NYP-2 2016 5. Hafta Uygulamaları
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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 depo { public partial class Form1 : Form { MySqlDataAdapter da; DataTable dt; public Form1() { InitializeComponent(); MySqlConnectionStringBuilder bag = new MySqlConnectionStringBuilder(); bag.Server = "localhost"; bag.UserID = "root"; bag.Password = "123456"; bag.Database = "hafta5_16_1"; MySqlConnection conn = new MySqlConnection(bag.ToString()); MySqlCommand cmd_sel = new MySqlCommand("select id,isim,miktar from depo;", conn); MySqlCommand cmd_ins = new MySqlCommand("insert into depo(isim,miktar) values (@isim,@miktar);",conn); cmd_ins.Parameters.Add("@isim", MySqlDbType.VarChar, 45, "isim"); cmd_ins.Parameters.Add("@miktar", MySqlDbType.Int32, 11, "miktar"); MySqlCommand cmd_del = new MySqlCommand("delete from depo where id=@id", conn); cmd_del.Parameters.Add("@id", MySqlDbType.Int32, 11, "id"); MySqlCommand cmd_upd = new MySqlCommand("update depo set isim=@isim, miktar=@miktar where id=@id",conn); cmd_upd.Parameters.Add("@id", MySqlDbType.Int32, 11, "id"); cmd_upd.Parameters.Add("@isim", MySqlDbType.VarChar, 45, "isim"); cmd_upd.Parameters.Add("@miktar", MySqlDbType.Int32, 11, "miktar"); da = new MySqlDataAdapter(); da.SelectCommand = cmd_sel; da.InsertCommand = cmd_ins; da.DeleteCommand = cmd_del; da.UpdateCommand = cmd_upd; verigetir(); } private void bekle_Click(object sender, EventArgs e) { int miktar; bool kontrol = Int32.TryParse(tmiktar.Text, out miktar); if (kontrol && turun.Text.Length > 0) { try { DataRow dr = dt.NewRow(); // mevcut tablodan yeni bir satir turettik dr["isim"] = turun.Text; dr["miktar"] = miktar; dt.Rows.Add(dr); // olusturulan yeni satir tabloya eklendi da.Update(dt); turun.Clear(); tmiktar.Clear(); } catch { } verigetir(); } } private void verigetir() { try { dt = new DataTable(); da.Fill(dt); lurun.Items.Clear(); lmiktar.Items.Clear(); int satirsay = dt.Rows.Count; for (int i = 0; i < satirsay; i++) { lurun.Items.Add(dt.Rows[i]["isim"]); lmiktar.Items.Add(dt.Rows[i]["miktar"]); } } catch { } } private void bsil_Click(object sender, EventArgs e) { int index = lurun.SelectedIndex; if (index > -1) { try { dt.Rows[index].Delete(); da.Update(dt); } catch { } verigetir(); } } private void bguncelleme_Click(object sender, EventArgs e) { int index = lurun.SelectedIndex; int miktar; bool kontrol = Int32.TryParse(tmiktar.Text, out miktar); if (kontrol && index>-1 && turun.Text.Length > 0) { try { DataRow dr = dt.Rows[index]; // mevcut satiri getirdik dr["isim"] = turun.Text; dr["miktar"] = miktar; da.Update(dt); turun.Clear(); tmiktar.Clear(); verigetir(); } catch { // } } } } } |
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CREATE SCHEMA `hafta5_16_1` DEFAULT CHARACTER SET utf8 COLLATE utf8_turkish_ci ; CREATE TABLE `hafta5_16_1`.`depo` ( `id` INT NOT NULL AUTO_INCREMENT COMMENT '', `isim` VARCHAR(45) NULL COMMENT '', `miktar` INT NULL COMMENT '', PRIMARY KEY (`id`) COMMENT ''); |
NYP-2 2016 5. Hafta Uygulamaları