请问关于动态加入控件的问题。(50分) 我本想这样做:<% for (int i=0; i <8; i++) { %> <asp:datalist id="MyList1"...<% }%>,但是这个id不知道怎么写。请大虾指点!或者是否有更好的方法。谢谢。 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 不喜欢这种写法,简直就是制造麻烦Page_Load:{ for(int i=0;i<8;i++) { DataList newDL = new DataList(); newDL.ID = "MyDL"+i.ToString(); Page.Controls[1].Controls.Add(newDL); }} 给你一个例子先在前台写:<form id="Form1" method="post" runat="server"> <FONT face="宋体"> <TABLE id="Table1" style="Z-INDEX: 102; LEFT: 16px; POSITION: absolute; TOP: 24px" cellSpacing="1" cellPadding="1" width="300" border="1" runat="server"> </TABLE> </FONT> </form> 后台:protected System.Web.UI.HtmlControls.HtmlTable Table1; private void Page_Load(object sender, System.EventArgs e) { // 在此处放置用户代码以初始化页面 CreatedTextBoxs(3); } public void CreatedTextBoxs(int count) { TextBox txt; HtmlTableRow r = new HtmlTableRow(); for(int i=0;i<count;i++) { HtmlTableCell c = new HtmlTableCell(); txt=new TextBox(); txt.ID = "txt_" + i.ToString(); txt.Text = "文本框_" + i.ToString(); c.Controls.Add(txt); r.Cells.Add(c); //this.Page.Controls[1].Controls.Add(txt); } this.Table1.Rows.Add(r); HtmlTableRow r2 = new HtmlTableRow(); for(int j = 3; j < 6; j++) { HtmlTableCell c2 = new HtmlTableCell(); txt=new TextBox(); txt.ID = "txt_" + j.ToString(); txt.Text = "文本框_" + j.ToString(); c2.Controls.Add(txt); r2.Cells.Add(c2); //this.Page.Controls[1].Controls.Add(txt); } this.Table1.Rows.Add(r2); HtmlTableRow r3 = new HtmlTableRow(); HtmlTableCell c3 = new HtmlTableCell(); Button btn = new Button(); btn.ID = "btn_1"; btn.Text = "按钮"; btn.Width = 60; btn.Height = 20; btn.Click += new EventHandler(this.btn_1_Click); c3.Controls.Add(btn); c3.ColSpan = 3; c3.Align = "center"; r3.Cells.Add(c3); this.Table1.Rows.Add(r3); //this.Page.Controls[1].Controls.Add(btn); } private void btn_1_Click(Object sender,EventArgs e) { Response.Write("<script language=javascript>alert('"+((TextBox)Page.Controls[1].FindControl("txt_0")).Text+"');</script>"); } 谁能解释一下这是什么意思? 使用dispose有啥缺点啊? 一个关于在DataGrid中使用HyperLink的问题 ——————续,请高手来指点下~~~~~ 为什么在打开excel的情况下,不能导入数据到数据库中? 入门问题!希望帮助?? 怎么样学计算机 关于 IIS 客户脚本选择的问题! 关于mvc路由配置的问题 请教~~~~~~ 请教一参数问题 <%@ import system.data%>提示我<%是非法字符? 如何编写登陆信息页面的代码?(注:不能用C#) 新闻管理系统或论坛中的“内容”字段一般设成什么类型好些?
Page_Load:
{
for(int i=0;i<8;i++)
{
DataList newDL = new DataList();
newDL.ID = "MyDL"+i.ToString();
Page.Controls[1].Controls.Add(newDL);
}
}
先在前台写:
<form id="Form1" method="post" runat="server">
<FONT face="宋体">
<TABLE id="Table1" style="Z-INDEX: 102; LEFT: 16px; POSITION: absolute; TOP: 24px" cellSpacing="1"
cellPadding="1" width="300" border="1" runat="server">
</TABLE>
</FONT>
</form>
后台:
protected System.Web.UI.HtmlControls.HtmlTable Table1;
private void Page_Load(object sender, System.EventArgs e)
{
// 在此处放置用户代码以初始化页面
CreatedTextBoxs(3);
}
public void CreatedTextBoxs(int count)
{
TextBox txt;
HtmlTableRow r = new HtmlTableRow();
for(int i=0;i<count;i++)
{
HtmlTableCell c = new HtmlTableCell();
txt=new TextBox();
txt.ID = "txt_" + i.ToString();
txt.Text = "文本框_" + i.ToString();
c.Controls.Add(txt);
r.Cells.Add(c);
//this.Page.Controls[1].Controls.Add(txt);
}
this.Table1.Rows.Add(r);
HtmlTableRow r2 = new HtmlTableRow();
for(int j = 3; j < 6; j++)
{
HtmlTableCell c2 = new HtmlTableCell();
txt=new TextBox();
txt.ID = "txt_" + j.ToString();
txt.Text = "文本框_" + j.ToString();
c2.Controls.Add(txt);
r2.Cells.Add(c2);
//this.Page.Controls[1].Controls.Add(txt);
}
this.Table1.Rows.Add(r2);
HtmlTableRow r3 = new HtmlTableRow();
HtmlTableCell c3 = new HtmlTableCell();
Button btn = new Button();
btn.ID = "btn_1";
btn.Text = "按钮";
btn.Width = 60;
btn.Height = 20;
btn.Click += new EventHandler(this.btn_1_Click);
c3.Controls.Add(btn);
c3.ColSpan = 3;
c3.Align = "center";
r3.Cells.Add(c3);
this.Table1.Rows.Add(r3);
//this.Page.Controls[1].Controls.Add(btn);
}
private void btn_1_Click(Object sender,EventArgs e)
{
Response.Write("<script language=javascript>alert('"+((TextBox)Page.Controls[1].FindControl("txt_0")).Text+"');</script>");
}