On 17.Sep.2001 -- 06:43 PM, Chris Newland wrote:
> Hi All,
>
> I'm looking for a generic way to examine the columns in a row retrieved using esql:
>
> <esql:results>
> <xsp:logic>
> int cols = <esql:get-column-count/>;
> String colname;
> </xsp:logic>
>
> <esql:row-results>
> <xsp:logic>
> for (int i = 0; i < cols; i++)
> {
try
colname = <esql:get-column-name><esql:param
name="column"><xsp:expr>i</xsp:expr></esql:param></esql:get-column-name>;
^^^^^^^^^^
^^^^^^^^^^
<xsp:attribute> does not work as you'd expect -- it is needed to
construct XML tags dynamically that are outputted to the
transformation process. Here you'd need to construct different Java
code. Most included taglibs follow this convention to use
<prefix:param> tag for this.
> }
> </xsp:logic>
> </esql:row-results>
> </esql:results>
>
> but this throws an exception: No method matching getColumnName() found in interface
>java.sql.ResultSetMetaData. (i.e. the column attribute is not being picked up)
>
> Is it possible to add attributes to a logicsheet tag? I don't think it is but I
>can't think of another way of passing the parameter to the get-column-name tag.
>
> Is this possible?
Chris.
--
C h r i s t i a n H a u l
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