private void mdi_Load(object sender, EventArgs e) { String str1 = GetProcessorID(); String str2 = GetHarddiskID(); str1 = str1.Substring(0, 7); str2 = str2.Substring(0, 7); String auth = str1 + str2; String str = "select flag from client where authenticate_code = '" + auth + "' and flag=2"; DataSet ds = new DataSet(); DataLayer dl = new DataLayer(); ds = dl.GetDataSet(str); if (ds.Tables[0].Rows.Count > 0) { } else { MessageBox.Show("Your trail peroid has expired. Please register your product."); } panel1.Visible = false; Serial_key frm = new Serial_key(); frm.MdiParent = this; frm.Show(); }
private void registerProductToolStripMenuItem_Click(object sender, EventArgs e) { panel1.Visible = false; String str1 = GetProcessorID(); String str2 = GetHarddiskID(); str1 = str1.Substring(0, 7); str2 = str2.Substring(0, 7); String auth = str1 + str2; String str = "select flag from client where authenticate_code = '" + auth + "' and flag=2"; DataSet ds = new DataSet(); DataLayer dl = new DataLayer(); ds = dl.GetDataSet(str); if (ds.Tables[0].Rows.Count > 0) { MessageBox.Show("You have been already registered"); } else { Serial_key frm = new Serial_key(); frm.MdiParent = this; frm.Show(); } }