using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

public partial class admin__uc_alert : System.Web.UI.UserControl
{
    //asp.net Framework 4.8 website 預設不支援 C#6功能替代方案
    private alert_type? _Type = alert_type.info;
    public alert_type? Type { 
        get { return _Type; } 
        set { 
            _Type = value;
            ChangeStatus();
        } 
    }
    private string _Text;
    public string Text { 
        get { return _Text; } 
        set { 
            _Text = value; 
            ChangeStatus();
        }
    }
    private string init_class= "alert d-flex align-items-center mx-2";

    protected void Page_Load(object sender, EventArgs e)
    {
        //init_class = alert.Attributes["class"];
        ChangeStatus();
    }
    protected void ChangeStatus()
    {
        alert.Visible = !(Type == null || String.IsNullOrEmpty(Text));
        alert.Attributes["class"] = init_class + " alert-" + Type;
    }
}
public enum alert_type
{
    info, success, warning, danger
}