473,840 Members | 1,451 Online
Bytes | Software Development & Data Engineering Community
+ Post

Home Posts Topics Members FAQ

Exception with CheckboxList control

I am getting the following exception in a page while using the Checkboxlist
control. This happens on postback.

startIndex cannot be larger than length of string.
Parameter name: startIndex
Description: An unhandled exception occurred during the execution of the
current web request. Please review the stack trace for more information about
the error and where it originated in the code.

Exception Details: System.Argument OutOfRangeExcep tion: startIndex cannot be
larger than length of string.
Parameter name: startIndex

Source Error:

An unhandled exception was generated during the execution of the current web
request. Information regarding the origin and location of the exception can
be identified using the exception stack trace below.

Stack Trace:
[ArgumentOutOfRa ngeException: startIndex cannot be larger than length of
string.
Parameter name: startIndex]
System.String.I nternalSubStrin gWithChecks(Int 32 startIndex, Int32 length,
Boolean fAlwaysCopy) +2916027
System.Web.UI.W ebControls.Chec kBoxList.LoadPo stData(String postDataKey,
NameValueCollec tion postCollection) +54

System.Web.UI.W ebControls.Chec kBoxList.System .Web.UI.IPostBa ckDataHandler.L oadPostData(Str ing postDataKey, NameValueCollec tion postCollection) +11
System.Web.UI.P age.ProcessPost Data(NameValueC ollection postData, Boolean
fBeforeLoad) +353
System.Web.UI.P age.ProcessRequ estMain(Boolean
includeStagesBe foreAsyncPoint, Boolean includeStagesAf terAsyncPoint) +1194
The page itself is a content page and page is a subclass of a base web page.
At this point the checkboxlist does not have any items added to it. It
renders fine the first time the page comes up. But the exception is thrown
during postback.

Any help appreciated.
Nov 25 '07 #1
0 1059

This thread has been closed and replies have been disabled. Please start a new discussion.

Similar topics

3
5565
by: Egbert | last post by:
I use a System.Web.UI.WebControls.CheckBoxList object to fill a list. I need to label groups of checkboxes in the list by Category (Determined dynamically from the database) at runtime. Is it possible to group checkboxes in 1 CheckboxList? Something like this: *************************
0
7953
by: Bryce Budd | last post by:
Hello All, I've been a taker of information from newsgroups for a long time and thought I'd finally make a contribution back to the community whose supported me when I've needed it. After all before commercialization took over that was the beauty of the Internet! I've create a checkboxlist validator control...something MS should have done originally in my opinion, but nonetheless here it is. It's a C# control, sort of IE specific. ...
3
5459
by: Robin Day | last post by:
I run some code on the changed event of checkbox lists. Its quite simple, nothing more than showing / hiding some other parts of the page. Using Autopostback and Server side code works fine, but is far too slow, especially if the users are on modems. I need to quite simply, add some java code to the onclick event of the input tags of a checkboxlist. However... Attributes.Add adds the onclick attribute and code to the outlying table that...
4
8075
by: dm_dal | last post by:
Is there a know issue surrounding the CheckBoxList control and it's viewstate? When my control is created, it's ListItems are checked as needed, but on a postback, they loose their Selected status. David
3
2925
by: I am Sam | last post by:
I keep getting the following error message when I try to iterate through a CheckBoxList control: Object reference not set to an instance of an object. Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details: System.NullReferenceException: Object reference not set to an instance...
7
15639
by: bienwell | last post by:
Hi, I'm using the CheckBoxList control in ASP.NET for Web development. This checkboxlist is bound by the database. If we have more items for this checkbox list, it takes space on the page. I want to have vertical scroll bar (like CheckedListBox in Window development) to save space. Can we do that in ASP.NET ? Please give me your suggestions ? Thanks in advance.
4
4048
by: Patrick.O.Ige | last post by:
I have a CheckBoxList in a DataList and i'm trying to get item Selected after doing a postBack. I have set my CheckBoxlist AutoPostBack="True" Any ideas what 'm doing wrong? It seems not to work:( Thanks My CheckBoxList in the DataList Below
0
2165
by: webmaster | last post by:
Hi all, I'm tearing my hair out with this one. I have successfully implemented by own RadioButtonList in order to provide additional functionality and a DIV rather than TABLE-based layout in one of my ASP.NET 1.1 web forms. This involves a fairly simple inheritance of the System.Web.UI.WebControls.RadioButtonList class, with some new properties added and the Render sub overridden. When I come to render each radio item, I do the...
6
3514
by: dbuchanan | last post by:
There are three parts to this 1.) How do I cascade menus? 2.) And, how do I cascade menus with a multi-select CheckBoxList?
0
9856
marktang
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, people are often confused as to whether an ONU can Work As a Router. In this blog post, we’ll explore What is ONU, What Is Router, ONU & Router’s main usage, and What is the difference between ONU and Router. Let’s take a closer look ! Part I. Meaning of...
0
9698
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 effortlessly switch the default language on Windows 10 without reinstalling. I'll walk you through it. First, let's disable language synchronization. With a Microsoft account, language settings sync across devices. To prevent any complications,...
1
10657
by: Hystou | last post by:
Overview: Windows 11 and 10 have less user interface control over operating system update behaviour than previous versions of Windows. In Windows 11 and 10, there is no way to turn off the Windows Update option using the Control Panel or Settings app; it automatically checks for updates and installs any it finds, whether you like it or not. For most users, this new feature is actually very convenient. If you want to control the update process,...
0
10299
tracyyun
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 protocol has its own unique characteristics and advantages, but as a user who is planning to build a smart home system, I am a bit confused by the choice of these technologies. I'm particularly interested in Zigbee because I've heard it does some...
1
7836
isladogs
by: isladogs | last post by:
The next Access Europe User Group meeting will be on Wednesday 1 May 2024 starting at 18:00 UK time (6PM UTC+1) and finishing by 19:30 (7.30PM). In this session, we are pleased to welcome a new presenter, Adolph Dupré who will be discussing some powerful techniques for using class modules. He will explain when you may want to use classes instead of User Defined Types (UDT). For example, to manage the data in unbound forms. Adolph will...
0
7022
by: conductexam | last post by:
I have .net C# application in which I am extracting data from word file and save it in database particularly. To store word all data as it is I am converting the whole word file firstly in HTML and then checking html paragraph one by one. At the time of converting from word file to html my equations which are in the word document file was convert into image. Globals.ThisAddIn.Application.ActiveDocument.Select();...
0
5684
by: TSSRALBI | last post by:
Hello I'm a network technician in training and I need your help. I am currently learning how to create and manage the different types of VPNs and I have a question about LAN-to-LAN VPNs. The last exercise I practiced was to create a LAN-to-LAN VPN between two Pfsense firewalls, by using IPSEC protocols. I succeeded, with both firewalls in the same network. But I'm wondering if it's possible to do the same thing, with 2 Pfsense firewalls...
2
4071
muto222
by: muto222 | last post by:
How can i add a mobile payment intergratation into php mysql website.
3
3136
bsmnconsultancy
by: bsmnconsultancy | last post by:
In today's digital era, a well-designed website is crucial for businesses looking to succeed. Whether you're a small business owner or a large corporation in Toronto, having a strong online presence can significantly impact your brand's success. BSMN Consultancy, a leader in Website Development in Toronto offers valuable insights into creating effective websites that not only look great but also perform exceptionally well. In this comprehensive...

By using Bytes.com and it's services, you agree to our Privacy Policy and Terms of Use.

To disable or enable advertisements and analytics tracking please visit the manage ads & tracking page.