/// <summary>
/// Gets the query value by a specific key.
/// </summary>
/// <param name="key">The key.</param>
/// <param name="separator">An optional string to use as a separator is included in the returned string only if it has more than one value.</param>
/// <returns>The query value.</returns>
public string GetValue(string key, string separator = null)
{
var arr = ListExtensions.GetValues(this, key).ToList();
if (arr.Count == 0)
{
return(null);
}
return(string.Join(separator ?? ValueSeparator ?? string.Empty, arr));
}
/// <summary>
/// Gets the query value by a specific key.
/// </summary>
/// <param name="key">The key.</param>
/// <param name="ignoreEmpty">true if ignore empty; otherwise, false.</param>
/// <returns>The query value. The last one for multiple values..</returns>
public string GetLastValue(string key, bool ignoreEmpty = false)
{
var col = ListExtensions.GetValues(this, key);
return(ignoreEmpty ? col.LastOrDefault(item => !string.IsNullOrWhiteSpace(item)) : col.LastOrDefault());
}