public static void FillComboBranches(ComboBox combo, IAppModule appModule) { var selectedItem = combo.SelectedItem; combo.Items.Clear(); combo.Items.Add("master"); foreach (var branchView in appModule.GetBranchViews().OrderBy(b => b.Branch)) { if (!string.IsNullOrEmpty(branchView.Branch)) combo.Items.Add(branchView.Branch); } combo.SelectedItem = selectedItem; }