![[C#] 19일차 - 138. MaskedTextBox](https://img1.daumcdn.net/thumb/R750x0/?scode=mtistory2&fname=https%3A%2F%2Fblog.kakaocdn.net%2Fdn%2FDWmfs%2FbtqXY0BCayw%2FjiZYT5ThsRnIhi5L5TnYUK%2Fimg.png)
MaskedTextBox는 TextBox에 입력되는 형식을 제안할 수 있는 기능 기호 의미 기호 의미 0 숫자 9 숫자 혹은 공백 L 문자 ? 문자 혹은 공백 A 영문자 a 영문자 혹은 공백 . 소수점 , 천자리 자리 표시자 : 시간 구분자 / 날짜 구분자 마스크에 사용되는 기호와 의미 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 A138_MaskedTe..
![[C#] 19일차 - 137. 성적계산기](https://img1.daumcdn.net/thumb/R750x0/?scode=mtistory2&fname=https%3A%2F%2Fblog.kakaocdn.net%2Fdn%2FewxNqS%2FbtqXMeUYZ4B%2FUQufVCz8jaKKA9pvenzc9k%2Fimg.png)
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 A137_ScoreCalc { public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void button1_Click(object sender, EventArgs e) { double sum = Convert.T..
![[C#] 19일차 - 136. 로그인 창 만들기](https://img1.daumcdn.net/thumb/R750x0/?scode=mtistory2&fname=https%3A%2F%2Fblog.kakaocdn.net%2Fdn%2FF6JfR%2FbtqXTohIGhh%2FMZl4he61JbpxiMfIKB3Tb0%2Fimg.png)
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 A136_Login { public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void button1_Click(object sender, EventArgs e) { if (txtId.Text == "abcd" &..
![[C#] 19일차 - 135. 라디오버튼과 그룹박스](https://img1.daumcdn.net/thumb/R750x0/?scode=mtistory2&fname=https%3A%2F%2Fblog.kakaocdn.net%2Fdn%2FbujaQm%2FbtqXJWm9nC4%2FN6iu27289OOfdgJFIPfK5k%2Fimg.png)
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 A135_RadioButton { public partial class Form1 : Form { private RadioButton checkedRB; public Form1() { InitializeComponent(); } private void button1_Click(object sender, Even..
![[C#] 19일차 - 134. 체크박스](https://img1.daumcdn.net/thumb/R750x0/?scode=mtistory2&fname=https%3A%2F%2Fblog.kakaocdn.net%2Fdn%2FcWySPw%2FbtqXSnXwygy%2F1dkVM2a0vZ10LR7sVYSEqK%2Fimg.png)
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 A134_CheckBox { public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void button1_Click(object sender, EventArgs e) { string checkStates = ""..