how to retrieve unique value from xml

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C#

C#4.0

C#5.0

hai friends

i have written a query to retrieve distinct xml node value using foreach
i am trying to retrive distinct BankName and TemplateModel from XML
can any one just a better way to write the query with ienumerable or something like that

my Xml is as follows

<Bank>
  <BankName BankName="DohaBank" TemplateModel="CT1">   
      <ChqBasics>      
      </ChqBasics>
      <XandYPosition>       
      </XandYPosition>
  </BankName>
  <BankName BankName="DohaBank" TemplateModel="CT2">   
      <ChqBasics>       
      </ChqBasics>
      <XandYPosition>        
      </XandYPosition>    
  </BankName>  
  <BankName BankName="IBQ" TemplateModel="CT1New">
        <ChqBasics>     
      </ChqBasics>
      <XandYPosition>     
      </XandYPosition>
   </BankName> 
</Bank>

my c# code

public List<string> bankload()
       {
           List<string> bankname=new List<string>();
           XDocument doc = XDocument.Load("newtest.xml");
          var result= (from item in doc.Descendants("BankName")
                   select (string)item.Attribute("BankName")).Distinct();
          foreach (var item in result)
          {
              bankname.Add(item.ToString());
          }
           return bankname;
       }

       public static List<string> templateload(string bankname)
       {
           List<string> templatename = new List<string>();
           XDocument doc = XDocument.Load("newtest.xml");
           var result = (from item in doc.Descendants("BankName")
                         where item.Attribute("BankName").Value == bankname
                         select (string)item.Attribute("TemplateModel")).Distinct();
           foreach (var item in result)
           {
               templatename.Add(item.ToString());
           }
           return templatename;
       }

i need to bind the result to a combobox