/// ======================================================================
public static bool IsValid(IValidable obj)
{
if (obj == null)
{
return(false);
}
return(obj.IsValid());
}
/// <summary>
/// Extension method to assign css class for a asp.net control based on a condition
/// </summary>
/// <param name="container"></param>
/// <param name="condition"></param>
/// <param name="className"></param>
/// <returns></returns>
public static string CssClassIfInvalid(this Control container, IValidable item, string propertyName, string errorStyle)
{
if (!item.IsValid())
{
// find the matching property
ValidationError valError = item.ValidationErrors().Find(vError => vError.PropertyName.EqualsIgnoreCase(propertyName));
if (valError != null)
{
return(errorStyle);
}
}
return(string.Empty);
}
/// <summary>
/// Checks if all the IValidable children are Valid (elem.IsValid())
/// </summary>
/// <param name="root"></param>
/// <returns></returns>
public static bool AreAllChildrenValid(this FrameworkElement root)
{
if (root == null)
return true;
foreach (Control ctrl in root.FindAllChildren<IValidable>())
{
IValidable test = ctrl as IValidable;
if (test != null)
if (test.IsValid() == false)
{
return false;
}
}
return true;
}