In case 1, the default widget used by web2py is 
SQLFORM.widgets.list.widget. In case 2, you are replacing that with the 
"string" widget, which is intended to work with a "string" field, not a 
"list" field.

Anthony

On Sunday, July 29, 2018 at 8:21:23 AM UTC-4, sandeep patel wrote:
>
>
> Hello All,
>
> In my case widget and list: string Field is not working properly.
>
> *Case 1 (Without Widget)*
> In this case, my form work proply with list:string Field
> # db.py
> db.define_table('content_ck',
>     Field('title', length=255),
>     Field('public_ck', 'boolean', default=True),
>     Field('text_ck', 'list:string')
>     )
> #default.py
> form = SQLFORM(db.content_ck)
>
> *Case 2 (With Widget)*
> In this case, my form does not append new Field after enter value in 
> text_ck Field even (+ - ) not have in form.
> # db.py
> db.define_table('content_ck',
>     Field('title', length=255),
>     Field('public_ck', 'boolean', default=True),
>     Field('text_ck', 'list:string',widget=SQLFORM.widgets.string.widget)
>     )
> #default.py
> form = SQLFORM(db.content_ck)
>
> am I doing anything wrong?
>
> Best/
>
>

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