customv.aspx.cs

关于ASP.NET制作程序模块

using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

public partial class _Default : System.Web.UI.Page 
{
    protected void Page_Load(object sender, EventArgs e)
    {
        
    }
    protected void CustomValidator1_ServerValidate(object source, ServerValidateEventArgs args)
    {
        args.IsValid = false;
        try
        {
            int number = Int32.Parse(args.Value);
            if (number % 2 == 0)//判断是否能被2整除
            {
                args.IsValid = true;//验证通过
                this.lab.Text = "通过验证";
            }
        }
        catch
        {
            this.lab.Text = "请输入数字";  
        }

    }
}