这个怎么实现~~ 高手指教~ 怎么用ASP.NET服务端技术向客户端动态添加元素(文本框,按钮,label标签...) 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 <form id="form1" runat="server">TextBox t = new TextBox();form1.Controls.Add(t); <html xmlns="http://www.w3.org/1999/xhtml"><head runat="server"> <title></title></head><body> <form id="form1" runat="server"> <asp:LinkButton ID="lbtnAdd" runat="server" Text="add" OnClick="lbtnAdd_Click" /> <hr /> <asp:PlaceHolder ID="ph" runat="server"></asp:PlaceHolder> </form></body></html>protected void Page_Load(object sender, EventArgs e) { object count = ViewState["count"] ?? "0"; int index; int.TryParse(count.ToString(), out index); TextBox txt; LiteralControl litc; for (int i = 0; i < index; i++) { txt = new TextBox(); txt.ID = string.Format("txt{0}", i); txt.Text = (i + 1).ToString(); ph.Controls.Add(txt); litc = new LiteralControl("<br />"); ph.Controls.Add(litc); } } protected void lbtnAdd_Click(object sender, EventArgs e) { object count = ViewState["count"] ?? "0"; int index; int.TryParse(count.ToString(), out index); TextBox txt = new TextBox(); txt.ID = string.Format("txt{0}", index); txt.Text = (index + 1).ToString(); ph.Controls.Add(txt); ViewState["count"] = index + 1; } 关于字体大小控制的问题,很棘手,求解!!!!!!!!!! excel 导入数据到sql。就出问题了! 改变FileUpload默认文件类型 javascript 怎么不能延时执行呢,谢谢 treeview的确问题 关于在.net里使用ajax的tree的问题 关于可定制化的页面 100分求救~ DATAGRID 操作 XML 的例子~(C#) 求助,简单的数据插入和删除的问题。 多个文件上传并记录的实现方法 $.getJSON firefox 不支持 Asp.net中的隐藏域问题
TextBox t = new TextBox();
form1.Controls.Add(t);
<head runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<asp:LinkButton ID="lbtnAdd" runat="server" Text="add" OnClick="lbtnAdd_Click" />
<hr />
<asp:PlaceHolder ID="ph" runat="server"></asp:PlaceHolder>
</form>
</body>
</html>protected void Page_Load(object sender, EventArgs e)
{
object count = ViewState["count"] ?? "0"; int index;
int.TryParse(count.ToString(), out index); TextBox txt;
LiteralControl litc; for (int i = 0; i < index; i++)
{
txt = new TextBox();
txt.ID = string.Format("txt{0}", i);
txt.Text = (i + 1).ToString();
ph.Controls.Add(txt); litc = new LiteralControl("<br />");
ph.Controls.Add(litc);
} }
protected void lbtnAdd_Click(object sender, EventArgs e)
{
object count = ViewState["count"] ?? "0"; int index;
int.TryParse(count.ToString(), out index); TextBox txt = new TextBox();
txt.ID = string.Format("txt{0}", index);
txt.Text = (index + 1).ToString(); ph.Controls.Add(txt); ViewState["count"] = index + 1;
}