Code for getting the text box value

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Hi,
I Have a text box in my aspx page, now i want to display textboxes depending on the number what i given to the designed text box
that is
If i give 5 in my textbox I want to display 5 textboxs also i want to get the displayed textbox values which i gave..

Posted 23-Mar-13 0:36am

arunadevi.it

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pryashrma 23-Mar-13 7:30am

from code behind- use form1.Controls.Add()

3 solutions

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Prasad Khandekar · Answer 1 · 2013-03-23T01:24:00

Hello Arunadevi,

You can do this pretty easily using JavaScript. Look at following code sample.

HTML

<script type="text/javascript">
function addTextBoxes(total, parentName) {
    var elDiv = $('parentName');
    for (var tmpId = 0; tmpId < total; tmpId++) {
        var fldVal = $('<input type="text"/>');
        fldVal.attr('id', 't_' + tmplId);
        fldVal.attr('name', 't_' + tmplId);
        fldVal.appendTo(elDiv);
    }
}
</script>
function readValues(total) {
    var vals = new Array();
    for (var i = 0; i < total; I++) {
        var fld = document.gtElementById('t_' + i);
        vals[I] = fld.value;
    }
    return vals;
}

Regards,

shaikhworx · Answer 2 · 2013-03-23T01:31:00

hi,

XML

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="WebApplication1._Default" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>Untitled Page</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <asp:Label ID="lblQty" Text="Enter Quantity" runat="Server"></asp:Label>
        <asp:TextBox ID="txtCreateTextBoxQty" runat="server"></asp:TextBox>
        <asp:Label ID="lblDefaultVal" Text="Enter Default Value" runat="Server"></asp:Label>
        <asp:TextBox ID="txtDefaultValue" runat="server"></asp:TextBox>
        <asp:Button ID="btnCreateControls" runat="server" Text="Add" OnClick="btnCreateControls_Click" />
        <asp:PlaceHolder ID="phControls" runat="server"></asp:PlaceHolder>
    </div>
    </form>
</body>
</html>

Code:

C#

protected void btnCreateControls_Click(object sender, EventArgs e)
        {
            try
            {
                //Holds the quantity of textboxes to be created
                int intTextQty = int.Parse(txtCreateTextBoxQty.Text);

                //Assigns default values to the textboxes created
                string strDefaultValue = txtDefaultValue.Text;

                for (int i = 0; i < intTextQty; i++)
                {
                    TextBox txt = new TextBox();
                    txt.ID = "txt" + i;
                    txt.Text = strDefaultValue;
                    phControls.Controls.Add(new LiteralControl("<br />"));
                    phControls.Controls.Add(txt);
                    phControls.Controls.Add(new LiteralControl("<br />"));
                }
            }
            catch (Exception)
            {
                throw;
            }
        }

AmeyKelkar · Answer 3 · 2013-03-23T01:53:00

C#

//Call this method at the button_click even or text_change event. (Whatever you like)
public void CreateTextBoxes()
{
     //Number of text boxes to be created
     int numTxts = Convert.ToInt16(txtCreateTextBoxes.Text);
     for (int i = 0; i < numTxts; i++)
     {
          TextBox myTextBox = new myTextBox();
          myTextBox.ID = "TextBox" + i;
          myTextBox.Width = 540;
          myTextBox.Height = 60;
 
          this.Controls.Add(MyTextBox);
     }
           
}

Code for getting the text box value

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