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 |
Give coding for Exception Handling Techniques in ASP.NET?
How to send e-mail from an ASP.NET application?
16 Answers DataPoint, Infosys, Persistent, Radar, TCS, Wipro,
Code for Creating a Form Using PlaceHolder Controls?
How to Bind Nested XML to a Repeater Control with Container.DataItem?
Code for Using Keyboard Events?
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
HOw to Build a Nested GridView Control with ASP.NET?
how to create a search bar which access data from various websites and retrieves the data
Common UI for Multiple web applications. Suppose there are 35 websites using same third party controls.These 3rd party controls are made together that all 35 websites can use these controls.If we put all 3rd party controls and use its dll in 35 websites,only class files will be accessable. But I want to use CSS,images also in all 35 websites. how I can design the N-tier solution for this project.
how to track links visited in google using iframes
Code for a Simple Way to Write XML in .NET (XmlTextWriter)
where is assembly are store