Breeze.ContextProvider.BreezeMetadataValidator.RequiredValidator.Validate C# (CSharp) Method

      internal override string Validate(object value) {
        if (value == null) {
          return "A value is required.";
        }
        var s = value as string;
        if (s != null && String.IsNullOrWhiteSpace(s)) {
            return "A value is required.";
        }
        return null;
      }
    }