private void button1_Click(object sender, EventArgs e) { DataPicker D = new DataPicker(); D.OpenT = DataPicker.ReportType.ExpenseReport; D.button2.Enabled = false; D.ShowDialog(this); string Date = D.MonthComboBox.SelectedItem.ToString(); if (Date != null) { string FileName = Application.StartupPath + "//Report//" + Date + "//EState.data"; float ESumm = General.ReadFromFileValue(FileName, 0); float BSumm = General.ReadFromFileValue(Application.StartupPath + "//BState.data", 0); A += (BSumm / ESumm); General.CheckForExitsDirectory(Application.StartupPath + "//Report//" + Date + "//CalcProductsData"); General.CheckForExitsFile(Application.StartupPath + "//Report//" + Date + "//CalcProductsData//" + ProductName + ".data"); SumLabel.Text = "Общая Сумма:" + A.ToString().Replace(",", ".") + " Сомони"; General.WriteToFileValue(Application.StartupPath + "//Report//" + Date + "//CalcProductsData//" + ProductName + ".data", A.ToString().Replace(".", ","), false); } }