JavaScript

<script type ="text/javascript">
	    $(document).ready(function() {
	        	        var a = $("input#names").val();
	     
	        $("#tags").autocomplete({
	            url: "CodeFile1.cs\SearchNames",
	            data: $("input#names").val()
	        });
	        	    });
	</script>

<div class="ui-widget">
	<label for="names">Names: </label>
	<input id="names" />
</div>

public string[] SearchNames(string Name)
   {
       string [] Names = null;
       int i;
       i = 0;
       ServiceClient serviceClient = new ServiceClient();
       SearchResponse searchResponse = new SearchResponse();
       principalSearchResponse = bondInformationServiceClient.SearchPrincipals(principalSearchRequest);

                  foreach (Name name in SearchResponse.NameList)
           {
               Names [i] = name .nameField.ToString().Trim();
               i++;
           }
       }


       return Names ;
   }

var count=0;
var isMoreThanTwo=false;
for(i=0;i<ItemOrder.length;i++)
{
    var d=document.getElementById(ItemOrder[i]).value;
    for(a=0;a<ItemOrder.length;a++)
    {
       if(d==document.getElementById(ItemOrder[i]).value)
       {
          count++;
       }
       //if count>1 then user chose the current select's value in more than one select
       //otherwise count will always remain 1 if this select's value is unique
       if(count>1){isMoreThanTwo=true;break;}

    }
    if(isMoreThanTwo)break;
}
if(count<=1)
{
    //user chose a unique value for each select
}
else
{
   //error, user has selected duplicate values in the selects!
}

var thereAreDuplicates=false;
for(i=0;i<ItemOrder.length;i++) {
    var d=document.getElementById(ItemOrder[i]).value;
    for(a=i+1;a<ItemOrder.length;a++) {
       if(d==document.getElementById(ItemOrder[a]).value) thereAreDuplicates=true;
    }
    if(thereAreDuplicates)break;
}