public static string _GetQueryStringFirst(this IQueryCollection d, string key, string defaultStr = "", StringComparison comparison = StringComparison.OrdinalIgnoreCase, bool autoTrim = true)
{
if (key._IsEmpty())
{
throw new ArgumentNullException(nameof(key));
}
if (d == null)
{
return(defaultStr);
}
var matchList = d.Where(x => x.Key._IsSameTrim(key, comparison));
if (matchList.Any() == false)
{
return(defaultStr);
}
StringValues values = matchList.First().Value;
string?ret = values.Where(x => (autoTrim ? x._IsFilled() : x != null)).FirstOrDefault();
if (ret._IsEmpty())
{
return(defaultStr);
}
if (autoTrim)
{
ret = ret._NonNullTrim();
}
return(ret);
}