Program Visual C# Registrasi / Pendaftaran Mahasiswa Baru

Class Form1
Variabel Komponen	Event	Source Code
Form 1	Load	private void Form1_Load(object sender, EventArgs e) { clbProdi.Items.Add("S-1 Matematika");   clbProdi.Items.Add("S-1 Biologi");   clbProdi.Items.Add("S-1 Kimia");   clbProdi.Items.Add("S-1 Fisika");   clbProdi.Items.Add("S-1 Farmasi");   clbProdi.Items.Add("S-1 Ilmu Komputer");   clbProdi.Items.Add("D-3 Analis Farmasi dan Makanan");     }
cbTgl	KeyPress	private void cbTgl_KeyPress(object sender, KeyPressEventArgs e) { char ch = e.KeyChar;   if (!Char.IsDigit(ch) && ch != 8)   { MessageBox.Show("Hanya angka", "Peringatan", MessageBoxButtons.OK, MessageBoxIcon.Warning);     e.Handled = true;   } }
cbBln	KeyPress	private void cbBln_KeyPress(object sender, KeyPressEventArgs e) { char ch = e.KeyChar;   if (!Char.IsDigit(ch) && ch != 8)   { MessageBox.Show("Hanya angka", "Peringatan", MessageBoxButtons.OK, MessageBoxIcon.Warning);    e.Handled = true;   } }
cbThn	KeyPress	private void cbThn_KeyPress(object sender, KeyPressEventArgs e) { char ch = e.KeyChar;   if (!Char.IsDigit(ch) && ch != 8)   { MessageBox.Show("Hanya angka", "Peringatan",MessageBoxButtons.OK, MessageBoxIcon.Warning);   e.Handled = true;   } }
btnSend	Click	private void btnSend_Click(object sender, EventArgs e) { bool centang = true;   if (txtNama.Text == "" || txtTlahir.Text == "" || txtSekolah.Text == "" || cbTgl.Text == "" || cbBln.Text == "" || cbThn.Text == "" || clbProdi.Text == "")     MessageBox.Show("Field Teks masih kosong harap diisi", "Peringatan", MessageBoxButtons.OK, MessageBoxIcon.Warning);   else    if (rbLk.Checked == false && rbPr.Checked == false)     MessageBox.Show("Jenis Kelamin belum dipilih", "Peringatan", MessageBoxButtons.OK, MessageBoxIcon.Warning);   else   { DialogResult result;     string judul = "Confimation";     string a, b, c, d, f, g, h, i;     if (rbLk.Checked == true) i = "Laki - Laki";     else i = "Perempuan";     a = "\n\n" + "Nama" + "\t\t" + ": " + txtNama.Text;     b = "\n" + "Jenis Kelamin" + "\t" + ": " + i;     c = "\n" + "Tempat Lahir" + "\t" + ": " + txtTlahir.Text;     d = "\n" + "Tanggal Lahir" + "\t" + ": " + cbTgl.Text + "-" + cbBln.Text + "-" + cbThn.Text;     f = "\n" + "Asal Sekolah" + "\t" + ": " + txtSekolah.Text;     g = "\n" + "Pilihan Prodi" + "\t" + ": " + clbProdi.SelectedItem;   string pesan = "Mohon Periksa Kembali Data Anda di bawah ini :" + a + b + c + d + f + g + "\n\n" + "Apakah Data Anda Sudah Benar ??" + "\n" + "Lanjutkan?"; MessageBoxButtons pil_tombol = MessageBoxButtons.YesNo; result = MessageBox.Show(pesan, judul, pil_tombol, MessageBoxIcon.Warning); if (result == DialogResult.Yes) { judul = "Congratulation !!";   pesan = "Pendaftaran Anda Berhasil"+"\n"+"Terima Kasih :)";   result = MessageBox.Show(pesan, judul, MessageBoxButtons.OK,        MessageBoxIcon.Information);    if(result == DialogResult.OK)    { Application.Exit(); }                      }  }; }
btnExit	Click	private void btnExit_Click_1(object sender, EventArgs e) { DialogResult result;   string judul = "Confirmation";   string pesan = "Apakah Anda yakin ingin keluar?";   MessageBoxButtons pil_tombol = MessageBoxButtons.YesNo;   result = MessageBox.Show(pesan, judul, pil_tombol,MessageBoxIcon.Warning);   if (result == DialogResult.Yes)   { Application.Exit(); }        }