Loads all the groups by user. 

This method can be accessed through the User.asmx file located in:

~/Workarea/webservices/WebServiceAPI/User/User.asmx

[SoapHeader("AuthHeader")]
[SoapHeader("RequestInfoHeader")]
[WebMethod(MessageName = "GetGroupsUserIsIn", Description = "")]
public GroupData[] GetGroupsUserIsIn(long UserId, string OrderBy);

<SoapHeader("AuthHeader")>
<SoapHeader("RequestInfoHeader")>
<WebMethod(MessageName = "GetGroupsUserIsIn", Description = "")>
Public Function GetGroupsUserIsIn(UserId As long, OrderBy As string) As GroupData()