How can I set bind parameter as Default Display Value in JHeadstart

Hi,
I am using -
JDeveloper Studio Edition Version 10.1.3.1.0.3984
JHeadstart Release 10.1.3.1.26
Can anybody help me for the following:
I am using a super class of ViewObjectImpl where I am definning a bind parameter (Student ID) using login userid:
if ("p_std_id".equals(bindParam[0])) {
sLog.debug("executeQueryForCollection: found bind param p_std_id, setting value to " + studentNumber_from_LDAP);
bindParam[1] = studentNumber_from_LDAP;
Then I defined p_std_id in Bind Variables tab in VO Editor and used that in Where clause in the SQL Statement tab.
This is working fine.
Now what I want to do is:
I want to put the value of p_std_id as Default Display Value for a field.
Can anybody let me know how I can put the value of p_std_id in JHeadstart Application Definition?
Thanks
Syed Jabbar
University of Windsor
Windsor, ON, Canada

Hi Jan and Steven,
Thanks for your reply.
I need to show the default value in the table layout.
Steven, could you please give some more hints about EL Expression?
To obtain the value of p_std_id now and pass it on as bind param, I am using a class extending ViewObjectImpl. Inside that class I am using the following method:
I'd appreciate if you could help for the EL Expression.
Thanks
protected void executeQueryForCollection(Object Object, Object[] bindParams,
int i) {
String userId = ((ApplicationModuleImpl)getApplicationModule()).getUserPrincipalName();
try{
getLdapInfo(userId);
catch(Exception e) {
sLog.debug("executeQueryForCollection: Userid = " + userId);
if (bindParams != null)
for (int j = 0; j < bindParams.length; j++)
Object[] bindParam = (Object[])bindParams[j];
if ("p_user_id".equals(bindParam[0])) {
sLog.debug("executeQueryForCollection: found bind param p_user_id, setting value to " + userId);
bindParam[1] = userId;
if ("p_emp_id".equals(bindParam[0])) {
sLog.debug("executeQueryForCollection: found bind param p_emp_id, setting value to " + employeeNumber_from_LDAP);
bindParam[1] = employeeNumber_from_LDAP;
if ("p_std_id".equals(bindParam[0])) {
sLog.debug("executeQueryForCollection: found bind param p_std_id, setting value to " + studentNumber_from_LDAP);
bindParam[1] = studentNumber_from_LDAP;
super.executeQueryForCollection(Object, bindParams, i);
Thanks
Syed

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