by: Ivan Marsh |
last post by:
Hey Folks,
Anyone know how to test for the existance of a variable in javascript?
I'm looking for the equivalent of IsSet() from PHP. I'm having trouble
finding it.
thx
--
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by: wg |
last post by:
Hey,
Can someone show my how to change the code below to check to see if a
variable exists rather than if the variable contains an empty string.
if (document.form.regionselection.value...
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by: Lauchlan M |
last post by:
I'm retrieving url variable information uses the Request.QueryString object,
eg:
if (Request.QueryString.HasKeys())
key
{
lblMyResult.Text = Request.QueryString;
}
else
{
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by: Hazzard |
last post by:
I am trying to figure out how to add an additional value to a querystring
collection so that when I click on a datagrid cell, there will be a key to
distinguish it from another column's...
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by: Shapper |
last post by:
Hello,
How to determine if a Session Variable exists?
In Page_Load I need to check is Session("MyVar") Exists.
If it doesn't exist then I created it and give it a value:
Session("myVar") =...
|
by: Adam J Knight |
last post by:
Hi all,
I am trying to test to see if a Session variable exists.
This was my initial attempt, and doesn't work
int intInstructorID = (Session.ToString() == null ?...
|
by: Mike |
last post by:
Hello,
How do I check to see if a GET varaible exists?
This is giving me an error message.
if (isset !($_GET))
{die('You must Have a Key to get in');
}
Thanks
|
by: zensunni |
last post by:
In a perfect world, I wouldn't have to do this, but I'm at the mercy of event scripting for a program.
there's an event that runs every so often that triggers an subroutine. I'd like to declare a...
|
by: ryjfgjl |
last post by:
In our work, we often receive Excel tables with data in the same format. If we want to analyze these data, it can be difficult to analyze them because the data is spread across multiple Excel files...
|
by: emmanuelkatto |
last post by:
Hi All, I am Emmanuel katto from Uganda. I want to ask what challenges you've faced while migrating a website to cloud.
Please let me know.
Thanks!
Emmanuel
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by: BarryA |
last post by:
What are the essential steps and strategies outlined in the Data Structures and Algorithms (DSA) roadmap for aspiring data scientists? How can individuals effectively utilize this roadmap to progress...
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by: Sonnysonu |
last post by:
This is the data of csv file
1 2 3
1 2 3
1 2 3
1 2 3
2 3
2 3
3
the lengths should be different i have to store the data by column-wise with in the specific length.
suppose the i have to...
|
by: marktang |
last post by:
ONU (Optical Network Unit) is one of the key components for providing high-speed Internet services. Its primary function is to act as an endpoint device located at the user's premises. However,...
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by: Hystou |
last post by:
Most computers default to English, but sometimes we require a different language, especially when relocating. Forgot to request a specific language before your computer shipped? No problem! You can...
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by: jinu1996 |
last post by:
In today's digital age, having a compelling online presence is paramount for businesses aiming to thrive in a competitive landscape. At the heart of this digital strategy lies an intricately woven...
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by: tracyyun |
last post by:
Dear forum friends,
With the development of smart home technology, a variety of wireless communication protocols have appeared on the market, such as Zigbee, Z-Wave, Wi-Fi, Bluetooth, etc. Each...
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by: agi2029 |
last post by:
Let's talk about the concept of autonomous AI software engineers and no-code agents. These AIs are designed to manage the entire lifecycle of a software development project—planning, coding, testing,...
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