با استفاده از نمونه ضمیمه شده به راحتی میتوانید از بانک های اطلاعاتی خود بکاپ تهیه کنید .

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.Diagnostics;
using System.Data.SqlClient;

namespace SQLBackUpApp
{
    public partial class Form1 : Form
    {
        SqlConnection con;       
        SqlCommand cmd;
        SqlDataReader dr;

        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            label3.Visible = false;
            serverName(".");          
        }
        public void serverName(string str)
        {
            con = new SqlConnection("Data Source=" + str + ";Database=Master;data source=.; uid=sa; pwd=123;");
            con.Open();
            cmd = new SqlCommand("select *  from sysservers  where srvproduct='SQL Server'", con);
            dr = cmd.ExecuteReader();
            while (dr.Read())
            {
                ComboBoxserverName.Items.Add(dr[2]);
            }
            dr.Close();
        }

        public void Createconnection()
        {
            con = new SqlConnection("Data Source=" + (ComboBoxserverName.Text) + ";Database=Master;data source=.; uid=sa; pwd=123;");
            con.Open();
            ComboBoxDatabaseName.Items.Clear();
            cmd = new SqlCommand("select * from sysdatabases", con);
            dr = cmd.ExecuteReader();
            while(dr.Read())
            {
                ComboBoxDatabaseName.Items.Add(dr[0]);
            }
            dr.Close();
        }

        public void query(string que)
        {
            // ERROR: Not supported in C#: OnErrorStatement

            cmd = new SqlCommand(que, con);
            cmd.ExecuteNonQuery();
        }

        public void blank(string str)
        {
            if (string.IsNullOrEmpty(ComboBoxserverName.Text) | string.IsNullOrEmpty(ComboBoxDatabaseName.Text))
            {

             // label3.Visible = true;
             MessageBox .Show( "Server Name & Database can not be Blank");
             return;

            }
            else
            {
                if (str == "backup")
                {
                    SaveFileDialog1.FileName = ComboBoxDatabaseName.Text;
                    SaveFileDialog1.ShowDialog();                                      
                    string s = null;
                    s = SaveFileDialog1.FileName;
                    query("Backup database " + ComboBoxDatabaseName.Text + " to disk='" + s + "'");
                    label3.Visible = true;
                    label3.Text = "پشتیبان گیری با موفقیت انجام شد";
                }               
            }
        }       

        private void ComboBoxserverName_SelectedIndexChanged(object sender, EventArgs e)
        {
            Createconnection();
        }

        private void cmbbackup_Click_1(object sender, EventArgs e)
        {
            blank("backup"); 
        }     
    }
}