private static bool HasValue(object pTarget, PropertyRequiredRuleArgs pArgs)
{
object value = ExtendedReflectionFns.GetPropertyValue(pTarget, pArgs.RequiredPropertyInfo);
if (value == null)
{
return(false);
}
if (value is string && ((string)value).Trim().Length == 0)
{
return(false);
}
if (value is BusinessBase && ((BusinessBase)value).IsNull)
{
return(false);
}
return(true);
/*
* if ( pArgs.MissingValue == null ) {
* return true; // value is non-null and test value is null
* } else {
* return !pArgs.MissingValue.Equals(value);
* }
*/
}
public static RuleMethod CreateRuleMethod(Type pTargetType, string pPropertyName, object pMissingValue)
{
PropertyRequiredRuleArgs args =
new PropertyRequiredRuleArgs(pTargetType, pPropertyName);
RuleMethod rule = new RuleMethod(PropertyRequiredHandler, args);
return(rule);
}
private static bool PropertyRequiredHandler(object pTarget, RuleArgs pArgs)
{
PropertyRequiredRuleArgs args = (PropertyRequiredRuleArgs)pArgs;
bool ok = HasValue(pTarget, args);
if (ok)
{
return(true);
}
args.Description =
string.Format(Properties.Resources.StringRequiredRule, args.DisplayPropertyName);
return(false);
}
