动态文本框和动态标签

Question

I have created 3 dynamic texbox. At the run time i wanna enter some values in that textbox. if click the button then the entered textboxes value should be display in one dynamic label control.

please help me with some samples

Answer 1

使用Page.FindControl访问动态创建的控件

Answer 2

You can do it client side, assuming your using jquery something like:

<span name="display" id="display"></span>
<input name="text1" id="text1" />
<input name="text2" id="text2" />
<input name="text3" id="text3" />

<input type="button" id="button1" />

<script>
    $("#button1").click(function() { 
        $("#display").html($("#text1").val() + $("#text2").val() + $("#text3").val());
    });

</script>

Answer 3

Try this code in asp.net

.CS file

protected override void OnPreInit(EventArgs e)
{

    Label lbl = new Label();
    lbl.ID = "mylbl";
    lbl.ClientIDMode = System.Web.UI.ClientIDMode.Static;
    form1.Controls.Add(lbl);
    for (int i = 0; i < 3; i++)
    {
        TextBox txt = new TextBox();
        txt.ID = "txt" + i;
        form1.Controls.Add(txt);
    }

}



protected void Button1_Click(object sender, EventArgs e)
    {
        Label lbl = form1.FindControl("mylbl") as Label;
        lbl.Text = "";
        for (int i = 0; i < 3; i++)
        {
            TextBox txt = form1.FindControl("txt" + i) as TextBox;


            lbl.Text += txt.Text;
        }
    }

.aspx File

 <form id="form1" runat="server">
    <div>
        <asp:Button ID="Button1" runat="server" Text="Button" onclick="Button1_Click" />
    </div>

    </form>