NYP-2 2016 10. Hafta Uygulamaları-2
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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 datagridw { 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 = "hafta8_16_1_1"; MySqlConnection conn = new MySqlConnection(bag.ToString()); MySqlCommand cmd_sel = new MySqlCommand("select id,isimler,telefon from liste;", conn); MySqlCommand cmd_ins = new MySqlCommand("insert into liste(isimler,telefon) values(@isimler,@telefon);", conn); cmd_ins.Parameters.Add("@isimler", MySqlDbType.VarChar, 45, "isimler"); cmd_ins.Parameters.Add("@telefon", MySqlDbType.VarChar, 45, "telefon"); MySqlCommand cmd_del = new MySqlCommand("delete from liste where id=@id;", conn); cmd_del.Parameters.Add("@id", MySqlDbType.Int32, 11, "id"); MySqlCommand cmd_upd = new MySqlCommand("update liste set isimler=@isimler, telefon=@telefon where id=@id", conn); cmd_upd.Parameters.Add("@id", MySqlDbType.Int32, 11, "id"); cmd_upd.Parameters.Add("@isimler", MySqlDbType.VarChar, 45, "isimler"); cmd_upd.Parameters.Add("@telefon", MySqlDbType.VarChar, 45, "telefon"); da = new MySqlDataAdapter(); da.SelectCommand = cmd_sel; da.UpdateCommand = cmd_upd; da.DeleteCommand = cmd_del; da.InsertCommand = cmd_ins; verigetir(); } private void verigetir() { try { dt = new DataTable(); da.Fill(dt); dataGridView1.DataSource = dt; // dataGridView1.Columns[0].ReadOnly = true; // id kolonu sadece okunabilir olsun dataGridView1.Columns[0].Visible = false; // id kolonu gizle/goster dataGridView1.Columns[1].HeaderText = "Ad Soyad"; dataGridView1.Columns[2].HeaderText = "Telefon No"; //dataGridView1.AllowUserToAddRows = false; // yeni satir eklemeyi iptal et dataGridView1.AllowUserToDeleteRows = false; // satir silme aktif/pasif } catch { } } private void byenile_Click(object sender, EventArgs e) { verigetir(); } private void bkaydet_Click(object sender, EventArgs e) { try { da.Update(dt); verigetir(); } catch { } } } } |