用户控件动态加载
能够解决Postback后的问题,但是俺有点小笨,所以浪费的资源有点多,但是基本的解决思路还是有的
可以提供一个思路，一个很笨的思路！
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using System;
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using System.Data;
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using System.Configuration;
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using System.Collections;
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using System.Web;
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using System.Web.Security;
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using System.Web.UI;
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using System.Web.UI.WebControls;
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using System.Web.UI.WebControls.WebParts;
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using System.Web.UI.HtmlControls;
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using System.Collections.Generic;
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public partial class AddControlTest1 : System.Web.UI.Page
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{
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private static IList<TableRow> arrayTableRow = new List<TableRow>();
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protected void Page_Load(object sender, EventArgs e)
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{
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if (arrayTableRow != null)
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{
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foreach (TableRow tr in arrayTableRow)
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{
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Table1.Rows.Add(tr);
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}
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}
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AddButton();
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}
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protected void Button1_Click(object sender, EventArgs e)
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{
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AddTextBoxs();
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}
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private void AddTextBoxs()
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{
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TableRow tr = new TableRow();
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TableCell tc1 = new TableCell();
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TextBox t = new TextBox();
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t.ID = "tb" + Table1.Rows.Count;
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tc1.Controls.Add(t);
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TableCell tc2 = new TableCell();
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DropDownList dpl = new DropDownList();
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dpl.ID = "dpl" + Table1.Rows.Count;
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for (int i = 0; i < 10; i++) dpl.Items.Add(i.ToString());
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tc2.Controls.Add(dpl);
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TableCell tc3 = new TableCell();
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Label lb1 = new Label();
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lb1.ID = "lb" + Table1.Rows.Count;
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lb1.Style.Value = "color:#FF0000";
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tc3.Controls.Add(lb1);
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tr.Cells.Add(tc1);
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tr.Cells.Add(tc2);
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tr.Cells.Add(tc3);
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arrayTableRow.Add(tr);
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Table1.Rows.Add(tr);
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}
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private void AddButton()
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{
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Button b = new Button();
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b.ID = "btn";
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b.Text = "按钮";
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b.Click += new System.EventHandler(btn_Click);
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PlaceHolder1.Controls.Add(b);
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}
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private void btn_Click(object sender, System.EventArgs e)
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{
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for (int i = 0; i < Table1.Rows.Count; i++)
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{
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//Response.Write(((TextBox)Table1.Rows[i].FindControl("tb" + i)).Text + ((DropDownList)Table1.Rows[i].FindControl("dpl" + i)).SelectedValue + "<br>");
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((Label)Table1.Rows[i].FindControl("lb" + i)).Text = ((DropDownList)Table1.Rows[i].FindControl("dpl" + i)).SelectedValue;
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}
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}
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}
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using System;2
using System.Data;3
using System.Configuration;4
using System.Collections;5
using System.Web;6
using System.Web.Security;7
using System.Web.UI;8
using System.Web.UI.WebControls;9
using System.Web.UI.WebControls.WebParts;10
using System.Web.UI.HtmlControls;11
using System.Collections.Generic;12
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public partial class AddControlTest1 : System.Web.UI.Page14
{
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private static IList<TableRow> arrayTableRow = new List<TableRow>();16
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protected void Page_Load(object sender, EventArgs e)18
{
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if (arrayTableRow != null)20
{21
foreach (TableRow tr in arrayTableRow)22
{23
Table1.Rows.Add(tr);24
}25
}26
AddButton();27
}28
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protected void Button1_Click(object sender, EventArgs e)30
{31
AddTextBoxs();32
}33
private void AddTextBoxs()34
{35
TableRow tr = new TableRow();36
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TableCell tc1 = new TableCell();38
TextBox t = new TextBox();39
t.ID = "tb" + Table1.Rows.Count;40
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tc1.Controls.Add(t);42
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TableCell tc2 = new TableCell();44
DropDownList dpl = new DropDownList();45
dpl.ID = "dpl" + Table1.Rows.Count;46
for (int i = 0; i < 10; i++) dpl.Items.Add(i.ToString());47
tc2.Controls.Add(dpl);48
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TableCell tc3 = new TableCell();50
Label lb1 = new Label();51
lb1.ID = "lb" + Table1.Rows.Count;52
lb1.Style.Value = "color:#FF0000";53
tc3.Controls.Add(lb1);54
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tr.Cells.Add(tc1);56
tr.Cells.Add(tc2);57
tr.Cells.Add(tc3);58
arrayTableRow.Add(tr);59
Table1.Rows.Add(tr);60
}61
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private void AddButton()63
{64
Button b = new Button();65
b.ID = "btn";66
b.Text = "按钮";67
b.Click += new System.EventHandler(btn_Click);68
PlaceHolder1.Controls.Add(b);69
}70
private void btn_Click(object sender, System.EventArgs e)71
{72
for (int i = 0; i < Table1.Rows.Count; i++)73
{74
//Response.Write(((TextBox)Table1.Rows[i].FindControl("tb" + i)).Text + ((DropDownList)Table1.Rows[i].FindControl("dpl" + i)).SelectedValue + "<br>");75
((Label)Table1.Rows[i].FindControl("lb" + i)).Text = ((DropDownList)Table1.Rows[i].FindControl("dpl" + i)).SelectedValue;76
}77
}78
}79
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<%@ Page Language="C#" AutoEventWireup="true" CodeFile="AddControlTest1.aspx.cs" Inherits="AddControlTest1" %>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml" >
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<head runat="server">
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<title>无标题页</title>
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</head>
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<body>
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<form id="form1" runat="server">
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<div>
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<asp:Table id="Table1" runat="server"></asp:Table>
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<asp:PlaceHolder id="PlaceHolder1" runat="server"></asp:PlaceHolder><br /><br />
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<asp:Button id="Button1" runat="server" Text="添加一行" OnClick="Button1_Click"></asp:Button>
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</div>
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</form>
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</body>
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</html>
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就那么多，可以解决一次多插入的问题．<%@ Page Language="C#" AutoEventWireup="true" CodeFile="AddControlTest1.aspx.cs" Inherits="AddControlTest1" %>2
3
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">4
5
<html xmlns="http://www.w3.org/1999/xhtml" >6
<head runat="server">7
<title>无标题页</title>8
</head>9
<body>10
<form id="form1" runat="server">11
<div>12
<asp:Table id="Table1" runat="server"></asp:Table>13
<asp:PlaceHolder id="PlaceHolder1" runat="server"></asp:PlaceHolder><br /><br />14
<asp:Button id="Button1" runat="server" Text="添加一行" OnClick="Button1_Click"></asp:Button>15
</div>16
</form>17
</body>18
</html>19
可以提供一个思路，一个很笨的思路！
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