Réponse acceptée !
<profile defaultProvider="SqlProvider" enabled="true">
<providers>
<clear />
<add name="SqlProvider"
type="System.Web.Profile.SqlProfileProvider"
connectionStringName="DBprofileConStr"
applicationName="ADP.FichesTravaux"
description="SqlProfileProvider for ADP.FichesTravaux" />
</providers>
<properties>
<add name="UO_Name" type="System.String" provider="SqlProvider"
serializeAs="String"
allowAnonymous="true"
defaultValue="default property value"
readOnly="false" />
</properties>
</profile>
en ecriture
/on cree son profil
ProfileBase prof = ProfileBase.Create(userName, true);
//on ajoute les UO a ses proprietes
string properties = string.Empty;
foreach (string UOName in UONames)
properties += string.Format("{0},",UOName);
prof.SetPropertyValue(Constant.PROFILE_PROPERTIE_NAME, properties);
prof.Save();
en lecture
SettingsContext profileContext = new SettingsContext();
profileContext.Add("UserName", userName);
profileContext.Add("IsAuthenticated", true);
//on recupere les proprietes du profil
SettingsPropertyValueCollection pvalues = provider.GetPropertyValues(profileContext, ProfileBase.Properties);