"Ren" <nospam@nospam.org> wrote in message
news:ikmif312kc2n1sucbqfihblacabt484hgh@4ax.com...
> Hello all,
>
> I am trying to localize some of the web methods in my web service so
> I've created an enum in my web service of the allowed languages:
>
> public enum Language
> english
> french
> end enum
>
> The first parameter in my new web methods is of the type "language".
> On my client side if I pass either "english" or "french" everything is
> fine, however if I leave the parameter blank I receive the error:
>
> Cannot convert to WebService.Service+Language.
> Parameter name: type --> Must specify valid information for parsing in
> the string.
>
> Is there anyway that I can accept either a blank (null) or an enum
> value for this parameter without throwing this error if the value is
> blank? I'd like to be able to default the language to english if no
> language is specified.

<john.saunders at trizetto.com> wrote:

>"Ren" <nospam@nospam.org> wrote in message
>news:ikmif312kc2n1sucbqfihblacabt484hgh@4ax.com...
>> Hello all,
>>
>> I am trying to localize some of the web methods in my web service so
>> I've created an enum in my web service of the allowed languages:
>>
>> public enum Language
>> english
>> french
>> end enum
>>
>> The first parameter in my new web methods is of the type "language".
>> On my client side if I pass either "english" or "french" everything is
>> fine, however if I leave the parameter blank I receive the error:
>>
>> Cannot convert to WebService.Service+Language.
>> Parameter name: type --> Must specify valid information for parsing in
>> the string.
>>
>> Is there anyway that I can accept either a blank (null) or an enum
>> value for this parameter without throwing this error if the value is
>> blank? I'd like to be able to default the language to english if no
>> language is specified.
>
>Could you do that in VB? Is blank or null a valid value for your enum?
>
>If you're using .NET 2.0, you could try using a nullable type for your
>parameter. It would be of type Nullable(Of Language).

"Ren" <nospam@nospam.org> wrote in message
news:soblf3dnou43r131ph0q7hm4c1633ortaf@4ax.com...
> On Tue, 25 Sep 2007 15:15:47 -0400, "John Saunders [MVP]"
> <john.saunders at trizetto.com> wrote:
>
>>"Ren" <nospam@nospam.org> wrote in message
>>news:ikmif312kc2n1sucbqfihblacabt484hgh@4ax.com...
>>> Hello all,
>>>
>>> I am trying to localize some of the web methods in my web service so
>>> I've created an enum in my web service of the allowed languages:
>>>
>>> public enum Language
>>> english
>>> french
>>> end enum
>>>
>>> The first parameter in my new web methods is of the type "language".
>>> On my client side if I pass either "english" or "french" everything is
>>> fine, however if I leave the parameter blank I receive the error:
>>>
>>> Cannot convert to WebService.Service+Language.
>>> Parameter name: type --> Must specify valid information for parsing in
>>> the string.
>>>
>>> Is there anyway that I can accept either a blank (null) or an enum
>>> value for this parameter without throwing this error if the value is
>>> blank? I'd like to be able to default the language to english if no
>>> language is specified.
>>
>>Could you do that in VB? Is blank or null a valid value for your enum?
>>
>>If you're using .NET 2.0, you could try using a nullable type for your
>>parameter. It would be of type Nullable(Of Language).
>
>
> Hi John, thanks for your reply. I should have specified that I'm
> still using version 1.1 of the framework and coding in VB. I'm not
> sure how to specify blank as a valid value in my enum since "" is an
> invalid value. I'd like to specify both "" (blank) and Nothing as
> valid values in the enum but don't think that's possible.
>
> I suppose that I could try and enclose the enum in a wrapper class.
> I'm coming to the conclusion that an enum is probably not the best way
> to do what I'm trying to do.

<john.saunders at trizetto.com> wrote:

>
>My point was that, since you can't use blank or null as a value for an enum
>in VB, it doesn't make sense to try to do that in a web service.

"Ren" <nospam@nospam.org> wrote in message
news:koaqf3505effs55hs6kv3u09aqvm872pjk@4ax.com...
> On Wed, 26 Sep 2007 19:05:57 -0400, "John Saunders [MVP]"
> <john.saunders at trizetto.com> wrote:
>
> <snip>
>>
>>My point was that, since you can't use blank or null as a value for an
>>enum
>>in VB, it doesn't make sense to try to do that in a web service.
>
> Thanks for the clarification John. What would be the best way to
> implement this then, if I want to have only the options "english,
> french, blank/nothing" shown in the wsdl? Thanks for your patiance,
> I'm still fairly knew to all this.