pass textbox to variable and variable pass to sessionbean query ( see code)
sir i try get input in textbox and replace in variable and pass in sessionbean query
sir i post you my code and error
button1 code======
public String button1_action() {
//yy.setValue(currentss);
//yy.setValue(new Integer(tt.getValue().toString()));
Integer currentssgg = new Integer(tt.getValue().toString());
String cddg = (String) tt.getValue().toString();
try {
getSessionBean1().getTripRowSet().setObject(1,currentssgg);
tripDataProvider.refresh();}
catch (Exception e) {
error("Cannot switch to person ");}
return null;}
}
prerender()==========
public void prerender() {
Integer currentss = new Integer(tt.getValue().toString());
try {
getSessionBean1().getTripRowSet().setObject(1,currentss);
tripDataProvider.refresh();}
catch (Exception e) {
error("Cannot switch to person ");}
}
error in jsp page runtime browser show this error ===========
Exception Details: java.lang.NullPointerException
null
Possible Source of Error:
Class Name: webapplication7.Page1
File Name: Page1.java
Method Name: prerender
Line Number: 374
Source not available. Information regarding the location of the exception can be identified using the exception stack trace below.
Stack Trace:
and more
please give me idea how pass textbox to variable and variable pass to sessionbean query
thank's aamir
