BootstrapComponents.Components.Forms.FormGroup.InnerHtml C# (CSharp) Метод

        public override string InnerHtml()
        {
            var items = new List<IFormControl>();
            var dictionary = new Dictionary<string, bool>();
            foreach (var control in _controls.Select(c => c.Invoke(this)))
            {
                items.Add(control);
                if (control is Label)
                    dictionary[control.LabelId] = true;
                else
                    if (!dictionary.ContainsKey(control.LabelId)) dictionary[control.LabelId] = false;

            }
            foreach (var noLabel in dictionary.Where(x => !x.Value))
            {
                var label = new Label(this, noLabel.Key, noLabel.Key);
                label.Attrs["class"] += "sr-only";
                items.Add(label);
            }
            return string.Join("", items.Select(x => x.ToHtmlString()));
        }