代码 A(类)
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using MySql.Data.MySqlClient;
namespace eBayERPSolution
{
public class dbconnection
{
int flag = 0;
public int Flag
{
get { return flag; }
}
public dbconnection()
{
MySqlConnection con = new MySqlConnection(System.Configuration.ConfigurationManager.ConnectionStrings["mysqlconnect"].ConnectionString);
try
{
con.Open();// I WANT TO ACCESS THIS CON OBJECT IN ANOTHER FORM
flag = 1;
}
catch (Exception e)
{
flag = 0;
MessageBox.Show(e.Message );
}
}
}
}
代码 B(表格)
public void button1_Click(object sender, EventArgs e)
{
dbconnection check = new dbconnection();
if (check.Flag == 0)
{
MessageBox.Show("Connected");
}
try
{
string query = "INSERT INTO ebayerp_sales (invdate,invno,paisapayid,phonenumber,emailid,paymentrecdate,customername,buyerid,billingaddress,shippingaddress,shippingpatner,awbno,shippingdate,status) VALUES('" + invdate.Text + "','" + int.Parse(invno.Text) + "','" + int.Parse(paisapayidtbox.Text) + "','" + int.Parse(phonenumbertbox.Text) + "','" + emailidtbox.Text + "','" + paymentrecdatetbox.Text + "','" + customernametbox.Text + "','" + buyeridtbox.Text + "','" + billingaddresstbox.Text + "','" + shippingaddresstbox.Text + "','" + shippingpatnertbox.Text + "','" + awbnotbox.Text + "','" + shippingdatetbox.Text + "','" + statustbox.Text + "')";
MySqlCommand cmd = new MySqlCommand(query,---------------);//I WANT TO ACCESS CON OBJECT THERE.