[英]How to restore a SQL Server 2012 database .bak file in C#?
我在Windows窗体中开发了一个MIS,我在其中备份了我的SQL Server 2012数据库,但是我无法恢复备份( .bak
)文件。
这是我的代码:
private void buttonRestore_Click(object sender, EventArgs e)
{
try
{
openFileDialog1.Filter = "Backup File |*.bak";
if (openFileDialog1.ShowDialog() == DialogResult.OK)
{
string sql = "Alter Database BOQ SET SINGLE_USER WITH ROLLBACK IMMEDIATE;";
sql += "Restore Database BOQ FROM DISK ='" + openFileDialog1.FileName + "' WITH REPLACE;";
SqlConnection con = new SqlConnection("Data Source=.; Initial Catalog=BOQ;Integrated Security=True");
SqlCommand command = new SqlCommand(sql,con);
con.Open();
command.ExecuteNonQuery();
MessageBox.Show("Database Recovered Successfully!");
con.Close();
con.Dispose();
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
但我得到这个错误:
您无法连接到您的数据库BOQ
,然后恢复.bak
顶部!
"Data Source=.; Initial Catalog=BOQ;Integrated Security=True"
****
您需要连接到master
数据库, 然后您可以恢复您的BOQ
数据库:
"Data Source=.; Initial Catalog=master;Integrated Security=True"
*******
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