處理一些.aspx.cs代碼並決定我會忘記如何將文本框的值轉換爲可用的整數或小數。 被警告我對.asp很新。希望我可以對c sharp說同樣的話。 因此,進入我的文本框(strawberryp_textbox)的值是「1」,我認爲我可以通過.text屬性訪問它。然後我解析成int。錯誤讀取格式異常未被用戶代碼處理。從文本框控件中投射,轉換和輸入
我的另一個問題是我可以對會話變量進行操作嗎?
protected void submit_order_button_Click(object sender, EventArgs e)
{
int strawberryp;
int strawberrys;
decimal money1 = decimal.Parse(moneybox1.Text);
decimal money2 = decimal.Parse(moneybox2.Text);
decimal money3 = decimal.Parse(moneybox3.Text);
decimal money4 = decimal.Parse(moneybox4.Text);
decimal money5 = decimal.Parse(moneybox5.Text);
strawberryp = int.Parse(strawberryp_Textbox.Text); //THE PROBLEM RIGHT HERE!
strawberrys = int.Parse(strawberrys_Textbox.Text); // Needs fixed
int strawberryc = int.Parse(strawberryc_Textbox.Text); //fix
int berryp = int.Parse(berryp_Textbox.Text); //fix
int raspberryp = int.Parse(raspberryp_Textbox.Text); /fix
decimal subtotal = (money1 * strawberryp) + (money2 * strawberrys) + (money3 * strawberryc) + (money4 * berryp) + (money5 * raspberryp); //check to see if you can multiply decimal and int to get a deciaml!!
Session["passmysubtotal"] = subtotal; //TextBox2.Text;
(strawberryp_Textbox.Text);//TextBox4.Text;
add_my_order_button.Enabled = true;
add_my_order_button.Visible = true;
submit_order_button.Enabled = false;
submit_order_button.Visible = false;
strawberryp_Textbox.ReadOnly = false;
strawberrys_Textbox.ReadOnly = false;
strawberryc_Textbox.ReadOnly = false;
berryp_Textbox.ReadOnly = false;
raspberryp_Textbox.ReadOnly = false;
Response.Redirect("reciept.aspx");
}
感謝您的幫助
發現錯誤謝謝tryparse建議! – Matt 2010-06-16 03:25:51