private void dataGridView1_CellContentClick(object sender, DataGridViewCellEventArgs e)
        {
            string colName = dataGridView1.Columns[e.ColumnIndex].Name;

            if (colName == "Edit")
            {
                formCategory frm = new formCategory(this);
                frm.btnSave.Enabled  = true;
                frm.lblID.Text       = dataGridView1[1, e.RowIndex].Value.ToString();
                frm.txtCategory.Text = dataGridView1[2, e.RowIndex].Value.ToString();
                frm.ShowDialog();
            }
            else if (colName == "Delete")
            {
                if (MessageBox.Show("Are you sure you want to delete this category?", "Delete Record", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
                {
                    cn.Open();
                    cm = new SqlCommand("delete from tblCategory where id like '" + int.Parse(dataGridView1[1, e.RowIndex].Value.ToString()) + "'", cn);
                    cm.ExecuteNonQuery();
                    cn.Close();
                    MessageBox.Show("Reoord has been succesfully deleted", "POS", MessageBoxButtons.OK, MessageBoxIcon.Information);
                    LoadRecords();
                }
            }
        }
        private void button2_Click(object sender, EventArgs e)
        {
            formCategory frm = new formCategory(this);

            frm.btnSave.Enabled   = true;
            frm.btnUpdate.Enabled = false;
            frm.ShowDialog();
        }