Hello peers!
I'm working on this application and I'm in need for some thoughtful advice
:-p
I have an SQLDataSource with params, select, etc.
One of my params is the table name, which can be programmaticall y set, this
is necessary because I may have a
simple table name or a union, hence I got to pick the correct one!
Unfortunately, I can't bind this parameter to a control, session or
whatever, my table names are embedded in my
source code as a constant array of strings.
Googling around I found out that SQLServer is being mislead by the parameter
position - I just want a table NAME there, not a
table variable!
Is there any way I can tell to the SQLDataSource that I need a table NAME
parameter? :D
Alternatively, how can I populate such a table variable so that it contains
the correct table contents?
Any hints?
TIA,
Andrew 3 2846
Up to now I have tried several ways to make it work:
- wrapping parameter in square brackets(didn't work, it thought it was the
name of the table... sigh!)
- Setting the extended properties and declaring the parameter of type
string(to no avail.... still complaining about the table variable)
- I also thought I'd maybe be luckier declaring the table variable and
using a select, but I'd still be prompted with the usual problem...
Maybe a stored procedure with a parameter would work?
Any ideas?
Andrew
Not sure how you are doing this for now but (if you are using parametized
queries) basically parameters are not a macro substitution thing i.e. a
parameter value can't be used in a SQL Statement to provide the table name
(if can replace "values" not a table name or the name of the fields in the
SELECT clause etc...).
Not sure what is your logic but :
- I would likely hide this with a stored procedure
- You could also dynamically create the FROM clause.
- you can isnert data into the tabvle variable using an INSERT statement
Another option would be to go back earlier in the design. Isn't this table
part of the union ? If yes you could just always use the union with the
appropriate criteria. What is the concept difference between this table and
the union ?
Bascially the idea would be that this issue is not to be solved at the
SQLDataSource level. It would be IMO better to hide this behind what is
exposed by SQL Server....
--
Patrice
"Andrea Raimondi" <ra****@plug-in.ita écrit dans le message de groupe de
discussion : Os************* *@TK2MSFTNGP03. phx.gbl...
Hello peers!
I'm working on this application and I'm in need for some thoughtful advice
:-p
I have an SQLDataSource with params, select, etc.
One of my params is the table name, which can be programmaticall y set,
this is necessary because I may have a
simple table name or a union, hence I got to pick the correct one!
Unfortunately, I can't bind this parameter to a control, session or
whatever, my table names are embedded in my
source code as a constant array of strings.
Googling around I found out that SQLServer is being mislead by the
parameter position - I just want a table NAME there, not a
table variable!
Is there any way I can tell to the SQLDataSource that I need a table NAME
parameter? :D
Alternatively, how can I populate such a table variable so that it
contains the correct table contents?
Any hints?
TIA,
Andrew
I recall SQL Server being qurky about things like this. I had tried writing
some SP's that took the table name as a parameter to build the SQL string
and couldn't get the to work properly. I posted on the SQL Server fourm and
got an explaination of why this is a problem but can't recall. I ended up
passing the name and then using it to hitting the system database to get to
the table.
"Andrea Raimondi" <ra****@plug-in.itwrote in message
news:Os******** ******@TK2MSFTN GP03.phx.gbl...
Hello peers!
I'm working on this application and I'm in need for some thoughtful advice
:-p
I have an SQLDataSource with params, select, etc.
One of my params is the table name, which can be programmaticall y set,
this is necessary because I may have a
simple table name or a union, hence I got to pick the correct one!
Unfortunately, I can't bind this parameter to a control, session or
whatever, my table names are embedded in my
source code as a constant array of strings.
Googling around I found out that SQLServer is being mislead by the
parameter position - I just want a table NAME there, not a
table variable!
Is there any way I can tell to the SQLDataSource that I need a table NAME
parameter? :D
Alternatively, how can I populate such a table variable so that it
contains the correct table contents?
Any hints?
TIA,
Andrew This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics |
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