// function to insert medicine protected void btnAdd_Click(object sender, EventArgs e) { var medicine = new Framework.Database.Medicine { Name = txtName.Text, Price = Convert.ToDouble(txtPrice.Text), Stock = Convert.ToInt32(txtStock.Text), Description = txtDescription.Text, CategoryId = TextHelper.ToInteger(ddl_category.SelectedValue) ?? 1, Active = TextHelper.ToBool(ddl_active.SelectedValue) ?? false }; var medicineObj = new Medicine(); if (!medicineObj.Insert(medicine)) { } else { Redirect("AddMedicine.aspx"); } lblError.Text = "Medicine Saved"; Reset(); refreshGridView(); }