private bool CheckDuplicateCategory() { for (int i = 0; i < CategoryCmbx.Items.Count; i++) { if (CategoryTxt.Text == CategoryCmbx.GetItemText(CategoryCmbx.Items[i])) { return(true); } } return(false); }
private void UpdateAllCategoryCmbx() { CategoryCmbx.DataSource = null; CategoryCmbx.DataSource = database.Categories.ToList(); CategoryCmbx.DisplayMember = "CategoryName"; CategoryCmbx.ValueMember = "CategoryID"; CategoryCmbx.Refresh(); TransactionCategoryCmbx.DataSource = null; TransactionCategoryCmbx.DataSource = database.Categories.ToList(); TransactionCategoryCmbx.DisplayMember = "CategoryName"; TransactionCategoryCmbx.ValueMember = "CategoryID"; TransactionCategoryCmbx.Refresh(); RemoveCategoryCmbx.DataSource = null; RemoveCategoryCmbx.DataSource = database.Categories.ToList(); RemoveCategoryCmbx.DisplayMember = "CategoryName"; RemoveCategoryCmbx.ValueMember = "CategoryID"; RemoveCategoryCmbx.Refresh(); RemoveBudgetCmbx.DataSource = null; RemoveBudgetCmbx.DataSource = database.Categories.ToList(); RemoveBudgetCmbx.DisplayMember = "CategoryName"; RemoveBudgetCmbx.ValueMember = "CategoryID"; RemoveBudgetCmbx.Refresh(); ViewBudgetCategoryCmBx.DataSource = null; ViewBudgetCategoryCmBx.DataSource = database.Categories.ToList(); ViewBudgetCategoryCmBx.DisplayMember = "CategoryName"; ViewBudgetCategoryCmBx.ValueMember = "CategoryID"; ViewBudgetCategoryCmBx.Refresh(); UpdateBudgetCmbx.DataSource = null; UpdateBudgetCmbx.DataSource = database.Categories.ToList(); UpdateBudgetCmbx.DisplayMember = "CategoryName"; UpdateBudgetCmbx.ValueMember = "CategoryID"; UpdateBudgetCmbx.Refresh(); }