html - Webbrowser select value from dynamic combobox -


i trying automate form being filled out webbrowser control vb.net

the problem there 2 comboboxes, second having values generated depending on first one. can correct index selected first combobox, second values never generated. have manually select value first combobox , second populated.

i have tried setting/removing focus of first combobox try , second populate, has not worked.

my current code is:

''select first combo box dim make htmlelement make = webbrowser1.document.getelementbyid("cars.carmake_s") make.setattribute("selectedindex", 1) webbrowser1.update()   ''should select second value, doesn't dim model htmlelement model = webbrowser1.document.getelementbyid("cars.carmake_s+cars.carmodel_s") model.setattribute("selectedindex", 2) webbrowser1.update()

the html code playing (cut down):

    <div class="form-row clearfix"> <label for="cars.carmake_s">     make<span class="orange">*</span>     </label> <div class="form-value">     <div class="c-select-list c-slctbx-medium">             <span class="c-icon c-icon-arrow-green-down"></span>                 <select id="cars.carmake_s" name="attributemap[cars.carmake_s]" class="c-slctbx-depnode c-slctbx-medium" name="attributemap[cars.carmake_s]"><option value="">please choose</option>                 <option value="alpharomeo"                                 >                             alfa romeo</option>  .... ... ...                                                  </select></div>         </div>     <div class="form-row clearfix"> <label for="cars.carmodel_s">     model<span class="orange">*</span>     </label> <div class="form-value">     <div class="c-select-list c-slctbx-medium">             <span class="c-icon c-icon-arrow-green-down"></span> <!-->####this second combobox , gets populated depending on first combobox<!-->             <select id="cars.carmake_s+cars.carmodel_s" name="attributemap[cars.carmodel_s]" class=" c-slctbx-medium" name="attributemap[cars.carmodel_s]"><option value="">please choose</option>                 </select></div>         </div>     </div>

you might try following:

curelement.setattribute("value", "value want")

curelement.raiseevent("onchange")


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