----- Original Message ----- From: "Richard Spence" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Thursday, May 02, 2002 10:37 PM Subject: Re: [DOTNET] Dataset problem
> Try adding: #using <system.configuration> > Can you explain what use this will be? The configuration APIs are read-only, and I want to _write_ to a file. Also, I have used a config file as an example, but the situation is generic. I am doing something wrong (or DataSet is) because when the DataSet is persisted as XML it is putting the item outside of the collection that I specify. Richard > -----Original Message----- > From: dotnet discussion [mailto:[EMAIL PROTECTED]]On Behalf Of > Richard Grimes > Sent: Thursday, May 02, 2002 9:48 AM > To: [EMAIL PROTECTED] > Subject: [DOTNET] Dataset problem > > > I have tried every combination I can think of, but I cannot get this to > work. Has anyone got any suggestions? > > When I run this code I get the three <add> statements under the > <configuration> element and not under the <appSettings> element. > > Richard > > > www.grimes.demon.co.uk > > #using <mscorlib.dll> > #using <system.data.dll> > #using <system.dll> > #using <system.xml.dll> > > using namespace System; > using namespace System::Data; > > void ChangeValue(DataSet* data, String* name, String* value) > { > DataTable* dt = data->Tables->Item[S"appSettings"]; > if (dt != 0) > { > DataRelation* add = dt->ChildRelations->Item[S"appSettings_add"]; > if (add != 0) > { > DataTable* addTable = add->ChildTable; > DataRow* dr = addTable->NewRow(); > dr->Item[S"key"] = name; > dr->Item[S"value"] = value; > addTable->Rows->Add(dr); > } > } > } > > void main() > { > DataSet* data = new DataSet; > data->ReadXml( > AppDomain::CurrentDomain->SetupInformation->ConfigurationFile); > > ChangeValue(data, S"One", S"1"); > ChangeValue(data, S"Two", S"2"); > ChangeValue(data, S"Three", S"3"); > > data->AcceptChanges(); > data->WriteXml( > AppDomain::CurrentDomain->SetupInformation->ConfigurationFile); > } > > You can read messages from the DOTNET archive, unsubscribe from DOTNET, or > subscribe to other DevelopMentor lists at http://discuss.develop.com. > > You can read messages from the DOTNET archive, unsubscribe from DOTNET, or > subscribe to other DevelopMentor lists at http://discuss.develop.com. You can read messages from the DOTNET archive, unsubscribe from DOTNET, or subscribe to other DevelopMentor lists at http://discuss.develop.com.
