Seal.Model.Report.RemoveSource C# (CSharp) Method

        public void RemoveSource(ReportSource source)
        {
            if (Sources.Count == 1) throw new Exception("The report must contain at least a Data Source");

            foreach (var model in Models.Where(i => i.SourceGUID == source.GUID))
            {
                if (model.Elements.Count > 0 || !string.IsNullOrEmpty(model.RestrictionText)) throw new Exception(string.Format("The source '{0}' is already used by a model.", source.Name));
                model.SourceGUID = Sources.First(i => i.GUID != source.GUID).GUID;
            }
            Sources.Remove(source);
        }