public object BindModel(ControllerContext controllerContext, ModelBindingContext bindingContext)
{
// Html.ValidationMessageFor() requires an errorMessage (over an exception) to be set when adding errors to the ModelState
DateTime result;
if (bindingContext == null) {
throw new ArgumentNullException("bindingContext");
}
// datetime split over 3 inputs
if (bindingContext.ValueProvider.ContainsPrefix(bindingContext.ModelName + ".Year") &&
bindingContext.ValueProvider.ContainsPrefix(bindingContext.ModelName + ".Month") &&
bindingContext.ValueProvider.ContainsPrefix(bindingContext.ModelName + ".Day")) {
string year, month, day;
if (bindingContext.TryGetValue(".Year", out year) &&
bindingContext.TryGetValue(".Month", out month) &&
bindingContext.TryGetValue(".Day", out day)) {
if (DateTimeFunctions.TryCreate(year, month, day, out result)) {
return result;
}
bindingContext.ModelState.AddModelError(bindingContext.ModelName, string.Format(@"""{0}/{1}/{2}"" is not a valid date", year, month, day));
return null;
}
}
// normal datetime
if (bindingContext.ValueProvider.ContainsPrefix(bindingContext.ModelName)) {
string date;
if (bindingContext.TryGetValue(out date)) {
if (DateTime.TryParse(date, out result)) {
return result;
}
bindingContext.ModelState.AddModelError(bindingContext.ModelName, string.Format(@"""{0}"" is not a valid date", date));
return null;
}
}
bindingContext.ModelState.AddModelError(bindingContext.ModelName, "Unable to bind the date/time");
return null;
}
