how to read or write text file using asp.net

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When i run the code how to read or write text file using asp.net but it gives an error:--

C#

protected void Button3_Click(object sender, EventArgs e)
    {
        string path = FileUpload1.PostedFile.FileName;
        if(!string.IsNullOrEmpty(path))
        {
            string[] readText=File.ReadAllLines(path);
            StringBuilder strbuild=new StringBuilder();
            foreach(string s in readText)
            {
                strbuild.Append(s);
                strbuild.AppendLine();
                   
            }
            TextBox2.Text=strbuild.ToString();
        }
        
    }

like this:

Could not find file 'C:\Program Files\Microsoft Visual Studio 8\Common7\IDE\aaaaaa.txt'.

but the actuall path is not right the text file is put on the desktop it shows and the aaaaaa.txt file is shown in the diffenent path please help me on this

so how can i solve this problem

Posted 3-Oct-11 7:47am

arunnarwal

Updated 4-Oct-11 16:13pm

walterhevedeich

v3

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Not Active · Answer 1 · 2011-10-03T07:54:00

Remember that ASP.NET applicataions operate within a virtual folder and sandbox in IIS. The application must have access to any folderes/files you are attempting to load. Your desktop location will not be the same as another users and will not be accessible by the IIS_USR account regardless. You appear to be running the application from the file system via the IDE so it looking for the file in that path.

You should create a folder within your application structure and open any files using Server.MapPath

Also, please format any code snippets you post using the "code" toolbar item above the textarea you entered your question in.

Sergey Alexandrovich Kryukov · Answer 2 · 2011-10-03T07:52:00

Solution 1

You problem is the file name, actually the location of the file. With ASP.NET, you cannot access any file outside the sub-directory defined by the root directory of your site.

—SA

Posted 3-Oct-11 7:52am

Sergey Alexandrovich Kryukov

Ram Balak Sharma · Answer 3 · 2011-10-03T18:42:00

Solution 3

You can read or write the file out side the application folder as well but you will have the ful right on that folder.
and define that path in web.config file and use the streamReader and Streamwriter.

Posted 3-Oct-11 18:42pm

Ram Balak Sharma

sravani.v · Answer 4 · 2011-10-03T19:04:00

Solution 4

Refer this link

http://aspalliance.com/544_CodeSnip_Read_and_Write_Text_Files_with_ASPNET_20

Posted 3-Oct-11 19:04pm

sravani.v

Updated 3-Oct-11 19:05pm

v2

rkthiyagarajan · Answer 5 · 2011-10-04T15:37:00

Solution 5

Refer this link it may help you....

http://www.aspdotnet-suresh.com/2010/12/how-to-read-and-write-text-file-using.html[^]

Posted 4-Oct-11 15:37pm

rkthiyagarajan