How to list of all folders in a Dropdown list

Here is the code snippet that lists all directories in a DropDown List in ASP.NET and C#.

Step 1. Create a Website using ASP.NET Web Applicaiton 

 

Step 2. Add a DropDownList control to the default form. 

 

Step 3. On the page load event handler, write the code after adding using System.IO; namespace. This below code uses the Directory class and its GetDirectories method that returns a list of all directories in a drive. You can change your drive

 

foreach (var folder in Directory.GetDirectories(@"E:\"))

{

    DropDownList1.Items.Add(folder.ToString().Replace(@"E:\",""));

}

 

Run your application to get list of all folders.

 

Here is a Complete C# Directory Tutorial to learn more about how to work with folders in C#.