NYP-2 2016 7. Hafta Uygulamaları
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C#, Ders Notları, Nesneye Yönelik Programlama-II, Yazılım kategorisine gönderildi
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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; using MySql.Data.MySqlClient; namespace tarifeler { public partial class Form1 : Form { MySqlDataAdapter da_paket, da_musteri; DataTable dt_paket, dt_musteri; public Form1() { InitializeComponent(); MySqlConnectionStringBuilder bag = new MySqlConnectionStringBuilder(); bag.Server = "localhost"; bag.UserID = "root"; bag.Password = "123456"; bag.Database = "hafta7_16_2"; MySqlConnection conn = new MySqlConnection(bag.ToString()); // paket tablosu MySqlCommand cmd_paket_sel = new MySqlCommand("select id,adi,dk,sms,mb from paket", conn); MySqlCommand cmd_paket_ins = new MySqlCommand("insert into paket(adi,dk,sms,mb) values(@adi,@dk,@sms,@mb)", conn); cmd_paket_ins.Parameters.Add("@adi", MySqlDbType.VarChar, 45, "adi"); cmd_paket_ins.Parameters.Add("@dk", MySqlDbType.Double, 11, "dk"); cmd_paket_ins.Parameters.Add("@sms", MySqlDbType.Double, 11, "sms"); cmd_paket_ins.Parameters.Add("@mb", MySqlDbType.Double, 11, "mb"); MySqlCommand cmd_paket_upd = new MySqlCommand("update paket set dk=@dk, sms=@sms, mb=@mb where id=@id", conn); cmd_paket_upd.Parameters.Add("@id", MySqlDbType.Int32, 11, "id"); cmd_paket_upd.Parameters.Add("@dk", MySqlDbType.Double, 11, "dk"); cmd_paket_upd.Parameters.Add("@sms", MySqlDbType.Double, 11, "sms"); cmd_paket_upd.Parameters.Add("@mb", MySqlDbType.Double, 11, "mb"); da_paket = new MySqlDataAdapter(); da_paket.SelectCommand = cmd_paket_sel; da_paket.InsertCommand = cmd_paket_ins; da_paket.UpdateCommand = cmd_paket_upd; // musteri tablosu MySqlCommand cmd_musteri_sel = new MySqlCommand("select id,musteriadi,paketid,k_dk,k_sms,k_mb from musteri", conn); MySqlCommand cmd_musteri_ins = new MySqlCommand("insert into musteri(musteriadi,paketid,k_dk,k_sms,k_mb) values(@musteriadi,@paketid,@k_dk,@k_sms,@k_mb)", conn); cmd_musteri_ins.Parameters.Add("@musteriadi", MySqlDbType.VarChar, 45, "musteriadi"); cmd_musteri_ins.Parameters.Add("@paketid", MySqlDbType.Int32, 11, "paketid"); cmd_musteri_ins.Parameters.Add("@k_dk", MySqlDbType.Int32, 11, "k_dk"); cmd_musteri_ins.Parameters.Add("@k_sms", MySqlDbType.Int32, 11, "k_sms"); cmd_musteri_ins.Parameters.Add("@k_mb", MySqlDbType.Int32, 11, "k_mb"); MySqlCommand cmd_musteri_del = new MySqlCommand("delete from musteri where id=@id", conn); cmd_musteri_del.Parameters.Add("@id", MySqlDbType.Int32, 11, "id"); da_musteri = new MySqlDataAdapter(); da_musteri.SelectCommand = cmd_musteri_sel; da_musteri.InsertCommand = cmd_musteri_ins; da_musteri.DeleteCommand = cmd_musteri_del; paketgetir(); musterigetir(); } private void paketgetir() { ctarife.Items.Clear(); try { dt_paket = new DataTable(); da_paket.Fill(dt_paket); int satirsay = dt_paket.Rows.Count; for (int i = 0; i < satirsay; i++) ctarife.Items.Add(dt_paket.Rows[i]["adi"]); } catch { } ctarife.Text = "Seçiniz"; } private void musterigetir() { lmusteri.Items.Clear(); ltarife.Items.Clear(); ldk.Items.Clear(); lsms.Items.Clear(); lmb.Items.Clear(); ltutar.Items.Clear(); try { dt_musteri = new DataTable(); da_musteri.Fill(dt_musteri); int satirsay = dt_musteri.Rows.Count; for (int i = 0; i < satirsay; i++) { int paketid = (int)dt_musteri.Rows[i]["paketid"]; DataRow dr = tarifeyigetir(paketid); if (dr != null) { double tutar = (int)dt_musteri.Rows[i]["k_dk"] * (double)dr["dk"] + (int)dt_musteri.Rows[i]["k_sms"] * (double)dr["sms"] + (int)dt_musteri.Rows[i]["k_mb"] * (double)dr["mb"]; lmusteri.Items.Add(dt_musteri.Rows[i]["musteriadi"]); ltarife.Items.Add(dr["adi"]); ldk.Items.Add(dt_musteri.Rows[i]["k_dk"]); lsms.Items.Add(dt_musteri.Rows[i]["k_sms"]); lmb.Items.Add(dt_musteri.Rows[i]["k_mb"]); ltutar.Items.Add(tutar); } } } catch { } } private DataRow tarifeyigetir(int id) { try { DataRow[] drs=dt_paket.Select("id=" + id); if (drs.Length > 0) return drs[0]; } catch { } return null; } private void bekle_Click(object sender, EventArgs e) { int dk, sms, mb; bool k1 = Int32.TryParse(tdk.Text, out dk); bool k2 = Int32.TryParse(tsms.Text, out sms); bool k3 = Int32.TryParse(tmb.Text, out mb); int secilen = ctarife.SelectedIndex; if(secilen>-1 && k1 && k2 && k3 && tmusteri.Text.Length>0) { try { DataRow dr = dt_musteri.NewRow(); dr["musteriadi"] = tmusteri.Text; dr["paketid"] =(int)dt_paket.Rows[secilen]["id"]; dr["k_dk"] = dk; dr["k_sms"] = sms; dr["k_mb"] = mb; dt_musteri.Rows.Add(dr); da_musteri.Update(dt_musteri); tmusteri.Clear(); ctarife.Text = "Seçiniz"; tdk.Clear(); tsms.Clear(); tmb.Clear(); } catch { } musterigetir(); } } private void bsil_Click(object sender, EventArgs e) { int secilen = lmusteri.SelectedIndex; if (secilen > -1) { try { dt_musteri.Rows[secilen].Delete(); da_musteri.Update(dt_musteri); } catch { } musterigetir(); } } private void btarife_Click(object sender, EventArgs e) { ftarifeler frm = new ftarifeler(da_paket); frm.ShowDialog(); paketgetir(); } } } |
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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; using MySql.Data.MySqlClient; namespace tarifeler { public partial class ftarifeler: Form { MySqlDataAdapter da; DataTable dt; public ftarifeler(MySqlDataAdapter _da) { InitializeComponent(); da = _da; verigetir(); } private void verigetir() { lad.Items.Clear(); ldk.Items.Clear(); lsms.Items.Clear(); lmb.Items.Clear(); try { dt = new DataTable(); da.Fill(dt); int satirsay = dt.Rows.Count; for (int i = 0; i < satirsay; i++) { lad.Items.Add(dt.Rows[i]["adi"]); ldk.Items.Add(dt.Rows[i]["dk"]); lsms.Items.Add(dt.Rows[i]["sms"]); lmb.Items.Add(dt.Rows[i]["mb"]); } } catch { } } private void bekle_Click(object sender, EventArgs e) { double fdk, fsms, fmb; bool k1 = Double.TryParse(tdk.Text, out fdk); bool k2 = Double.TryParse(tsms.Text, out fsms); bool k3 = Double.TryParse(tmb.Text, out fmb); if (tad.Text.Length > 0 && k1 && k2 && k3) { try { DataRow dr = dt.NewRow(); dr["adi"] = tad.Text; dr["dk"] = fdk; dr["sms"] = fsms; dr["mb"] = fmb; dt.Rows.Add(dr); da.Update(dt); tad.Clear(); tdk.Clear(); tsms.Clear(); tmb.Clear(); } catch { } verigetir(); } } private void bduzenle_Click(object sender, EventArgs e) { double fdk, fsms, fmb; bool k1 = Double.TryParse(tdk.Text, out fdk); bool k2 = Double.TryParse(tsms.Text, out fsms); bool k3 = Double.TryParse(tmb.Text, out fmb); int secilen = lad.SelectedIndex; if ( secilen>-1 && k1 && k2 && k3) { try { DataRow dr = dt.Rows[secilen]; dr["dk"] = fdk; dr["sms"] = fsms; dr["mb"] = fmb; da.Update(dt); tad.Clear(); tdk.Clear(); tsms.Clear(); tmb.Clear(); } catch { } verigetir(); } } private void bkapat_Click(object sender, EventArgs e) { this.Close(); } } } |
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