public virtual SyncContext GetChanges(SyncGroupMetadata groupMetadata, SyncSession syncSession)
{
    SyncContext gtc=new SyncContext ();
    ("I want to execute "SELECT * FROM Talename" here)
    return gtc;
}
public virtual SyncContext GetChanges(SyncGroupMetadata groupMetadata, SyncSession syncSession)
{
    SyncContext gtc=new SyncContext ();
    ("I want to execute "SELECT * FROM Talename" here)
    return gtc;
}