private void button1_Click_1(object sender, EventArgs e)
{
if (IsOpened)
{
int tagcount = 0;
String[] tagnumber = new String[0];
Int32 value = reader.Inventory(ISO15693Reader.ModulateMethod.ASK, ISO15693Reader.InventoryModel.Single, ref tagcount, ref tagnumber);// .GetOne(ref data);
// Inventory(data, 0x27, ref tagCount);
if ((value != 0) && (tagnumber.Length > 0))
{
tb_label.Text = tagnumber[0];
//label_show.Text = "读取成功！";
OleDbConnection conn = new OleDbConnection();
conn.ConnectionString = @"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=|DataDirectory|\Database.mdb;Persist Security Info=True";
conn.Open();
String sql = String.Format("SELECT CardId FROM tab_label WHERE ID='{0}'", tb_label.Text.Trim());
OleDbCommand cmd = new OleDbCommand(sql, conn);
OleDbDataReader dr = cmd.ExecuteReader();
if (dr.Read())
{
label_show.Text = "此为旧卡，无法添加";
}
else
{
label_show.Text = "此为新卡，可添加";
}
return;
}
label_show.Text = "读取失败";
tb_label.Text = "";
}
else
{
label_show.Text = "请先打开串口！";
}
}
private void Main_read(object sender, EventArgs e)
{
if (IsConnected == false)
{
main_remain.Text = "未连接设备";
return;
}
int tagCount = 0;
String[] tagNumber = new string[0];
int value = reader.Inventory(ISO15693Reader.ModulateMethod.ASK, ISO15693Reader.InventoryModel.Single, ref tagCount, ref tagNumber);
if (value != 0 && tagNumber.Length > 0)
{
main_remain.Text = "读取失败";
return;
}
main_tag_id = tagNumber[0];
main_remain.Text = "读取成功";
main_doc_id.Enabled = true;
main_text_append(main_tag_id);
}