
syntax, but it seems very silly to pass a parameter only to return it
back again
There must be another way! Any advice gratefully received
--
Pau This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics |
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There are a number of places in my app where I want the user to work
with an item (a real physical item referred to by its stock number) If
such an item hasn't been selected, I redirect the user to a page to
select one. Then having selected one, want to redirect them back from
where they came (passing the stockitemID ). It's this latter...
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such an item hasn't been selected, I redirect the user to a page to
select one. Then having selected one, want to redirect them back from
where they came (passing the stockitemID ). It's this latter...
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where they came (passing the stockitemID ). It's this latter...
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