Web Forms :: How To Handle Format Exception When Nothing Is Entered In Textbox
Dec 28, 2011
I am converting the entered values in textbox into decimal values to saev in sql table. In case user does not enter any value i get a Format exception. How do i handle this..
Here is what I'm trying to achieve: The user enters in the textbox a date. It can be: 20.04.2010 or 20/04/2010 or 01Apr2010 or Apr 01 2010...
Any other formats should be forbidden. When the user leaves the textbox then the date should be displayed as 01-Apr-2009. I already tried but I got only when am entering the numbers only like (21-04-2010) but I want to entering the string like apr, jan, nov .
I have a textbox that invokes a function on text changed. When the function encounters exception, I want to throw the exception back to the caller. But the problem is the caller is from .aspx file, not .cs file. How can the caller handle the exception?
i have 2 template field columns time and total_time in a gridview.. time column has a label in the item template and a textbox in th edit item template..
similarly, total_time has a label in the item template and a textbox in the edit item templte..
what i need is, when the user enters a value in the time textbox,it must get updated in the total_time textbox.. and on edit,when the user changes the value of the time textbox ,dis value must be ADDED to the total_time textbox.. both should be displayed in the label also..
i want to ping an ip address that the user (of my web site) enters in a text box.i have placed a link button , next to that textbox ,on whose click event i want to start the ping command...does ne1 has ne idea how this can be done??
I have a simple web form that takes data inputted by a user online but I can't get the date field formatted so it can allow UK short date format to be entered. I need to allow dates to be entered like this: dd/mm/yyyy but currently if I enter the UK format date 25/02/2011 I get an error, as the field is in US format (mm/dd/yyyy).
It's a SQL database created from within MS Visual Web Developer 2010, and I'm a SQL newbie.
How do I change the date format to UK so UK format dates can be accepted?
I have a webform with textbox and button,i want to disable the button when nothing is entered into textbox and if something is entered the button must be enabled.How to do it without javascript?
i have 20 Textboxes i am not sure what did i touch by i normally dont play with VS Settings i dont understand. So those textbox are normally defined like this
Now to my question. I would like to check for username availability. For this I need to extract the text entered in the UserName textbox from the CreateUserWizard. I don't know how to do so. I need to cast somewhere but where?
Here's my code: (the bold word draws a cast error which I need to sort out)
I have one text box for accepting date. I want to store date column in database is null when the text box value is null and how to bind the this null value to text box when i retrieve.
I have a asp.net 2.0 application connecting to a SQL database. Sometimes while browsing through the application, we stumble across the OutOfMemory Exception. I am currently using VS 2005. What is the best way to tackle this exception. Maybe something like a memory profiler...or something like that.
I've written a custom FilterAttribute that implements IExceptionFilter. But this only catches exceptions in the controller actions. What is the best way to handle exceptions in views and html helper methods on a Windows 2008 64-bit Server running IIS 7
from searching in net i found it to be a bug and if its success then we should end response... ie " Response.Redirect("Success.aspx", false); ".it works fine.. is this a good method or there is any other efficient method to handle this exception
I am using Session variable throughout in my application and my timeout is 1 hour. Here I need to catch the exception for session expires in any global way across my application.