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From Gokhan <>
Subject Cannot pass get variable to the sql:param, still same
Date Fri, 17 Jun 2005 07:12:23 GMT
Hello All,

I already tested with this setting before i post this mail.
Very interesting error i have in here. Still have the same reults.
I tried also go back to old version of JSTL too.
Any JSTL developer around?

Take care

Martin Cooper wrote:

>The first thing I would try is taking everything out of the
><sql:update> except the query string itself and the <sql:param>
>element, so that you're left with:
><sql:update dataSource="jdbc/zobarenk">
>    insert into test_table (testnumber_id) values (?)
>    <sql:param value="${param.testnumber}"/>
>Martin Cooper
>On 6/16/05, Gokhan <> wrote:
>>  Hello,
>>I just need to approve just something in site without disturbing general
>>MVC logic.
>>And decided JSTL sql:query facility.
>>I am in test.jsp and i can send user to another page with
>><a href="another_page.jsp?testnumber=2">Another Page</a>
>>And on another_page.jsp i just need to insert this testnumber to table
>>as a parameter.
>>I can see the value with <c:out value="${param.testnumber}"/>. yes
>>exactly i can see the number 2 on there.
>>it means i can get this value from param.testnumber right?
>>When i want to assign this value to sql query
>><sql:update dataSource="jdbc/zobarenk">
>>insert into test_table (testnumber_id) values (?)
>><fmt:parseNumber var="roll" value="${param.testnumber}"/> //Since it is
>><sql:param value="${roll}"/>
>>or with <sql:param><%request.getParameter("testnumber");%></sql:param>
>>or with <sql:param><c:out value="${param.testnumber}"/></sql:param>
>>or assign variable directly to the page scope and get it from there with
>><c:set var="testnumber_sucks" value="${param.testnumber}" scope="page" />
>><sql:param value="${pageScope.testnumber_sucks}"/></sql:update>
>>At the end of the all bloody ways i tried, i have this lovely error;
>>ERROR: null value in column "testnumber_id" violates not-null constraint
>>Because nothing inside of this lovely testnumber variable.
>>If i could have type conversion error i would be really happy, but i
>>have null.
>>My question is, if this variable param.testnumber is empty or null how
>>can i see the value of this parameter with c:out ?
>>If i can see this bloody value how i can't insert it to the table with
>>sql:param with the methods above.
>>Would it be related to _rt stuff or something?
>>I am using latest jstl 1.1.2 taglibs
>>Take care all,
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