//dataList的绑定事件
protected void dataBind(int num) {
ArrayList al = new ArrayList();
for (int i = 0; i < num; i++)
{
TextBox tb = new TextBox();
tb.ID="txt"+i;
tb.Width = 7;
al.Add(tb);
} this.DataList1.DataSource = al;
this.DataList1.DataBind();
}
//保存文本框中的数据
protected void Button1_Click(object sender, EventArgs e)
{
ArrayList arrayList = new ArrayList();
for (int i = 0; i < DataList1.Items.Count; i++)
{
TextBox texbox = (TextBox)this.DataList1.Items[i].FindControl("txt"+i);
if (texbox!=null)
{
string txtText = texbox.Text;
arrayList.Add(txtText);
}
}
this.DataList1.DataSource = arrayList;
this.DataList1.DataBind();
}
protected void Button2_Click(object sender, EventArgs e)
{
int num=int.Parse(this.TextBox1.Text.ToString());
dataBind(num);
}
===============================================================
我是根据用户输入的个数显示文本框的个数,文本框我显示出来了 ,我想获取所以文本框的值,
再保存到session里面,但不知道为什么就是获取不到那个文本框控件,
哪位大侠帮偶看下,本人感激不尽!
protected void dataBind(int num) {
ArrayList al = new ArrayList();
for (int i = 0; i < num; i++)
{
TextBox tb = new TextBox();
tb.ID="txt"+i;
tb.Width = 7;
al.Add(tb);
} this.DataList1.DataSource = al;
this.DataList1.DataBind();
}
//保存文本框中的数据
protected void Button1_Click(object sender, EventArgs e)
{
ArrayList arrayList = new ArrayList();
for (int i = 0; i < DataList1.Items.Count; i++)
{
TextBox texbox = (TextBox)this.DataList1.Items[i].FindControl("txt"+i);
if (texbox!=null)
{
string txtText = texbox.Text;
arrayList.Add(txtText);
}
}
this.DataList1.DataSource = arrayList;
this.DataList1.DataBind();
}
protected void Button2_Click(object sender, EventArgs e)
{
int num=int.Parse(this.TextBox1.Text.ToString());
dataBind(num);
}
===============================================================
我是根据用户输入的个数显示文本框的个数,文本框我显示出来了 ,我想获取所以文本框的值,
再保存到session里面,但不知道为什么就是获取不到那个文本框控件,
哪位大侠帮偶看下,本人感激不尽!
{
uid = Request.QueryString["uid"].ToString();
if (uid == "")
{
ShowMessages.Box("参数错误!");
return;
}
SqlConnection conn = DBConn.conn();
SqlDataAdapter per = new SqlDataAdapter();
DataSet ds = new DataSet();
try
{
per.SelectCommand = new SqlCommand("select * from cdb_members where uid = '" + uid + "'", conn);
per.Fill(ds, "cdb_members");
this.DataList1.DataSource = ds.Tables["cdb_members"];
this.DataList1.DataBind();
}
catch(SqlException ex)
{
Response.Write(ex.Errors.ToString());
}
finally
{
conn.Close();
per.Dispose();
ds.Dispose();
}
{
foreach (System.Web.UI.Control control in controls)
{
if (control.GetType().ToString() == "System.Web.UI.WebControls.TextBox")
{
}
}
}
我现在文本框都显示了,就是不知道怎么获取那个文本框啊 !
我绑定文本框之后,再在里面赋值,再点击button1 的click事件获取值的啊 buttion2是用来
绑定文本框的!TextBox texbox = (TextBox)this.DataList1.Items[i].FindControl("txt"+i);
我调试过 texbox 为null 不知道为什么?
using System.Data;
using System.Configuration;
using System.Collections;
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;
using System.Collections.Generic;public partial class RightFrame : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected void Button1_Click(object sender, EventArgs e)
{
int num = int.Parse(this.TextBox1.Text.ToString());
string[] list = new string[num];
this.DataList1.DataSource = list;
DataList1.DataBind();
} protected void Button2_Click(object sender, EventArgs e)
{
string result = "";
for (int i = 0; i < DataList1.Items.Count; i++)
{
Control control = DataList1.Items[i].FindControl("TextBox2");
if (control is TextBox)
{
TextBox txt = (TextBox)control;
result += " " + txt.Text;
}
}
Session["result"] = result;
}
}前台<%@ Page Language="C#" AutoEventWireup="true" CodeFile="MainFrame.aspx.cs" Inherits="RightFrame" %><%@ Register Assembly="Microsoft.ReportViewer.WebForms, Version=8.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a"
Namespace="Microsoft.Reporting.WebForms" TagPrefix="rsweb" %><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>无标题页</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:DataList ID="DataList1" runat="server">
<ItemTemplate>
<asp:TextBox ID="TextBox2" runat="server"></asp:TextBox>
</ItemTemplate>
</asp:DataList> </div>
<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
<asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="Button" />
<asp:Button ID="Button2" runat="server" OnClick="Button2_Click" Text="Button" />
</form>
</body>
</html>