deny user to delete a file

Question

hi everyone in my project i want to deny users to delete my log file (x.txt) i searched but i couldnt get any answer about this topic in this forum. in fact my subject is that i will create a file as a log file (X.txt). If i want to delete it i will set a specific property such as canDelete as True it will be allowed to delete from anybody how ever if i set canDelete=False nobody will delete it. is it possible? waiting you suggestions thanx

Ali Emrah PEKESEN · Answer

Maninder thanx for your answer but it's not my answer :( i asked it for mobile applications not about web applications so there isnt any web.config or app.config in my application. i try to make it with windows identifier permission's capability. I must change these capabilities with c sharp on my pda :( thanx for reply..

Shankey · Answer

Hi Ali For this you can set trust level for the users that can be one of the following: You just need to make following highlighted changes in your web config:  Dont forget to mark my answer as accepted if it helped you :) Web.config Note: As an alternative to hand editing this file you can use the web admin tool to configure settings for your application. Use the Website->Asp.Net Configuration option in Visual Studio. A full list of settings and comments can be found in machine.config.comments usually located in \Windows\Microsoft.Net\Framework\v2.x\Config --> Set compilation debug=true to insert debugging symbols into the compiled page. Because this affects performance set this value to true only during development. --> The section enables configuration of the security authentication mode used by ASP.NET to identify an incoming user. --> The section enables configuration of what to do if/when an unhandled error occurs during the execution of a request. Specifically it enables developers to configure html error pages to be displayed in place of a error stack trace. --> Your aspx page: using System; using System.Data; using System.Configuration; using System.Web; using System.Web.Security; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.UI.WebControls.WebParts; using System.Web.UI.HtmlControls; using System.IO; public partial class _Default : System.Web.UI.Page { protected void Page_Load(object sender EventArgs e) { try { DirectoryInfo dirInfo = new DirectoryInfo(E:\temp); dirInfo.Attributes = FileAttributes.ReadOnly; FileInfo[] rgFiles = dirInfo.GetFiles(*.txt); foreach (FileInfo fi in rgFiles) { fi.Delete(); } } catch { Response.Write(You are not allowed to delete files); } } }