Theme development

I just want to add class to .form-item if there is error on form i used the following code but its not working.

Hello all,

I have a problem with the theme pager.

The situation : I have a search form. When I submit this form, I display the results in a table on the same page with a pager. This is ok for the form, and for the display of results in the table pager, but, when I change the page, the table disappear because I am working on the same page.

Summary of the code :

Form creation :

I am theming a form that has a submit callback function, however, that function is lost or never runs when the form submits. Why? How do I solve this?

Abbreviated code for readability:

i use impact theme, i like the pc viewing structure but if using mobile phone, the viewing structure is different.

how do i modify to let this them has same viewing structure by phone or pc?

Hi Im new to drupal, can you view the html code from viewing in drupal itself? i am wanting to add code to change the background of input fields. pretty much i want to edit the shape of an input fields and not sure if going through the server side is the only way to do this?
thanks

Hi !

Since 2 hours, i search how show custom field on the profile form. I want users can edit fields like public mail, steam id, sex,...

I try with custom template for the form but when print drupal_render($form['group_info_perso']['field_sex']); don't work.

Thx for help !