To use a multibox, you need a getter and setter method in your form-bean
that returns/sets a String array.
Each element in this String array corresponds to the value of a checked
check-box.
Let's say you have a multibox coded like this:
<logic:iterate name="myFormForm" property="dataBaseRecords" id="record">
<html:multibox name="myFormBean" property="selectedDataBaseRecords">
<bean:write name="record" property="description"/>
</html:multibox>
</logic:iterate>
ie
1) myFormBean has a method 'getDataBaseRecords' that returns a collection.
2) Each object in the 'getDataBaseRecords' collection has a method
'getDescription', which is used to set the value of (and display against)
the checkbox.
3) myFormBean has methods 'get/setSelectedDataBaseRecords' coded as
follows:
private String[] selectedDataBaseRecords = new String[0];
public String[] getSelectedDataBaseRecords() { return
selectedDataBaseRecords; }
public void setSelectedDataBaseRecords(String[] value) {
selectedDataBaseRecords = value; }
The effect of the above will be to generate html as follows:
<input type="checkbox" name="selectedDataBaseRecords" value="[description
1]">
<input type="checkbox" name="selectedDataBaseRecords" value="[description
2]">
<input type="checkbox" name="selectedDataBaseRecords" value="[description
3]">
<input type="checkbox" name="selectedDataBaseRecords" value="[description
4]">
etc.
Initially none of the check-boxes are checked because I've coded
'getSelectedDataBaseRecords' to return a zero length array.
If you were to check the second and third check-boxes and submit the form,
'getSelectedDataBaseRecords' would then return an array of 2 elements, with
the values '[description 2]' and '[description 3]'.
Regards,
John
[EMAIL PROTECTED]
Ph (09) 372-5010
|---------+------------------------------->
| | Jignesh Kapadia |
| | <jignesh_kapadia2003|
| | @yahoo.com> |
| | |
| | 18/08/2004 12:33 PM |
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| Subject: multiple checkboxes
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Hi ,
I have a scenario in our aplication which we are developing with
Struts1.1. on first screen we are displaying bunch of records
retrieved from database. Each record will have checkbox in first
column. This check box wil be initially checked or unchecked
depending upon the value of a bean attribute. A user can chsnge this
.He/She can check or uncheck any check boxes for any records.On the
next screen it should show me the updated records. i.e. records which
are unchecked on previous page should be seen as unchecked and
records which are checked on previous page should be shown as
checked.
I tried this using <html:multibox tag but it is not working.
can somebody give a suggestion on this? It will be good help from your side
if you can give your expert feedback ASAP.
Thanks,
Jignesh Kapadia
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