get list of ldap attributes for employeeid in csharp

main.cs
using System.DirectoryServices;

// Define the LDAP path to the directory
string ldapPath = "LDAP://example.com/DC=example,DC=com";

// Define the user and password credentials
string username = "username";
string password = "password";

try
{
    // Create a new DirectoryEntry object to connect to the directory
    DirectoryEntry entry = new DirectoryEntry(ldapPath, username, password);

    // Define the LDAP query to retrieve the employeeid attribute
    string ldapQuery = "(objectClass=user)";

    // Define the list of attributes to retrieve (employeeid in this case)
    string[] ldapAttributes = { "employeeid" };

    // Create a new DirectorySearcher object to execute the LDAP query
    DirectorySearcher searcher = new DirectorySearcher(entry, ldapQuery, ldapAttributes);

    // Specify that we want to return all attributes
    searcher.SearchScope = SearchScope.Subtree;

    // Execute the search and iterate through the results
    SearchResultCollection results = searcher.FindAll();
    foreach (SearchResult result in results)
    {
        // Get the employeeid attribute value for each user object
        if (result.Properties["employeeid"].Count > 0)
        {
            string employeeId = result.Properties["employeeid"][0].ToString();
            Console.WriteLine("Employee ID: " + employeeId);
        }
    }
}
catch (Exception ex)
{
    Console.WriteLine("Error: " + ex.Message);
}
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