c# - Javascript function to hide HTML textbox on PageLoad -


so have search textbox @ top of website in master page wish disappear when user transferred search page. textbox written so:

  <div class = "searchbox">     <form action="javascript:searchsite()">       <input type="text" id="searchin" />     </form>   </div>

the best way think have javascript run on pageload event of search page, so: 

protected void page_load(object sender, eventargs e)     {        if (!ispostback)         {             this.clientscript.registerstartupscript(this.gettype(), "show", "<script>document.getelementbyid('searchin').style.display = 'none'</script>");         }    }

i javascript works, because textbox disappear second or two. regardless, comes , won't remain hidden. have asp:textbox can hide using: 

  site1 m = master site1;         m.othertextbox.visible = false;

i don't understand why hiding html textbox difficult. suggestions or thoughts on how remedy appreciated!

page_load server-side event, have wait element loaded on client side. can wrap js code in window.onload handler:

this.clientscript.registerstartupscript(this.gettype(), "show", "<script>window.onload = function() { document.getelementbyid('searchin').style.display = 'none'; }</script>");

also, use display: none explained slaks.


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