private void buttonX2_Click(object sender, EventArgs e)
        {
            if (listView1.Items.Count > 0)
            {
                SaveFileDialog sfd = new SaveFileDialog();
                sfd.Filter       = "*.PDF|*.PDF";
                sfd.FilterIndex  = 0;
                sfd.AddExtension = true;
                if (sfd.ShowDialog() == DialogResult.OK)
                {
                    clsGenratePDF genpdf = new clsGenratePDF();

                    ArrayList a1 = new ArrayList();
                    a1.Add("COLUMN 1");
                    a1.Add("COLUMN 2");
                    a1.Add("COLUMN 3");


                    genpdf.GenerateUsingList(sfd.FileName, listView1, a1, 1);
                }
            }
            else
            {
                MessageBox.Show("Please eneter atleast one row", "Error", MessageBoxButtons.OK, MessageBoxIcon.Information);
            }
        }
        private void buttonX1_Click(object sender, EventArgs e)
        {
            SaveFileDialog sfd = new SaveFileDialog();

            sfd.Filter       = "*.PDF|*.PDF";
            sfd.FilterIndex  = 0;
            sfd.AddExtension = true;
            if (sfd.ShowDialog() == DialogResult.OK)
            {
                clsGenratePDF genpdf = new clsGenratePDF();

                ArrayList a1 = new ArrayList();
                a1.Add("COLUMN 1");
                a1.Add("COLUMN 2");
                a1.Add("COLUMN 3");


                genpdf.GenerateUsingText(sfd.FileName, richTextBox1);
            }
        }