Refactored SearchParameter dictionary declaration

gistfile1.cs

// All site search criteria in a dictionary for easy lookup/manipulation
// when dynamically building the query.
public static Dictionary<string, SearchParameter> GetSearchCriteria()
{
   var results = new Dictionary<string, SearchParameter>
      {
         {
            "SiteID", new SearchParameter
               {                        
                  VariableName = "site_uid",
                  ParameterType = typeof(string),
                  WhereClause = "(it.site_uid LIKE {0})",
                  IsWildcardSearch = true
               }
         },
         {
            "SiteName", new SearchParameter
               {                        
                  VariableName = "site_name",
                  ParameterType = typeof(string),
                  WhereClause = "(it.site_name LIKE {0})",
                  IsWildcardSearch = true
               }
         },
         {
            "MarketName", new SearchParameter
               {
                  VariableName = "market_name",
                  ParameterType = typeof(string),
                  WhereClause = "(it.market_name = {0})",
                  AllowsMultipleValues = true
               }
         },
         {
            "SiteClassDesc", new SearchParameter
               {
                  VariableName = "site_class_desc",
                  ParameterType = typeof(string),
                  WhereClause = "(it.site_class_desc = {0})",
                  AllowsMultipleValues = true
               }
         },
         {
            "SiteStatusDesc", new SearchParameter
               {
                  VariableName = "site_status_desc",
                  ParameterType = typeof(string),
                  WhereClause = "(it.site_class_desc = {0})",
                  AllowsMultipleValues = true
               }
         },
         {
            "SiteOnlineFrom", new SearchParameter
              {
                  VariableName = "SiteOnlineFrom", 
                  ParameterType = typeof(DateTime),
                  WhereClause = "(it.site_online_date >= {0})"                   
              }
          },
          {
             "SiteOnlineTo", new SearchParameter
              {
                  VariableName = "SiteOnlineTo", 
                  ParameterType = typeof(DateTime),
                  WhereClause = "(it.site_online_date <= {0})"                   
              }
          },
          {
             "SiteOnlineRange", new SearchParameter
              {
                  VariableName = "SiteOnlineRange", 
                  ParameterType = typeof(DateTime),
                  WhereClause = "(it.site_online_date >= {0} AND it.site_online_date <= {1})",
                  IsRangeSearch = true
              }
          },
          {
             "SiteOnlineStatusYN", new SearchParameter
              {                   
                  VariableName = "SiteOnlineStatusYN",
                  ParameterType = typeof(Boolean),
                  WhereClause = "(it.site_online_status_yn = {0})"
              }
          }
      };

   return results;
}