内容摘要 -
全文 -
asp.net（c#）中动态创建添加控件的一个例子
一个例子,动态添加控件的
<%@ Page Language="C#" %>
<script runat="server">
protected void Page_Load(object sender, EventArgs e)
{
if(!IsPostBack)
ViewState["Count"]=0;
else
for(int i=1;i<=(int)ViewState["Count"];i++)
{
addproduct(i.ToString());
}
}
void addproduct(string num)
{
LiteralControl mylabel;
TextBox mybox = new TextBox();
mylabel = new LiteralControl();
mylabel.Text = "<p>" + "产品:" + num;
PlaceHolder1.Controls.Add(mylabel);
mybox = new TextBox();
mybox.ID = "txtProduct" + num;
PlaceHolder1.Controls.Add(mybox);
}
protected void add_btn(object sender, EventArgs e)
{
int count =(int)ViewState["Count"];
count++;
ViewState["Count"] = count;
addproduct(ViewState["Count"].ToString());
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>动态添加控件</title>
</head>
<body style="font-size: 12px;">
<form id="form1" runat="server">
<div>
<asp:PlaceHolder ID="PlaceHolder1" runat="server"></asp:PlaceHolder>
<br />
<asp:Button ID="Button1" runat="server" Text="增加" OnClick="add_btn" />
</form>
</body>
</html>
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