Problem loading <span> tag content into codebin

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I am making a javascript to play the result of a query in a tag , however the query is not displayed in tag. I am on the same page and calling the function by codebehide.

  function preenche_tit(tit_num_ptd, hea_end_ptd) { 
     self.opener.END.innerHTML = "&nbsp;&nbsp;" + trim(hea_end_ptd) + "&nbsp;" + trim(tit_num_ptd) + "&nbsp;";
    }

 <span class="form-control" id="END">&nbsp</span>
javascript asp.net

  • look if runat=server in your span tag works.

  • It didn’t work. I’m doing so: Document.getElementById('END'). innerHTML = ... E returns: Document.getElementById(...) is null

  • At what point are you using this Javascript function? Move the script to the end of the body tag and test.

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