/// <summary>
/// Gets the collection of client validation rules,
/// which are applied to the property of the
/// model, accessed through the specified <paramref name="expression"/>.
/// </summary>
/// <param name="modelName">Specifies the name of the model,
/// which will prefix the validation rule member name.</param>
/// <param name="expression">A string expression to access the
/// model property.</param>
public FormValidationMetadata Rules(string modelName, string expression)
{
TemplateDescriptor descriptor = new TemplateDescriptor(
Context.ViewData.Template.Type) { Prefix = modelName };
descriptor.Prefix = descriptor.GetHtmlElementName(expression);
return new FormValidationMetadata(
CreateClientRules(GetRulesInternal(expression))
.Each(r => {
r.Field = CreateFieldName(descriptor, expression, r.Field);
}));
}
protected static string CreateFieldName(TemplateDescriptor descriptor,
string expression, string member)
{
return (String.Equals(expression, member, StringComparison.OrdinalIgnoreCase))
? descriptor.Prefix
: descriptor.GetHtmlElementName(member);
}