private void button2_Click(object sender, EventArgs e)
        {
 
            SqlDataAdapter da = new SqlDataAdapter("Select [NUMBER], [LASTNAME], [FIRSTNAME], [SECONDNAME], [PROFESSION] from dbo.WORKER where [NUMBER] LIKE'" + textBox1.Text + "%'", _MyClass._prm.conn);
            DataSet ds = new DataSet();
            da.Fill(ds, "dbo.WORKER");
            dataGridView1.DataSource = ds.Tables["dbo.WORKER"];            
            dataGridView1.AutoGenerateColumns = true;
 
        }