applyrangevalidator.aspx.cs

来自「asp.net专家200问(含源代码解决法案」· CS 代码 · 共 101 行

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;

namespace ApplyRangeValidator
{
	/// <summary>
	/// WebForm1 的摘要说明。
	/// </summary>
	public class WebForm1 : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.TextBox txtComp1;
		protected System.Web.UI.WebControls.Label lblOutput1;
		protected System.Web.UI.WebControls.TextBox txtComp2;
		protected System.Web.UI.WebControls.Label lblOutput2;
		protected System.Web.UI.WebControls.TextBox txtComp3;
		protected System.Web.UI.WebControls.Label lblOutput3;
		protected System.Web.UI.WebControls.RangeValidator rangeValInteger;
		protected System.Web.UI.WebControls.RangeValidator rangeValDate;
		protected System.Web.UI.WebControls.RangeValidator rangeValString;
		protected System.Web.UI.WebControls.Label lblOutput;
		protected System.Web.UI.WebControls.Button ValidatorBtn;
		protected System.Web.UI.HtmlControls.HtmlForm Form1;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			// 在此处放置用户代码以初始化页面
		}

		#region Web Form Designer generated code
		override protected void OnInit(EventArgs e)
		{
			//
			// CODEGEN：该调用是 ASP.NET Web 窗体设计器所必需的。
			//
			InitializeComponent();
			base.OnInit(e);
		}
		
		/// <summary>
		/// 设计器支持所需的方法 - 不要使用代码编辑器修改
		/// 此方法的内容。
		/// </summary>
		private void InitializeComponent()
		{    
			this.ValidatorBtn.Click += new System.EventHandler(this.ValidatorBtn_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void ValidatorBtn_Click(object sender, System.EventArgs e)
		{
			rangeValInteger.Validate();
			if (rangeValInteger.IsValid) 
			{
				lblOutput1.Text = "结果：有效！";
			} 
			else 
			{
				lblOutput1.Text = "结果：无效！";
			}
			rangeValDate.Validate();
			if (rangeValDate.IsValid) 
			{
				lblOutput2.Text = "结果：有效！";
			} 
			else 
			{
				lblOutput2.Text = "结果：无效！";
			}

			rangeValString.Validate();
			if (rangeValString.IsValid) 
			{
				lblOutput3.Text = "结果：有效！";
			} 
			else 
			{
				lblOutput3.Text = "结果：无效！";
			}

			if (Page.IsValid) 
			{
				lblOutput.Text = "结果：页有效！";
			} 
			else 
			{
				lblOutput.Text = "结果：页无效！";
			}
		}
	}
}