[mahsa_18]

 سلام
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کد:

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;
using System.Data.SqlClient;
using System.Data;

namespace CS_WebConfig
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        DataTable dt;

        private void Form1_Load(object sender, EventArgs e)
        {
        }

        public string GetString()
        {
            return ConfigurationManager.AppSettings["ConnectionString"].ToString();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            SqlConnection con = new SqlConnection(GetString());
            SqlDataAdapter sqlda = new SqlDataAdapter("select * from TableInfo", con);
            dt = new DataTable();
            sqlda.Fill(dt);
            dataGridView1.DataSource = dt;
        }
    }
}

 

[Amin_Mansouri]

کد:

public void CreateSqlConnection() { SqlConnection myConnection = new SqlConnection(); myConnection.ConnectionString = "Persist Security Info=False;Integrated Security=SSPI;database=northwind;server=mySQLServer;Connect Timeout=30"; myConnection.Open(); }

http://www.dreamincode.net/forums/topic/...appconfig/