[請益] 自學C#一週遇到解不了的地方

看板Soft_Job (軟體人)作者qoo27734266 (postgraduate)時間6年前 (2019/06/18 17:03)推噓8(9推 1噓 28→)

留言38則, 16人參與討論串1/1

下面好多熱心大佬一點我就通了所以已解決原來是int Sum1 = Numb1 + Convert.ToInt 32(Tbx4Dol2); 的Tbxdol2沒加到text 謝謝 http://sendvid.com/9i15m3gq ———- 大佬們好小弟商學畢業想轉職自己買課本來學C# 已經自己練習一週目前遇到一些程式問題無法解決麻煩請大佬們幫我看一下 using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Windows.Forms; namespace 電影院售票系統 { public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void Form1_Load(object sender, EventArgs e) { Lb1Price.Text = "單價"; Lb2Num.Text = "張數"; Lb3Dol.Text = "金額"; Lb4Ful.Text = "全票"; Lb5Che.Text = "優待票"; Lb6Sum.Text = "合計"; Lb7250.Text = "250"; Lb8200.Text = "200"; Tbx1Num1.Text = ""; Tbx2Num2.Text = ""; Tbx3Dol1.Text = ""; Tbx4Dol2.Text = ""; Tbx5sum1.Text = ""; Tbx3Dol1.ReadOnly = true; Tbx4Dol2.ReadOnly = true; Tbx5sum1.ReadOnly = true; Tbx1Num1.MaxLength = 2; Tbx2Num2.MaxLength = 2; Tbx1Num1.TabIndex = 0; Tbx3Dol1.Text = "0"; Tbx4Dol2.Text = "0"; } private void Bul5Dol3_Click(object sender, EventArgs e) { } private void Tbx1Num1_TextChanged(object sender, EventArgs e) { try { int Numb1 = Convert.ToInt32(Tbx1Num1.Text) * Convert.ToInt32(Lb7250.Text); Tbx3Dol1.Text = Numb1.ToString(); int Sum1 = Numb1 + Convert.ToInt32(Tbx4Dol2); Tbx5sum1.Text = Sum1.ToString(); } catch { Tbx3Dol1.Text = "0"; } } private void Tbx3Dol1_TextChanged(object sender, EventArgs e) { } private void Tbx2Num2_TextChanged(object sender, EventArgs e) { try { int Numb2 = Convert.ToInt32(Tbx2Num2.Text) * Convert.ToInt32(Lb8200.Text); Tbx4Dol2.Text = Numb2.ToString(); int Total = Numb2 + Convert.ToInt32(Tbx3Dol1.Text); Tbx5sum1.Text = Total.ToString(); } catch { Tbx2Num2.Text = "0"; } } private void Tbx5sum1_TextChanged(object sender, EventArgs e) { } private void Tbx1Num1_Enter(object sender, EventArgs e) { } private void Tbx2Num2_Enter(object sender, EventArgs e) { } } } ------------------------------------------------------------------ 跑出來的程式發現"全票"的"金額"那邊怎麼樣都是0... 我花了三個小時一直改都還是一樣 https://i.imgur.com/xavJLT6.jpg

以下是課本的解答.. https://i.imgur.com/SZ5Gwg2.jpg

https://i.imgur.com/MhhdV0p.jpg

我都是自己玩過一次才會去看課本可是這次課本的我看懂了大概修的跟課本一樣還是無法謝謝排版不好請見諒 -- ※ 發信站: 批踢踢實業坊(ptt.cc), 來自: 220.133.245.70 (臺灣) ※ 文章網址: https://www.ptt.cc/bbs/Soft_Job/M.1560848620.A.780.html ※ 編輯: qoo27734266 (223.141.148.134 臺灣), 06/18/2019 17:04:43 ※ 編輯: qoo27734266 (223.141.148.134 臺灣), 06/18/2019 17:05:15 ※ 編輯: qoo27734266 (223.141.148.134 臺灣), 06/18/2019 17:07:11

→

Apache

06/18 17:07, 6年前 , 1^F

06/18 17:07, 1^F

→

braveslave

06/18 17:11, 6年前 , 2^F

06/18 17:11, 2^F

→

braveslave

06/18 17:11, 6年前 , 3^F

06/18 17:11, 3^F