如何动态添加子控件(动态添加TextBox控件)
来源：互联网 发布：matlab三角波编程 编辑：程序博客网 时间：2024/05/22 05:51
<%...@ Page Language="C#" AutoEventWireup="true" CodeFile="InQuiryAdd2.aspx.cs" Inherits="InQuiryManager_InQuiryAdd2" %>
<!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>娣诲姞璋冩煡淇℃伅</title>
<link href="../CSS/style.css" rel="stylesheet" type="text/css" />
</head>
<body>
<form id="form1" runat="server">
<div>
<table style="width: 100%">
<tr>
<td colspan="2" bgcolor="#5D7B9D" ">
<div class="v12WhiteB" style="padding-top: 3px;">
<a id="A2" href="#"><font color="white">娣诲姞闂</font></a></div>
</td>
<asp:Label ID="Label1" runat="server" ForeColor="Red" Width="300px"></asp:Label><asp:Label ID="Lbl_WrongMessage" runat="server" ForeColor="Red" Width="300px"></asp:Label></tr>
<tr>
<td>
<asp:Label ID="Lbl_InQuiryQuestion" runat="server" Height="11px" Text="鏍囥€€棰? Width="67px"></asp:Label></td>
<td>
<asp:TextBox ID="Txt_InQuiryQuestion" runat="server" CssClass="ipt120px" Width="218px"></asp:TextBox></td>
</tr>
<tr>
<td>
<asp:Label ID="Lbl_IsShow" runat="server" Text="鏄惁鏄剧ず"></asp:Label></td>
<td>
<asp:RadioButton ID="Rad_Yes" runat="server" GroupName="isshow" Text=" 鏄? " />
<asp:RadioButton ID="Rad_No" runat="server" GroupName="isshow" Text=" 鍚?" /></td>
</tr>
<tr>
<td>
<asp:Label ID="Lbl_CheckType" runat="server" Text="閫夐」绫诲瀷"></asp:Label></td>
<td>
<asp:RadioButton ID="Rad_CheckOne" runat="server" GroupName="CheckType" Text="鍗曢€? />
<asp:RadioButton ID="Rad_CheckMore" runat="server" GroupName="CheckType" Text="澶氶€? /></td>
</tr>
<tr>
<td colspan="2" bgcolor="#5D7B9D">
<div class="v12WhiteB" style="padding-top: 3px;">
<a id="A1" href="#"><font color="white">娣诲姞閫夐」</font></a></div>
</td>
</tr>
<tr>
<td>
<asp:DataList ID="DataList1" runat="server" OnItemCreated="DataList1_ItemCreated">
</asp:DataList></td>
<td>
<asp:Button ID="btn_AddQuestion" runat="server" Text="娣诲姞閫夐」" OnClick="btn_AddQuestion_Click" CssClass="btn80px" /></td>
</tr>
<tr>
<td align="center">
<asp:Button ID="btn_Save" runat="server" Text="鎻愪氦" OnClick="btn_Save_Click" Width="100px" CssClass="btn80px" /></td>
<td align="center">
<asp:Button ID="btn_Reset" runat="server" OnClick="btn_Reset_Click" Text="閲嶇疆" Width="100px" CssClass="btn80px" /></td>
</tr>
<tr>
<td align="center" colspan="2">
</td>
</tr>
</table>
</div>
</form>
</body>
</html>
using System;
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 BigOA.Logic;
public partial class InQuiryManager_InQuiryAdd2 : System.Web.UI.Page
...{
protected void Page_Load(object sender, EventArgs e)
...{
if (!this.IsPostBack)
...{
DataTable dt = new DataTable();
dt.Columns.Add("newcolumns");
for (int i = 0; i < 3; i++)
...{
DataRow row = dt.NewRow();
dt.Rows.Add(row);
}
this.DataList1.DataSource = dt;
this.DataList1.DataBind();
ViewState["dt"] = dt;
}
}
protected void btn_AddQuestion_Click(object sender, EventArgs e)
...{
DataTable dt = (DataTable)ViewState["dt"];
for (int i = 0; i < this.DataList1.Items.Count; i++)
...{
TextBox tb = (TextBox)this.DataList1.Items[i].Controls[0];
dt.Rows[i][0] = tb.Text;
}
DataRow row = dt.NewRow();
row[0] = "";
dt.Rows.Add(row);
ViewState["dt"] = dt;
this.DataList1.DataSource = dt;
this.DataList1.DataBind();
}
protected void DataList1_ItemCreated(object sender, DataListItemEventArgs e)
...{
DataRowView drv = (DataRowView)(e.Item.DataItem);
if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
...{
TextBox tmptxt = new TextBox();
if (drv != null)
...{
tmptxt.Text = drv[0].ToString();
}
tmptxt.MaxLength = 80;
e.Item.Controls.Add(tmptxt);
}
}
protected void btn_Save_Click(object sender, EventArgs e)
...{
try
...{
Lbl_WrongMessage.Text = "";
InQuiryQuestion QuiryQuestion = new InQuiryQuestion();
if (Txt_InQuiryQuestion.Text.Trim() != "")
...{
QuiryQuestion.Title = Txt_InQuiryQuestion.Text.ToString();
}
else
...{
throw new Exception("璋冩煡鏍囬涓嶈兘涓虹┖锛?);
}
if (Rad_Yes.Checked || Rad_No.Checked)
...{
if (Rad_Yes.Checked)
...{
QuiryQuestion.IsShow = "鏄?;
}
else
...{
QuiryQuestion.IsShow = "鍚?;
}
}
else
...{
throw new Exception("鏄惁鏄剧ず鑷冲皯瑕侀€夋嫨涓€椤癸紒");
}
if (Rad_CheckMore.Checked || Rad_CheckOne.Checked)
...{
if (Rad_CheckMore.Checked)
...{
QuiryQuestion.CheckType = "澶氶€?;
}
else
...{
QuiryQuestion.CheckType = "鍗曢€?;
}
}
else
...{
throw new Exception("绫诲瀷鑷冲皯瑕侀€夋嫨涓€椤癸紒");
}
for (int i = 0; i < this.DataList1.Items.Count; i++)
...{
TextBox txt_tmp = (TextBox)this.DataList1.Items[i].Controls[0];
if (txt_tmp.Text.Trim() == "")
...{
txt_tmp.Focus();
throw new Exception("鎮ㄦ病鏈夊～鍐欒皟鏌ラ€夐」!");
}
}
int id = QuiryQuestion.Insert();
for (int i = 0; i < this.DataList1.Items.Count; i++)
...{
TextBox txt_answer = (TextBox)this.DataList1.Items[i].Controls[0];
SaveAnswer(id, txt_answer.Text);
}
Page.ClientScript.RegisterStartupScript(typeof(string), "", "<script language='javascript'>alert('娣诲姞鎴愬姛');window.location.href=window.location.href;</script>");
Txt_InQuiryQuestion.Text = "";
Rad_No.Checked = false;
Rad_Yes.Checked = false;
Rad_CheckMore.Checked = false;
Rad_CheckOne.Checked = false;
}
catch (Exception ex)
...{
Lbl_WrongMessage.Text = ex.Message.ToString();
}
}
private void SaveAnswer(int questionID, string answer)
...{
try
...{
Lbl_WrongMessage.Text = "";
InQuiryAnswer QuiryAnswer = new InQuiryAnswer();
QuiryAnswer.Answer = answer;
QuiryAnswer.InQuiryQuestionID = questionID;
QuiryAnswer.Insert();
}
catch (Exception ex)
...{
Lbl_WrongMessage.Text = ex.Message.ToString();
}
}
protected void btn_Reset_Click(object sender, EventArgs e)
...{
Lbl_WrongMessage.Text = "";
Txt_InQuiryQuestion.Text = "";
Rad_Yes.Checked = false;
Rad_No.Checked = false;
Rad_CheckMore.Checked = false;
Rad_CheckOne.Checked = false;
Page.ClientScript.RegisterStartupScript(typeof(string), "", "<script language='javascript'>window.location.href=window.location.href;</script>");
}
}
