//記得加 folderBrowserDialog1 openFileDialog1 控件using System.Data.SqlClient; //連接數(shù)據(jù)庫(kù) 公共變量namespace WindowsApplication1.GoodMenhod{class getSqlConnection{ string sql = "Data Source=win7-pc;database=Kc;uid=sa;pwd=sa";SqlConnection conn; public SqlConnection GetCon(){conn = new SqlConnection(sql);conn.Open();return conn;}}}using System.Data.SqlClient;using WindowsApplication1.GoodMenhod; //引用命名空間namespace WindowsApplication1{public partial class Form1 : Form{public Form1(){InitializeComponent();}private void button1_Click(object sender, EventArgs e) //打開(kāi) 備份路徑{if (folderBrowserDialog1.ShowDialog() == DialogResult.OK){txtPath.Text = folderBrowserDialog1.SelectedPath.ToString();}}private void button2_Click(object sender, EventArgs e) //備份名稱(chēng) 保存 {try{if (txtPath.Text != "" ){getSqlConnection geCon = new getSqlConnection();SqlConnection con = geCon.GetCon();string strBacl = "backup database Kc to disk='" + txtPath.Text.Trim() + "http://" + txtName.Text.Trim() + ".bak'";SqlCommand Cmd = new SqlCommand(strBacl, con);if (Cmd.ExecuteNonQuery() != 0){MessageBox.Show("數(shù)據(jù)備份成功！", "提示框", MessageBoxButtons.OK, MessageBoxIcon.Information);this.Close();}else{MessageBox.Show("數(shù)據(jù)備份失敗！", "提示框", MessageBoxButtons.OK, MessageBoxIcon.Information);}}else{MessageBox.Show("請(qǐng)?zhí)顚?xiě)備份的正確位置及文件名！", "提示框", MessageBoxButtons.OK, MessageBoxIcon.Information);}// end }catch (Exception ee){MessageBox.Show(ee.Message.ToString());}}}}private void button3_Click(object sender, EventArgs e) //打開(kāi) 將要還原的文件{openFileDialog1.FilterIndex = 0;openFileDialog1.FileName = "";openFileDialog1.Filter = "txt files (*.bak)|*.bak|All files (*.*)|*.*";if (openFileDialog1.ShowDialog() == DialogResult.OK){textPaht.Text = openFileDialog1.FileName.ToString();}}private void button4_Click(object sender, EventArgs e) //還原{if (textPaht.Text != ""){getSqlConnection geCon = new getSqlConnection();SqlConnection con = geCon.GetCon();if (con.State == ConnectionState.Open){con.Close();}//連接的數(shù)據(jù)庫(kù)是master,所以要初始化新的連接字符串string DateStr = "Data Source=win7-pc;Database=master;User id=sa;PWD=sa";SqlConnection conn = new SqlConnection(DateStr);conn.Open();//-------------------殺掉所有連接 db_CSManage 數(shù)據(jù)庫(kù)的進(jìn)程--------------// string sql = " SELECT spid FROM master..sysprocesses WHERE dbid=db_id('" + strDBName + "')";string strSQL = "select spid from master..sysprocesses where dbid=db_id( 'Kc') ";//讀取連接當(dāng)前數(shù)據(jù)庫(kù)的進(jìn)程SqlDataAdapter Da = new SqlDataAdapter(strSQL, conn);DataTable spidTable = new DataTable();Da.Fill(spidTable);SqlCommand Cmd = new SqlCommand();Cmd.CommandType = CommandType.Text;Cmd.Connection = conn;for (int iRow = 0; iRow <= spidTable.Rows.Count - 1; iRow++){Cmd.CommandText = "kill " + spidTable.Rows[iRow][0].ToString(); //強(qiáng)行關(guān)閉用戶(hù)進(jìn)程 Cmd.ExecuteNonQuery();}conn.Close();conn.Dispose();//--------------------------------------------------------------------SqlConnection sqlcon = new SqlConnection(DateStr);sqlcon.Open();SqlCommand sqlCmd = new SqlCommand("backup database Kc to disk='" + textPaht.Text.Trim() + "' restore database Kc from disk='" + textPaht.Text.Trim() + "'", sqlcon);sqlCmd.ExecuteNonQuery();sqlCmd.Dispose();sqlcon.Close();sqlcon.Dispose();MessageBox.Show("數(shù)據(jù)還原成功！", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);MessageBox.Show("為了必免數(shù)據(jù)丟失，在數(shù)據(jù)庫(kù)還原后將關(guān)閉整個(gè)系統(tǒng)。");Application.Exit();}else{MessageBox.Show("請(qǐng)選擇備份文件！", "提示", MessageBoxButtons.OK, MessageBoxIcon.Warning);}}