private void load_tedarikci_listele(object sender, EventArgs e)
{
UserProvider islem = new UserProvider();
DataTable dt = islem.TedarikciAra("");
dataGridView1.DataSource = dt;
}
private void button2_Click(object sender, EventArgs e)
{
string adisoyadi = textBox5.Text.ToString();
UserProvider pro = new UserProvider();
DataTable dt = pro.TedarikciAra(adisoyadi);
dataGridView1.DataSource = dt;
}