/// <summary>
/// Determines whether [is group valid] [the specified model state].
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="modelState">State of the model.</param>
/// <param name="model">The model.</param>
/// <param name="groupName">Name of the group.</param>
/// <returns>
/// <c>true</c> if [is group valid] [the specified model state]; otherwise, <c>false</c>.
/// </returns>
public static bool IsGroupValid <T>(this ModelStateDictionary modelState, T model, string groupName)
{
if (modelState == null)
{
throw new ArgumentNullException("modelState");
}
if (model == null)
{
throw new ArgumentNullException("model");
}
if (string.IsNullOrEmpty(groupName))
{
return(modelState.IsValid);
}
return(modelState.IsGroupValid(model, groupName.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries).Select(s => s.Trim())));
}
