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<connectionStrings>
<add name="connSql" connectionString="host=127.0.0.1;Port=3306;Database=mysql;uid=sa;pwd=12346" providerName="MySql.Data.MySqlClient"/>
</connectionStrings>
<?xml version="1.0" encoding="utf-8" ?>
<configuration>
<connectionStrings>
<add name="connSql" connectionString="Server=.;Database=test;uid=sa;pwd=sasa; MultipleActiveResultSets=true" providerName="System.Data.SqlClient" />
</connectionStrings>
</configuration>
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Configuration;
namespace WindowsFormsApp3
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void button1_Click(object sender, EventArgs e)
{
string conn = ConfigurationManager.ConnectionStrings["connSql"].ConnectionString.ToString();
}
}
}
string conn = ConfigurationManager.ConnectionStrings["connSql"].ConnectionString;