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asp.net mvc - How to check Read and write permissions on folder in C#

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1 Answer

answered Oct 24, 2021 by 深蓝 (71.8m points)

How to check read and write permission on a folder

string folder = ...

var permission = new FileIOPermission(FileIOPermissionAccess.Write, folder);
var permissionSet = new PermissionSet(PermissionState.None);
permissionSet.AddPermission(permission);
if (permissionSet.IsSubsetOf(AppDomain.CurrentDomain.PermissionSet))
{
    // You have write permission for the given folder
}

How to create an html file on runtime in project root

string file = Path.Combine(Server.MapPath("~/"), "foo.html");
File.WriteAllText(file, "<html><body><h1>Hello</h1></body></html>");

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