Have you consider wrapping your component 'creationDateFormat' with an If component - so that the date is only rendered if it is not null ?
There might be a drawback with the above approach. The default sorting on your date column might not work. Shing --- Manuel Thurn <[EMAIL PROTECTED]> wrote: > Hi! > > > > For a project I want to display a list of objects in > an html table. I'm > using the Table component of the contrib library of > Tapestry. One column > should show a formatted Date (or Calendar) object. > It works fine as long as > the Date is not null. But if the database contains > objects with null values > I get the following Exception: > > > > Unable to read OGNL expression.: source is null for > getProperty(null, > "tableRow") > > > > Here is a snippet of the .page file. creationDate is > a Calendar object. To > format it I get the Date with getTime() and use the > format parameter of the > Insert component. > > > > <component id="campaignTable" type="Contrib:Table"> > > <binding name="source" value="dataItems"/> > > <binding name="columns" value="literal:name, > description, creationDate"/> > > </component> > > > > <component id="creationDateFormat" type="Insert"> > > <binding name="value" > value="components.table.tableRow.creationDate.time"/> > > <binding name="format" value="dateFormat"/> > > </component> > > > > I would be happy if you could help me find a way to > handle this exception. > > > > Thanks, > > > > Manuel > > > > Home page : http://uk.geocities.com/matmsh/index.html ___________________________________________________________ Try the all-new Yahoo! Mail. "The New Version is radically easier to use" The Wall Street Journal http://uk.docs.yahoo.com/nowyoucan.html --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
