- one year ago
- Aditya Kumar Patel
- 787 Views
- 0 Comments
- ASP.NET
Introduction:
Here we will explain how to use text box in asp.net or what is text box
in asp.net or how to get text box value when user click on button in asp.net
with example.
Description:
The TextBox control is used to create a text box where the user
can input text.
The example below demonstrates some of the attributes you may use
with the TextBox control:
- Example:
- TextBoxDemo.aspx:
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="TextBoxDemo.aspx.cs" Inherits="AspDotNet.TextBoxDemo" %>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<table style="line-height: 28px;">
<tr>
<td colspan="2"><b>Singleline text box</b></td>
</tr>
<tr>
<td>Name :</td>
<td>
<asp:TextBox ID="txtname" TextMode="SingleLine" runat="server"></asp:TextBox>
</td>
</tr>
<tr>
<td colspan="2"><b>Multiline textbox</b> </td>
</tr>
<tr>
<td style="vertical-align:top;">Address:</td>
<td> <asp:TextBox ID="txtaddress" TextMode="MultiLine" runat="server"></asp:TextBox></td>
</tr>
<tr>
<td colspan="2" style="text-align:right;">
<asp:Button ID="Show" runat="server" Text="Show" OnClick="Show_Click" /></td>
</tr>
<tr>
<td>Your Name :</td>
<td>
<asp:Label ID="lblname" runat="server" Text="Label"></asp:Label>
</td>
</tr>
<tr>
<td>Your Address :</td>
<td>
<asp:Label ID="lbladdress" runat="server" Text="Label"></asp:Label>
</td>
</tr>
</table>
</div>
</form>
</body>
</html>
TextBoxDemo.aspx.cs
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
namespace AspDotNet
{
public partial class TextBoxDemo : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected void Show_Click(object sender, EventArgs e)
{
lblname.Text = txtname.Text;
lbladdress.Text = txtaddress.Text;
}
}
}
In Above example when user Enter Name and Address and click on
show button then your entered name and Address show in below.
Let’s see Output:
- The TextBox control's attributes and properties are listed below:
Property
Description
Specifies the AutoComplete behavior of a TextBox
A Boolean value that specifies whether the control is automatically posted back to the server when the contents change or not. Default is false
CausesValidation
Specifies if a page is validated when a Postback occurs
The width of the textbox
The maximum number of characters allowed in the textbox
Specifies whether or not the text in the text box can be changed
The height of the textbox (only used if TextMode="Multiline")
runat
Specifies that the control is a server control. Must be set to "server"
TagKey
The contents of the textbox
Specifies the behavior mode of a TextBox control (SingleLine, MultiLine or Password)
ValidationGroup
The group of controls that is validated when a Postback occurs
A Boolean value that indicates whether the contents of the textbox should wrap or not
OnTextChanged
The name of the function to be executed when the text in the textbox has changed
I hope this will help to you.
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