what is the value that reside in a hidden field when no
value is assigned to it?how it can be used in a if
statement??
Answer / rupinder
If No value assigned to a hidden field then it contains
String.Empty value.
Habling empty value:
<%@ Page Language="VB" AutoEventWireup="true"
CodeFile="Default.aspx.vb" Inherits="_Default" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML
1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>Demo</title>
</head>
<body>
<form id="form1" runat="server">
<asp:HiddenField ID="hndField" runat="server" />
</form>
</body>
</html>
Code behind...
Protected Sub Page_Load(ByVal sender As Object, ByVal e
As System.EventArgs) Handles Me.Load
If hndField.Value <> String.Empty Then
do......
End If
End Sub
| Is This Answer Correct ? | 2 Yes | 1 No |
What do you create for easier access of data?
How to integrate the regional language in asp.net and c# like Telugu, Hindi etc,. send a sample program
3 Answers Concept, NIIT, Wipro,
where is assembly are store
Code for Presenting Parent/Child Data in a Data Grid Row?
how the value of label is printed through a button in asp.net web application
how can we close a web page in asp.net without using jscript?
ArrayList declaration in .net
how to upload a photo? i need to use it in a matrimonial applicaton...
How to get the row index on checking a Checkbox in a ListView
How to Export Data to Excel?
i have a gird with columns all are coming from database,this will bind in item templete in gridview as textboxex.and i have button below named Update.i want to update all the records in the grid,but if user change the value of one textbox,what is the easy way 2 do this
Code for Creating a Form Using PlaceHolder Controls?