Vb.net select value in dropdown menu in webbrowser

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VB

.NET

DropDownList

select data-dropdownify-type="month" data-dropdownify-label="Month" name="birthday.month">

      option value=></option>   
      option value="1">January</option>
      option value="2">February</option>  

  </select>

hey ive been stuck on doing this for a week trying to find it on the internet too on how to do it myself, but no luck i decided to ask anyone who can help

basically thats the source code on the website for the dropdown menu, its to select the month of year, i just want a button which will select "january" when it is pressed.

thank u

What I have tried:

searched on the internet for days, no luck on any code shared or found