/// <summary>
/// This query-builder method creates a new query whose results are the
/// first 'count' results of this query.
/// </summary>
/// <param name="count">
/// Specifies the number of results to return. This must be either a constant or
/// a parameter reference.
/// </param>
/// <param name="parameters">
/// An optional set of query parameters that should be in scope when parsing.
/// </param>
/// <returns>
/// a new ObjectQuery instance.
/// </returns>
/// <exception cref="ArgumentNullException">
/// If the top count command text is null.
/// </exception>
/// <exception cref="ArgumentException">
/// If the top count command text is empty.
/// </exception>
public ObjectQuery <T> Top(string count, params ObjectParameter[] parameters)
{
EntityUtil.CheckArgumentNull(count, "count");
if (StringUtil.IsNullOrEmptyOrWhiteSpace(count))
{
throw EntityUtil.Argument(System.Data.Entity.Strings.ObjectQuery_QueryBuilder_InvalidTopCount, "count");
}
return(new ObjectQuery <T>(EntitySqlQueryBuilder.Top(this.QueryState, this.Name, count, parameters)));
}
/// <summary>Limits the query results to a specified number of items.</summary>
/// <returns>
/// A new <see cref="T:System.Data.Entity.Core.Objects.ObjectQuery`1" /> instance that is equivalent to the original instance with TOP applied.
/// </returns>
/// <param name="count">The number of items in the results as a string. </param>
/// <param name="parameters">An optional set of query parameters that should be in scope when parsing.</param>
/// <exception cref="T:System.ArgumentNullException"> count is null.</exception>
/// <exception cref="T:System.ArgumentException"> count is an empty string.</exception>
public ObjectQuery <T> Top(string count, params ObjectParameter[] parameters)
{
Check.NotEmpty(count, "count");
return(new ObjectQuery <T>(EntitySqlQueryBuilder.Top(QueryState, Name, count, parameters)));
}
