ADF 11g + Select Boolean CheckBox becomes readonly

Hi All,
I have a view object, in which I added a transient attribute called as "InActive". And I added this VO as an ADF:Table on to the JSPX page.
1) My requirement is that if the other column called "EndDate" got any value ( any date value) then the "InActive" checkbox need to be autoselected.
And the users have the option of the de-selecting it.
2) The requirement is such a way that based on this "EndDate" column we are assuming that the current row/records is active or inactive in database.
So using this checkbox attribute, if the checkBox is selected for the row, then we are setting the "EndDate" column with "sysdate" and if they are unselecting any exisiting
checkbox, the same row will get updated with "EndDate" to null. Every thing is working fine for me with the code I have.
3) The road block I'm facing here is that I'm setting the attribute 'selected="#{row.EndDt != null ? true : false}" '. This is properly setting the checkbox "Inactive" values based on the "EndDate" column from the
database. But the entire check box column becomes read only, which does not allow me to edit.
4) If I set the value expression for the "Inactive" transient boolen attribute at the VO level, with the following as the value expression: 'EndDt != null ? true : false', if also sets the checkbox values properly, and moreover
the check box also editable, which is what we are expecting, but on submission of the page, the checkbox attribute is still pointing to the old/default value even though we change the value of the checkbox.
For example if the checkbox was got selected on load of the page, and if I unselects, and submits, it still shows that checkbox value as true.
So it would be greatly help ful to me if some one can provide me any hint on this.
Below is the code snippet I'm using for this in backing bean to process the logic.
int totalRows = this.t1.getRows();
ArrayList InactivatedrowIndexes = new ArrayList();
ArrayList ActivatedrowIndexes = new ArrayList();
for (int i = 0; i < totalRows; i++) {
JUCtrlHierNodeBinding rowData =
(JUCtrlHierNodeBinding)this.t1.getRowData(i);
Boolean check = (Boolean)rowData.getRow().getAttribute("Inactive"); // Inactive is the transient boolean attribute in VO - which has the value expression as EndDt != null ? true : false
if (check == true) {
InactivatedrowIndexes.add(i);
if (check == false) {
ActivatedrowIndexes.add(i);
System.out.println("******The row indexes to inactivate are: " +InactivatedrowIndexes);
System.out.println("******The row indexes to activate are: " +ActivatedrowIndexes);
Thanks & Regards,
Dharmathej M

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We have implemented the select and select all using check-box and it is working fine. Issue here is the performance is too slow
Assume SelectValue is the VO coulmn for the checkbox to select the values. To filter out the selected rows, we use the following line
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ADF 11g + Select Boolean CheckBox becomes readonly

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