30 Mayıs 2012 Çarşamba


VERİTABANI İŞLEMLERİ () Csharp


using System;using System.Collections.Generic;

using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Data.OleDb;
using System.Windows.Forms;

namespace Veritabanı İşlemleri
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
// Veritabanı Bağlantı Komutları
        OleDbConnection baglanti = newOleDbConnection(@"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:\\vt1.mdb");
        OleDbCommand kmt = new OleDbCommand();
        OleDbDataAdapter adtr = new OleDbDataAdapter()
        DataSet dtst = new DataSet();

private void Form1_Load(object sender, EventArgs e)
        {
            // TODO: This line of code loads data into the 'vt1DataSet.rehber' table. You can move, or remove it, as needed.
            this.rehberTableAdapter.Fill(this.vt1DataSet.rehber);
            try
            {
                baglanti.Open();

                baglanti.Close();
            }
            catch (Exception hata)
            {
                MessageBox.Show(hata.Message.ToString());
            }
            dataGridView1.SelectionMode = DataGridViewSelectionMode.FullRowSelect;
            listele();
            goster();
            textBox1.DataBindings.Add("text", dtst, "rehber.Kno");
            textBox2.DataBindings.Add("text", dtst, "rehber.Adı");
            textBox3.DataBindings.Add("text", dtst, "rehber.Soyadı");
            textBox4.DataBindings.Add("text", dtst, "rehber.Telefon");

        }

// Yeni Butonu
        private void button1_Click(object sender, EventArgs e)
        {
            this.BindingContext[dtst, "rehber"].AddNew();
            textBox2.Clear();
            textBox3.Clear();
            textBox4.Clear();
            textBox2.Focus();

        }
// İptal Butonu
        private void button2_Click(object sender, EventArgs e)
        {
            this.BindingContext[dtst, "rehber"].CancelCurrentEdit();
        }

        
// Kaydet Butonu
        private void button3_Click(object sender, EventArgs e)
        {
            baglanti.Open();
            kmt.Connection = baglanti;
            kmt.CommandText = "insert into rehber(Adı,Soyadı,Telefon)values('" + textBox2.Text + "','" + textBox3.Text + "','" + textBox4.Text + "')";
            kmt.ExecuteNonQuery();
            kmt.Dispose();
            baglanti.Close();
            dtst.Clear();
            listele();
            MessageBox.Show("Kayıt Yapıldı");

        }
// Düzelt Butonu
        private void button4_Click(object sender, EventArgs e)
        {
            baglanti.Open();
            kmt.Connection = baglanti;
            kmt.CommandText = "update rehber set adı='" + textBox2.Text + "',soyadı='" + textBox3.Text + "',telefon='" + textBox4.Text + "' where Kno=" + textBox1.Text + "";
            kmt.ExecuteNonQuery();
            kmt.Dispose();
            dtst.Clear();
            baglanti.Close();
            listele();
            goster();

        }
// Sil Butonu
        private void button5_Click(object sender, EventArgs e)
        {
            baglanti.Open();
            kmt.Connection = baglanti;
            kmt.CommandText = "delete from rehber where Adı='" + textBox2.Text + "'";
            kmt.ExecuteNonQuery();
            kmt.Dispose();
            baglanti.Close();
            dtst.Clear();
            listele();
            goster();
        }

// Arama Butonu
        private void button6_Click(object sender, EventArgs e)
        {
            string bul;
            bul = "select * from rehber where " + comboBox1.Text + " like '" + textBox6.Text + "%'";
            dtst.Clear();
            baglanti.Open();
            if (textBox6.Text == "")
            {
                adtr = new OleDbDataAdapter("select * from rehber", baglanti);
            }
            else
            {
                adtr = new OleDbDataAdapter(bul, baglanti);
            }
            adtr.Fill(dtst, "rehber");
            dataGridView1.DataSource = dtst;
            dataGridView1.DataMember = "rehber";
            baglanti.Close();
            adtr.Dispose();
            listele()
            goster()

        }
        int kayno, topkay;
        void goster()
        {
            kayno = this.BindingContext[dtst, "rehber"].Position + 1;
            topkay = this.dtst.Tables["rehber"].Rows.Count;
            textBox6.Text = (kayno).ToString() + " / " + (topkay).ToString();
        }

        private void listele()
        {
            baglanti.Open();
            adtr = new OleDbDataAdapter("select * from rehber", baglanti);
            adtr.Fill(dtst, "rehber");
            dataGridView1.DataSource = dtst;
            dataGridView1.DataMember = "rehber";
            baglanti.Close();
            adtr.Dispose();
        }
// İlk Kayıt Butonu
        private void button7_Click(object sender, EventArgs e)
        {
            this.BindingContext[dtst, "rehber"].Position = 0;
            goster();
        }
// Son Kayıt Butonu
        private void button10_Click(object sender, EventArgs e)
        {
            this.BindingContext[dtst, "rehber"].Position =this.dtst.Tables["rehber"].Rows.Count - 1;
            göster();

        }
// Önceki Kayıt Butonu
        private void button8_Click(object sender, EventArgs e)
        {
            this.BindingContext[dtst, "rehber"].Position -= 1;
            göster();

        }
// Sonraki Kayıt Butonu
        private void button9_Click(object sender, EventArgs e)
        {
            this.BindingContext[dtst, "rehber"].Position += 1;
            göster();

        }