In
this example we explain that how to get read only textbox values in asp.net
using C#.or how to get read only textbox values or disabled textbox value in
codebehind using asp.net.
Get
value of ReadOnly TextBox in asp.net and retain its value across
postback.because after postback the readonly textbox value is not get the last
updated value.so to get last updated value below is the code to get read only
textbox value in C#.
by simply adding one line of code to get the value of readonly and disabled textbox in asp.net.
TextBoxId.Attributes.Add("readonly", "readonly");
by simply adding one line of code to get the value of readonly and disabled textbox in asp.net.
TextBoxId.Attributes.Add("readonly", "readonly");
Aspx:
<%@
Page Language="C#" AutoEventWireup="true" CodeFile="readonlyTextBox.aspx.cs"
Inherits="readonlyTextBox" %>
<!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">
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js"></script>
<script type="text/javascript">
function
calculate(_this) {
var
qty = $("#<%=txtqty.ClientID%>");
var
price = _this.value;
$("#<%=txttotal.ClientID%>").val((parseInt(qty.val())
* parseInt(price)).toString());
}
</script>
<title>how to get
read only textbox values in asp.net using C</title>
</head>
<body>
<form id="form1" runat="server">
<div>
QTY:
<asp:TextBox ID="txtqty" runat="server"></asp:TextBox>
Price:
<asp:TextBox ID="txtprice" runat="server"></asp:TextBox>
Total:
<asp:TextBox ID="txttotal" runat="server"></asp:TextBox>
<asp:Button ID="getreadOnlyvalue" runat="server" Text="save" OnClick="getreadOnlyvalue_Click"
/>
<asp:Label ID="lblmsg" runat="server"></asp:Label>
</div>
</form>
</body>
</html>
Aspx.cs:
using System;
using
System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using
System.Web.UI.WebControls;
public partial class readonlyTextBox : System.Web.UI.Page
{
protected void Page_Load(object
sender, EventArgs e)
{
txttotal.Attributes.Add("readonly", "readonly");
txtprice.Attributes.Add("onblur", "calculate(this);");
}
protected void getreadOnlyvalue_Click(object
sender, EventArgs e)
{
int
total = Convert.ToInt32(txttotal.Text);
lblmsg.Text = "Total
is " + total.ToString();
}
}
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