Asp.net中使用文本框的值动态生成控件的方法_实用技巧_

 using System; using System.Collections.Generic; using System.Linq; using System.Web; /// 
 /// Summary description for Letter /// 
 namespace Insus.NET { public class Letter { private string _Name; public string Name { get { return _Name; } set { _Name = value; } } public Letter() { } public Letter(string name) { this._Name = name; } } } 

 using System; using System.Collections.Generic; using System.Linq; using System.Web; /// 
 /// Summary description for LetterEntity /// 
 namespace Insus.NET { public class LetterEntity { private List _Letter = new List(); public void Add(Letter l) { this._Letter.Add(l); } public IEnumerable Letters { get { return this._Letter; } } } } 

 using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; using Insus.NET; public partial class Default2 : System.Web.UI.Page { LetterEntity le = new LetterEntity(); protected void Page_Load(object sender, EventArgs e) { if (!IsPostBack) { Data_Binding(); } le = TemporaryLetters; } private void Data_Binding() { this.CheckBoxList1.DataSource = le.Letters; this.CheckBoxList1.DataTextField = "Name"; this.CheckBoxList1.DataBind(); } protected void Button1_Click(object sender, EventArgs e) { Letter l = new Letter(); if (!string.IsNullOrEmpty(this.TextBox1.Text.Trim())) l.Name = this.TextBox1.Text.Trim(); le.Add(l); TemporaryLetters = le; Data_Binding(); } public LetterEntity TemporaryLetters { get { if (Session["LetterEntity"] == null) return new LetterEntity(); else return (LetterEntity)Session["LetterEntity"]; } set { Session["LetterEntity"] = value; } } }