Get textbox value from clientside

Question

2.00/5 (1 vote)

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I have written code for add textbox in clientside as below:

my problem is I dont know how to get value from text boxes? I want to send values to my DB.

ASP.NET

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
 
<!DOCTYPE html>
 
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
    <script type="text/javascript">
        function GetDynamicTextBox(value) {
            return '<input name = "DynamicTextBox" type="text" value = "' + value + '" />' +
                    '<input type="button" value="Remove" onclick = "RemoveTextBox(this)" />'
        }
        function AddTextBox() {
            var div = document.createElement('DIV');
            div.innerHTML = GetDynamicTextBox("");
            document.getElementById("TextBoxContainer").appendChild(div);
        }
 
        function RemoveTextBox(div) {
            document.getElementById("TextBoxContainer").removeChild(div.parentNode);
        }
 
        function RecreateDynamicTextboxes() {
            var values = eval('<%=Values%>');
    if (values != null) {
        var html = "";
        for (var i = 0; i < values.length; i++) {
            html += "<div>" + GetDynamicTextBox(values[i]) + "</div>";
        }
        document.getElementById("TextBoxContainer").innerHTML = html;
    }
}
window.onload = RecreateDynamicTextboxes;
</script>
</head>
<body>
    <form id="form1" runat="server">
<input id="btnAdd" type="button" value="add" onclick="AddTextBox()" />
<br />
<br />
<div id="TextBoxContainer">
    <!--Textboxes will be added here -->
</div>
<br />
<asp:Button ID="btnPost" runat="server" Text="Post" OnClick="Post" />

        <asp:Label ID="lbltest" Text="" runat="server"></asp:Label>
</form>
</body>
</html>

C#

protected void Post(object sender, EventArgs e)
   {

       string[] textboxValues = Request.Form.GetValues("DynamicTextBox");
       JavaScriptSerializer serializer = new JavaScriptSerializer();
       this.Values = serializer.Serialize(textboxValues);
       string test;
       test=this.Values;
       lbltest.Text = test;
   }

Posted 1-Sep-13 2:38am

sorosh04

Updated 1-Sep-13 3:25am

Thomas Daniels

v8

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Comments

Dave963 1-Sep-13 8:59am

Code snippet rendered really funny, could you maybe just try to repost the html code

1 solution

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Sergey Alexandrovich Kryukov · Accepted Answer · 2013-09-01T05:54:00

Solution 1

TextBox is rendered as HTML element input, so it's text is accessible via the value attribute: http://www.w3schools.com/tags/att_input_value.asp[^].

—SA

Posted 1-Sep-13 5:54am

Sergey Alexandrovich Kryukov