1.  < %@ Page  Language ="C#"  AutoEventWireup ="true"  CodeFile ="DatabaseAction.aspx.cs"  Inherits ="DatabaseAction" % > 
     2. 
     3.  < !DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd" > 
     4. 
     5.  < html  xmlns ="http://www.w3.org/1999/xhtml"  > 
     6.  < head  runat ="server" > 
     7.          < title >无标题页 </title> 
     8.  </head> 
     9.  < body > 
    10.          < form  id ="form1"  runat ="server" > 
    11.          < div > 
    12.          < table  border ="0"  width ="100%" > 
    13.          < tr > < td  colspan ="2" >数据库还原和备份 </td> </tr> 
    14.          < tr > < td >请选择数据库 </td> < td > 
    15.                  < asp:DropDownList  ID ="ddlDatabaseList"  runat ="server" > 
    16.                  </asp:DropDownList> </td> </tr> 
    17.          < tr > < td > 
    18.                 数据库文件名 </td> < td > 
    19.                  < asp:TextBox  ID ="txtDbFileName"  runat ="server" > </asp:TextBox> </td> </tr> 
    20.          < tr > < td > 
    21.                 操作选项 </td> < td > 
    22.                  < asp:RadioButton  ID ="rbBackup"  runat ="server"  Checked ="True"  GroupName ="action"  Text ="备份"  /> 
    23.                  < asp:RadioButton  ID ="rbRestore"  runat ="server"  GroupName ="action"  Text ="还原"  /> </td> </tr> 
    24.                  < tr > < td > 
    25.                 操作 </td> < td > 
    26.                             < asp:Button  ID ="btnOK"  runat ="server"  OnClick ="btnOK_Click"  Text ="执行"  /> </td> </tr> 
    27.          </table> 
    28.          </div> 
    29.          </form> 
    30.  </body> 
    31.  </html>

     1. using System; 
     2. using System.Data; 
     3. using System.Configuration; 
     4. using System.Collections; 
     5. using System.Web; 
     6. using System.Web.Security; 
     7. using System.Web.UI; 
     8. using System.Web.UI.WebControls; 
     9. using System.Web.UI.WebControls.WebParts; 
    10. using System.Web.UI.HtmlControls; 
    11. using System.Data.SqlClient; 
    12. 
    13. /// <summary> 
    14. /// 功能说明：本例中演示在asp.net中如何备份和恢复数据库 
    15. /// 备份数据库主要使用数据库的备份语句。数据库备份文件放在 
    16. /// App_Data文件夹下。 
    17. /// 作者：周公 
    18. /// 日期：2008-08-19 
    19. /// 首发地址：http://blog.csdn.net/zhoufoxcn/archive/2008/08/19/2796077.aspx 
    20. /// </summary> 
    21.  public partial  class DatabaseAction : System.Web.UI.Page 
    22. { 
void Page_Load() void Page_Load(object sender, EventArgs e) 
    24.         { 
    25.                  if (!Page.IsPostBack) 
    26.                 { 
    27.                         //在DropDownList中绑定所有数据库 
    28.                         SqlConnection connection =  new SqlConnection( "Data Source=ZHOUFOXCN;User ID=sa;Password=sa"); 
    29.                         SqlCommand command =  new SqlCommand( "sp_helpdb", connection); 
    30.                         command.CommandType = CommandType.StoredProcedure; 
    31.                         connection.Open(); 
    32.                         SqlDataReader reader = command.ExecuteReader(); 
    33.                         ddlDatabaseList.DataSource = reader; 
    34.                         ddlDatabaseList.DataTextField =  "Name"; 
    35.                         ddlDatabaseList.DataBind(); 
    36.                         reader.Close(); 
    37.                         connection.Close(); 
    38.                 } 
    39.         } 
void btnOK_Click() void btnOK_Click(object sender, EventArgs e) 
    41.         { 
    42.                  string dbFileName = txtDbFileName.Text. Trim(); 
    43.                 SqlConnection connection =  new SqlConnection( "Data Source=ZHOUFOXCN;User ID=sa;Password=sa"); 
    44.                  string dbName = ddlDatabaseList.SelectedValue; 
    45.                  if (!dbFileName.EndsWith( ".bak")) 
    46.                 { 
    47.                         dbFileName +=  ".bak"; 
    48.                 } 
    49.                  if (rbBackup.Checked)//备份数据库 
    50.                 { 
    51.                         SqlCommand command =  new SqlCommand( "use master;backup database @name to disk=@path;",connection); 
    52.                         connection.Open(); 
    53.                          string path=Server.MapPath( "~\\App_Data")+"\\"+dbFileName; 
    54.                         command.Parameters.AddWithValue( "@name", dbName); 
    55.                         command.Parameters.AddWithValue( "@path", path); 
    56.                         command.ExecuteNonQuery(); 
    57.                         connection.Close(); 
    58.                 } 
    59.                  else//恢复数据库 
    60.                 { 
    61.                         SqlCommand command =  new SqlCommand( "use master;restore database @name from disk=@path;", connection); 
    62.                         connection.Open(); 
    63.                          string path = Server.MapPath( "~\\App_Data") + "\\" + dbFileName; 
    64.                         command.Parameters.AddWithValue( "@name", dbName); 
    65.                         command.Parameters.AddWithValue( "@path", path); 
    66.                         command.ExecuteNonQuery(); 
    67.                         connection.Close(); 
    68.                 } 
    69.         } 
    70. }

本文转自周金桥51CTO博客，原文链接： http://blog.51cto.com/zhoufoxcn/166839 ，如需转载请自行联系原作者