/// <summary>
/// Concatenate values from a Dictionary to query parameters dictionary.
/// </summary>
public void AddQueryParameters(Dictionary <string, object> queryParamaters)
{
if (QueryParameters == null)
{
QueryParameters = new Dictionary <string, object>(queryParamaters);
}
else
{
QueryParameters = QueryParameters.Concat(queryParamaters).ToDictionary(x => x.Key, x => x.Value);
}
}