class DatabaseConnection { [string] $Server [string] $Database [string] $Username [string] $Password [switch] $WindowsAuth } function Connect-Database { [cmdletbinding()] param ( [parameter(Mandatory=$true)] [DatabaseConnection]$Connection ) if ($Connection.WindowsAuth) { $conn = New-Object System.Data.SqlClient.SqlConnection $conn.ConnectionString = "Server=$($Connection.Server);Database=$($Connection.Database);Integrated Security=True;" } else { $conn = New-Object System.Data.SqlClient.SqlConnection $conn.ConnectionString = "Server=$($Connection.Server);Database=$($Connection.Database);User ID=$($Connection.Username);Password=$($Connection.Password);" } try { $conn.Open() Write-Output "Connection successful" } catch { Write-Output "Error connecting to database: $($_.Exception.Message)" } finally { $conn.Close() } }

fix invalid code:

class DatabaseConnection {
    [string] $Server
    [string] $Database
    [string] $Username
    [string] $Password
    [switch] $WindowsAuth
}

function Connect-Database {
    [cmdletbinding()]
    param (
        [parameter(Mandatory=$true)]
        [DatabaseConnection]$Connection
    )

    if ($Connection.WindowsAuth) {
        $conn = New-Object System.Data.SqlClient.SqlConnection
        $conn.ConnectionString = "Server=$($Connection.Server);Database=$($Connection.Database);Integrated Security=True;"
    } else {
        $conn = New-Object System.Data.SqlClient.SqlConnection
        $conn.ConnectionString = "Server=$($Connection.Server);Database=$($Connection.Database);User ID=$($Connection.Username);Password=$($Connection.Password);"
    }

    try {
        $conn.Open()
        Write-Output "Connection successful"
    } catch {
        Write-Output "