ASP.NET备份恢复SqlServer数据库

  备份SqlServer数据库:
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('此文件已存在，请从新输入！');location='Default.aspx'</script>");
return;
}
SqlCommand com = new SqlCommand(SqlStr2, con);
com.ExecuteNonQuery();
Response.Write("<script language=javascript>alert('备份数据成功！');location='Default.aspx'</script>");
}
catch (Exception error)
{
Response.Write(error.Message);
Response.Write("<script language=javascript>alert('备份数据失败！')</script>");
}
finally
{
con.Close();
}
还原SqlServer数据库:
string path = this.FileUpload1.PostedFile.FileName; //获得备份路径及数据库名称
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('还原数据成功！');location='Default.aspx'</script>");
}
catch (Exception error)
{
Response.Write(error.Message);
Response.Write("<script language=javascript>alert('还原数据失败！')</script>");
}
finally
{
con.Close();
}

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