private void load_musteri_listele(object sender, EventArgs e)
{
UserProvider ara = new UserProvider();
DataTable dt = ara.MusteriAra("");
dataGridView1.DataSource = dt;
}
private void musteriAraButton_Click(object sender, EventArgs e)
{
string musteriAdSoyad = textBox6.Text.ToString();
UserProvider ara = new UserProvider();
DataTable dt = ara.MusteriAra(musteriAdSoyad);
dataGridView1.DataSource = dt;
}