After the from form submits data, the background object cannot accept the value.

After the from form submits data, the background object cannot accept the value.

If, in the SSH framework, a null value is displayed in the background object after the data is submitted through the from form on the previous page, that is, the value cannot be received. First, make sure that there is a value in the input box in the previous step. You can use the jQuery id or name selector alert to bring up the test at the time of submission. If a value is displayed in the previous section. You can go to the background action to check whether the accepted object has given the get and set methods.