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備份：
在備份按鈕里寫(xiě)：
復(fù)制代碼 代碼如下:
protected void Button1_Click(object sender, EventArgs e)
{
string path = "e://MAZ數(shù)據(jù)庫(kù)備份//" + Menu+ ".bak";
if (File.Exists(path))
{
File.Delete(path);//注意，這個(gè)步驟很重要，如果重復(fù)，在備份的數(shù)據(jù)，就會(huì)變成，
//你剛開(kāi)始的數(shù)據(jù),所以每次都要先刪除．
}
if (!File.Exists(path))
{
FileStream fs = File.Create(path);
fs.Close();
}
string backupstr="backup database Test to disk='"+path+"';";
SqlConnection con = new SqlConnection("server=localhost;database=Menu;uid=sa;pwd=sa;");
SqlCommand cmd = new SqlCommand(backupstr, con);
try
{
con.Open();
cmd.ExecuteNonQuery();
MessageBox.Show("備份成功！");
connection.Close();
}
catch (Exception ex)
{
string stringError = ex.ToString();
MessageBox.Show("備份失??！");
connection.Close();
}
}
還原：
在還原按鈕里寫(xiě)：
復(fù)制代碼 代碼如下:
protected void Button2_Click(object sender, EventArgs e)
{
string path = "e://MAZ數(shù)據(jù)庫(kù)備份//" + Menu+ ".bak";
string connectionStringTest = "server=localhost ;database=master;uid=sa;pwd=sa";
SqlConnection connection = new SqlConnection(connectionStringTest);
string backupstr = "restore database Menu from disk='" + path + "';";
try
{
string sql = "exec killspid '" + Menu+ "'";//這個(gè)很關(guān)鍵，要不然就出現(xiàn)題目上的錯(cuò)誤了
SqlCommand cmd = new SqlCommand(sql, connection);
connection.Open();
cmd.ExecuteNonQuery();
cmd = new SqlCommand(backupstr, connection);
cmd.ExecuteNonQuery();
MessageBox.Show("恢復(fù)成功！");
connection.Close();
}
catch (Exception ex)
{
string stringError = ex.ToString();
MessageBox.Show("恢復(fù)失?。?);
connection.Close();
}
}
存儲(chǔ)過(guò)程 killspid
復(fù)制代碼 代碼如下:
create proc killspid (@dbname varchar(20))
as
begin
declare @sql nvarchar(500)
declare @spid int
set @sql='declare getspid cursor for
select spid from sysprocesses where dbid=db_id('''+@dbname+''')'
exec (@sql)
open getspid
fetch next from getspid into @spid
while @@fetch_status <>-1
begin
exec('kill') +@spid
fetch next from getspid into @spid
end
close getspid
deallocate getspid
end
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