![](/Images/OutliningIndicators/ContractedBlock.gif) asp.net下实现数据库的备份与恢复 1 1. 2![](/Images/OutliningIndicators/None.gif) 3 private void BtnDataBackup_Click(object sender, System.EventArgs e) 4![](/Images/OutliningIndicators/ExpandedBlockStart.gif) { 5 if ( lstDb.Items.Count == 0 ) 6![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif) { 7 pub.Alert("数据库列表不能为空!", this.Page); 8 } 9 else if( txtInFile.Text =="" ) 10![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif) { 11 pub.Alert("备份文件名称不能为空!", this.Page); 12![](/Images/OutliningIndicators/InBlock.gif) 13 } 14 else if( txtDbName.Text =="" || txtUserName.Text == "") 15![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif) { 16 pub.Alert("数据库,用户不能为空!!",this.Page); 17![](/Images/OutliningIndicators/InBlock.gif) 18 } 19 else 20![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif) { 21 BtnDataRestore.Enabled = false; 22 BtnQuery.Enabled = false; 23 btnCear.Enabled = false; 24 if ( baks.BackUPDB(lstDb.SelectedItem.ToString(),txtInFile.Text,txtDbName.Text,txtUserName.Text,txtPwd.Text) == true ) 25![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif) { 26 pub.Alert("备份成功!",this.Page); 27 } 28 else 29![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif) { 30 pub.Alert("要备份的路径错误不存在,请输入正确路径!!",this.Page); 31 } 32 BtnDataRestore.Enabled = true; 33 BtnQuery.Enabled = true; 34 btnCear.Enabled = true; 35 } 36 } 37![](/Images/OutliningIndicators/None.gif) 38 private void BtnDataRestore_Click(object sender, System.EventArgs e) 39![](/Images/OutliningIndicators/ExpandedBlockStart.gif) { 40 //恢复数据库 41 if ( lstDb.Items.Count == 0 ) 42![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif) { 43 pub.Alert("数据库列表不能为空!", this.Page); 44 } 45 else if ( txtOutFile.Text =="" ) 46![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif) { 47 pub.Alert("还原文件名称不能为空!", this.Page); 48 49 } 50 else if( txtDbName.Text =="" || txtUserName.Text == "") 51![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif) { 52 pub.Alert("数据库,用户不能为空!!",this.Page); 53![](/Images/OutliningIndicators/InBlock.gif) 54![](/Images/OutliningIndicators/InBlock.gif) 55 } 56 else 57![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif) { 58 BtnDataBackup.Enabled = false; 59 BtnQuery.Enabled = false; 60 btnCear.Enabled = false; 61![](/Images/OutliningIndicators/InBlock.gif) 62 if ( baks.RestoreDB(lstDb.SelectedItem.ToString(),txtOutFile.Text,txtDbName.Text,txtUserName.Text,txtPwd.Text) == true ) 63![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif) { 64 pub.Alert("恢复成功!",this.Page); 65 } 66 else 67![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif) { 68 pub.Alert("要恢复的数据库文件不存在,请输入正确路径!!",this.Page); 69 } 70 BtnDataBackup.Enabled = true; 71 BtnQuery.Enabled = true; 72 btnCear.Enabled = true; 73 } 74 } 75![](/Images/OutliningIndicators/None.gif) 76![](/Images/OutliningIndicators/None.gif) 77![](/Images/OutliningIndicators/None.gif) 78 2. 79![](/Images/OutliningIndicators/None.gif) 80 namespace WebSearch 81![](/Images/OutliningIndicators/ExpandedBlockStart.gif) ![](/Images/OutliningIndicators/ContractedBlock.gif) { 82 83 public class bakServer 84![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif) { 85 string ServerName; //数据服务器名称 86 string UserName; //用户名称 87 string Password; //用户密码 88 string message; //消息提示 89 90 public bakServer() 91![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif) { 92 // 93 // TODO: 在此处添加构造函数逻辑 94 // 95 } 96![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif) /**//// 97 /// 取得数据库服务器列表 98 /// 99 /// 数据库服务器列表 100 public ArrayList GetServerList() 101![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif) { 102 ArrayList alServers = new ArrayList() ; 103 SQLDMO.ApplicationClass sqlApp = new SQLDMO.ApplicationClass(); 104 try 105![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif) { 106 SQLDMO.NameList serverList = sqlApp.ListAvailableSQLServers() ; 107 if(serverList !=null) 108![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif) { 109 for(int i = 1;i<= serverList.Count;i++) 110![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif) { 111 alServers.Add(serverList.Item(i)) ; 112 } 113 } 114 else 115![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif) { 116 message="你的系统需要打上SQL SERVER 2000 SP3这个补丁"; 117 } 118 } 119 catch(Exception e) 120![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif) { 121![](/Images/OutliningIndicators/InBlock.gif) 122 message = "取数据库服务器列表出错:" +e.Message; 123![](/Images/OutliningIndicators/InBlock.gif) 124 } 125 finally 126![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif) { 127 sqlApp.Quit() ; 128 } 129 return alServers ; 130 } 131![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif) /**//// 132 /// 错误消息处理 133 /// 134 /// 消息信息 135 public string Msg() 136![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif) { 137 return message; 138 } 139![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif) /**//// 140 /// 取得指定数据库列表 141 /// 142 /// 服务器名称 143 /// 用户名称 144 /// 用户密码 145 /// 数据库列表 146 public ArrayList GetDbList(string strServerName,string strUserName,string strPwd) 147![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif) { 148 ServerName = strServerName ; 149 UserName = strUserName ; 150 Password = strPwd ; 151 152 ArrayList alDbs = new ArrayList() ; 153 SQLDMO.ApplicationClass sqlApp = new SQLDMO.ApplicationClass() ; 154 SQLDMO.SQLServer svr = new SQLDMO.SQLServerClass() ; 155 try 156![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif) { 157 svr.Connect(ServerName,UserName,Password) ; 158 foreach(SQLDMO.Database db in svr.Databases) 159![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif) { 160 if(db.Name!=null) 161 alDbs.Add(db.Name) ; 162 } 163 } 164 catch(Exception err) 165![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif) { 166 // throw(new Exception("连接数据库出错:"+e.Message)) ; 167 message = "连接数据库出错:" +err.Message; 168 } 169 finally 170![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif) { 171 svr.DisConnect() ; 172 sqlApp.Quit() ; 173 } 174 return alDbs ; 175 } 176![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif) /**//// 177 /// 数据库名称 178 /// 备份文件名 179 /// 服务器名称 180 /// 用户名称 181 /// 密码 182 /// 备份成功返回true ,否则返回false 183 public bool BackUPDB(string strDbName,string strFileName, string strServerName,string strUserName,string strPwd) 184![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif) { 185 ServerName = strServerName ; 186 UserName = strUserName ; 187 Password = strPwd ; 188 SQLDMO.SQLServer svr = new SQLDMO.SQLServerClass() ; 189 try 190![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif) { 191 svr.Connect(ServerName,UserName,Password) ; 192 SQLDMO.Backup bak = new SQLDMO.BackupClass(); 193 bak.Action = 0 ; 194 bak.Initialize = true ; 195 SQLDMO.BackupSink_PercentCompleteEventHandler pceh = new SQLDMO.BackupSink_PercentCompleteEventHandler(Step); 196 bak.PercentComplete += pceh; 197 bak.Files = strFileName; 198 bak.Database = strDbName; 199 bak.SQLBackup(svr); 200 return true ; 201 } 202 catch(Exception err) 203![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif) { 204 // throw(new Exception("备份数据库失败"+err.Message)) ; 205 message = "备份数据库失败:" +err.Message; 206 return false ; 207 } 208 finally 209![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif) { 210 svr.DisConnect() ; 211 } 212 } 213![](/Images/OutliningIndicators/InBlock.gif) 214![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif) /**//// 备份文件名 215 /// 状态条控件名称 216 /// 服务器名称 217 /// 用户名称 218 /// 密码 219 /// 恢复成功返回true ,否则返回false 220 public bool RestoreDB(string strDbName,string strFileName,string strServerName,string strUserName,string strPwd ) 221![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif) { 222 SQLDMO.SQLServer svr = new SQLDMO.SQLServerClass() ; 223 try 224![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif) { 225 ServerName = strServerName ; 226 UserName = strUserName ; 227 Password = strPwd ; 228![](/Images/OutliningIndicators/InBlock.gif) 229 svr.Connect(ServerName,UserName,Password) ; 230 SQLDMO.QueryResults qr = svr.EnumProcesses(-1) ; 231 int iColPIDNum = -1 ; 232 int iColDbName = -1 ; 233 for(int i=1;i<=qr.Columns;i++) 234![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif) { 235 string strName = qr.get_ColumnName(i) ; 236 if (strName.ToUpper().Trim() == "SPID") 237![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif) { 238 iColPIDNum = i ; 239 } 240 else if (strName.ToUpper().Trim() == "DBNAME") 241![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif) { 242 iColDbName = i ; 243 } 244 if (iColPIDNum != -1 && iColDbName != -1) 245 break ; 246 } 247![](/Images/OutliningIndicators/InBlock.gif) 248 for(int i=1;i<=qr.Rows;i++) 249![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif) { 250 int lPID = qr.GetColumnLong(i,iColPIDNum) ; 251 string strDBName = qr.GetColumnString(i,iColDbName) ; 252 if (strDBName.ToUpper() == strDbName.ToUpper()) 253 svr.KillProcess(lPID) ; 254 } 255![](/Images/OutliningIndicators/InBlock.gif) 256 SQLDMO.Restore res = new SQLDMO.RestoreClass() ; 257 res.Action = 0 ; 258 SQLDMO.RestoreSink_PercentCompleteEventHandler pceh = new SQLDMO.RestoreSink_PercentCompleteEventHandler(Step); 259 res.PercentComplete += pceh; 260 res.Files = strFileName ; 261![](/Images/OutliningIndicators/InBlock.gif) 262 res.Database = strDbName ; 263 res.ReplaceDatabase = true ; 264 res.SQLRestore(svr) ; 265 return true ; 266 } 267 catch(Exception err) 268![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif) { 269![](/Images/OutliningIndicators/InBlock.gif) 270 message = "恢复数据库失败,请关闭所有和该数据库连接的程序!" +err.Message; 271 return false; 272 } 273 finally 274![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif) { 275 svr.DisConnect() ; 276 } 277 } 278 279 } 280 } 281![](/Images/OutliningIndicators/None.gif)
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