how to bind a dropdownlist values from website to another dropdownlist in windows form in c#

<select name="reason" onmouseover="tooltip.show(this.options[this.selectedIndex].text);" onmouseout="tooltip.hide();" style=" width : 380px; "><option value="">--- Please select ---</option>
<option value="BLACKLIST">Deal Registration ID is not provided</option>
<option value="CONFIGERROR">Customer is HP Direct</option>
<option value="CONTNONDISCPROD">Minimum Deal Thresholds not met</option>
<option value="HPDIRECT">Other</option>
<option value="INVPRODUCT">Please see separate e-mail Communication for Details</option>
<option value="MINDEALTHRESHNM">Mixed Business Units not permitted</option>
<option value="NOBJUSTIFICATION">Duplicate SQ Request</option>
<option value="NOREQUESTEDPRICES">Non Pilot Partner</option>
<option value="NORESPTOHPREQ">of the following reason(s)</option>
<option value="OTHER">IPG request containing supplies PL only(1N,5T,AU)</option>
<option value="PLEASESEESEPEM">Mismatched in the customer name</option>
<option value="PRODMIXNOTPERM">invalid products submitted</option>
<option value="PRODNOTINSQ">Not supported by HP Sales</option>
<option value="REFTOPREEXOPG">OPS Special Pricing Request Form is not provided</option>
<option value="REJECT1">T2 partner is not an approved OPS partner</option>
<option value="REJECT10">T2 partner has not answered "YES" to question 1 on the "OPS Special Pricing Request Form</option>
<option value="REJECT11">Some products are not part of the OPS program</option>
<option value="REJECT12">Mismatched in the T2 Partner name</option>
<option value="REJECT13">.</option>
<option value="REJECT14">.</option>
<option value="REJECT15">.</option>
<option value="REJECT16">.</option>
<option value="REJECT2">.</option>
<option value="REJECT3">.</option>
<option value="REJECT4">.</option>
<option value="REJECT5">.</option>
<option value="REJECT6">.</option>
<option value="REJECT7">.</option>
<option value="REJECT8">.</option>
<option value="REJECT9">.</option>
<option value="SQDUPLICATE">.</option>
<option value="TCDELIVERYFEEM">.</option>
<option value="TCINVALIDBASE">.</option>
<option value="TCMISSINGPRICE">.</option>
<option value="VOLUME">.</option></select>