public SitecoreQueryable(SitecoreQueryProvider <T> provider, Expression expression)
{
if (provider == null)
{
throw new ArgumentNullException("provider");
}
if (expression == null)
{
throw new ArgumentNullException("expression");
}
if (!typeof(IQueryable <T>).IsAssignableFrom(expression.Type))
{
throw new ArgumentOutOfRangeException("expression");
}
Provider = provider;
Expression = expression;
}
public SitecoreQueryable(Database database)
{
_database = database;
Provider = new SitecoreQueryProvider <T>(database);
Expression = Expression.Constant(this);
}