如何使用ASP.NET備份和恢複SqlServer資料庫

來源:互聯網
上載者:User

首先我們先分析ASP備份SQL資料庫的代碼,詳細如下:

備份SqlServer資料庫:
string SqlStr1 = "Server=(local);database='" + this.DropDownList1.SelectedValue + "';Uid=sa;Pwd=";
string SqlStr2 = "backup database " + this.DropDownList1.SelectedValue + " to disk='" + this.TextBox1.Text.Trim() + ".bak'";
SqlConnection con = new SqlConnection(SqlStr1);
con.Open();
try
{
if (File.Exists(this.TextBox1.Text.Trim()))
{
Response.Write("<script language=javascript>alert('此檔案已存在,請從新輸入!');location='Default.aspx'</script>");
return;
}
SqlCommand com = new SqlCommand(SqlStr2, con);
com.ExecuteNonQuery();
Response.Write("<script language=javascript>alert('備份資料成功!');location='Default.aspx'</script>");
}
catch (Exception error)
{
Response.Write(error.Message);
Response.Write("<script language=javascript>alert('備份資料失敗!')</script>");
}
finally
{
con.Close();
}

下面是ASP.NET還原SQL資料庫的方法,代碼如下:

還原SqlServer資料庫:
string path = this.FileUpload1.PostedFile.FileName; //獲得備份路徑及資料庫名稱
string dbname = this.DropDownList1.SelectedValue;
string SqlStr1 = "Server=(local);database='" + this.DropDownList1.SelectedValue + "';Uid=sa;Pwd=";
string SqlStr2 = "use master restore database " + dbname + " from disk='" + path + "'";
SqlConnection con = new SqlConnection(SqlStr1);
con.Open();
try
{
SqlCommand com = new SqlCommand(SqlStr2, con);
com.ExecuteNonQuery();
Response.Write("<script language=javascript>alert('還原資料成功!');location='Default.aspx'</script>");
}
catch (Exception error)
{
Response.Write(error.Message);
Response.Write("<script language=javascript>alert('還原資料失敗!')</script>");
}
finally
{
con.Close();
}



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