protected void saveMedicineQuantityInformationButton_OnClick(object sender, EventArgs e) { string name = ""; int quantity = 0; foreach (GridViewRow row in medicineQuantityGridView.Rows) { System.Web.UI.WebControls.TextBox txtBox = (System.Web.UI.WebControls.TextBox)row.FindControl("TextBox"); name = row.Cells[0].Text; quantity = int.Parse(row.Cells[1].Text); medicineQuantity.Name = name; medicineQuantity.Quantity = quantity; medicineQuantity.CenterId = int.Parse(centerDropDownList.SelectedValue); if (medicineManager.MedicineName(name)) { centerManager.GetUpdateMedicineQuantity(medicineQuantity.Name, medicineQuantity.Quantity); // centerManager.InsertMedicineQunatity(medicineQuantity); } else { centerManager.InsertMedicineQunatity(medicineQuantity); } medicineQuantityGridView.DataSource = null; medicineQuantityGridView.DataBind(); Session.Clear(); } }