private int count = 0;
        private void button1_Click(object sender, EventArgs e)
        {
            DataGridView dgv = new DataGridView();
            dgv.Size = new System.Drawing.Size(100, 100);
            dgv.Location = new System.Drawing.Point(1, 1+(count*100));
            count += 1;
            this.Controls.Add(dgv);
        }