CheckBoxList.Selected Keeps Coming Back With False Value
Jun 13, 2012
I have a CheckBoxList on my page that isn't behaving very well.The idea is that once the submit button on the form is clicked, the app should clear the database table of all rows pertaining to the specific user and then re-insert new ones based on the user's CheckBoxList selections.The problem is that regardless of whether or not any (or all) items in the CheckBoxList are selected, the app keeps getting Selected = False.[code]I'm aware of the potential for SQL Injection here. I'll be going over to using Parameters as soon as I have the loop working.
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Apr 12, 2011
I am learning asp.net and needed to have a CheckBoxList which items will be initially selected if the are in a CSV string from a database.I have got it working although I just wondered if I have gone about it the best way as it seemed a little long winded?[code]
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Jan 7, 2011
I have a CheckBoxList where one of the options includes a textbox to fill in your own value. So I need to have that textbox become enabled when its checkbox (a ListItem in the CheckBoxList) is checked.This is the code behind, I'm not sure what to put in my If statement to test if that certain ListItem is checked.
Protected Sub CheckBoxList1_SelectedIndexChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles CheckBoxList1.SelectedIndexChanged
If ___ Then[code]......
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Aug 24, 2011
I want to be able to show on the form1, the count of the number of items selected in a list. So if I tick one the number goes up, if I tick it down, the number goes down.
Checkboxlist is lstTAGs
Do I have to create a function, which counts each selected item every time I click on an item?
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Jun 8, 2011
I have some ActiveX that was written for VB6. They all seem to return Variant types. Ex.
[Code]....
In this case the GetPosition control is returning a robot axis position. It looks to me like the values coming back from the function is not getting converted to object type properly.
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Jul 21, 2010
I'm reviewing some code in VB.net, and in a validation object they have written the following
If Not IsDate(Entity.SelectedDate) Then
ErrorList.Add(New CValidationError("MainReport", "Please select a weekend date"))
SelectedDate is of type Date. It seems to me it would be impossible to ever hit this condition. Is this true?
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Jun 11, 2011
if one installer class in my project and in custom action doing some procedure to validate the serial key using user interface editor during setup creation. while installing the set up if the condition is not true the setup in rolling back it is installing.
[Code]...
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Jun 22, 2010
I am using MS Visual Studio 2205 Version 8.0.50727.42 and MS.Net Framework Version 2.0.50727 SP2 I created a form that requires the user to enter a date into the textbox.I then use the IsDate function to check if the entry is a valid date. IF Not IsDate(fieldname) then send message back to user on form, otherwise continue.If something like this is enterred - 06/090/10 - It passes the IsDate question and of course fails at the database level when inserting to a datetime field. Although there is a three character day, it still passes.
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Jan 22, 2012
I have a GridView with a Checkbox on the first column: Code: The thing is that the Checkbox.Checked always returns False. How can I get the checked state of the Checkboxes in this scenario? Or what would be the best approach into updating the aforementioned column? P.S. Note that click on the checkboxes doesn't post back. Nothing happens on the page until the user clicks Save (and that is the intended behavior).
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May 20, 2009
Dim foundit As Integer = 0
Dim intResponse As DialogResult
[code].....
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Jan 6, 2011
how to retrieve the selected row cell value if it is visible property is false in gridview ?
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May 21, 2012
I need your help of a problem that is frustrating me I have a list view box and I want to change to full row select back colour I have already achieved this for list box but the settings are different this is what I am wanting to do for list view any help will be gratefully taken on board
[Code]...
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May 17, 2011
I am currently having a problem in my SQL Statement . I am creating a back and next button and about the Next Button it works just fine. But in previous button its kinda ok...but the problem it goes at the first row not the previous of the selected row.
Here is my SQL STATEMENT...
"SELECT t1.* FROM (SELECT RecordID FROM tbl_assessment WHERE StudentNo LIKE '%" & txtstudentno.Text & "%')t2 CROSS APPLY (SELECT TOP 1 * FROM tbl_assessment WHERE RecordID < t2.RecordID ORDER BY RecordID ASC) t1"
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Jun 28, 2010
I have placed several PictureBox Images of different colored dots(which represent lights) on an image of a Christmas Tree. I can make the lights randomly flash using a randomGenerator and a Select case statement. However, the code is very long. There are 67 lights on this tree and the code is 71 pages long. There has to be an easier way to do this. So far I have tried the following with two images of lights just to see if it would work and it does not work:
Dim picLight(2) As
Boolean
For intX
[code]....
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Nov 14, 2011
I have two issues I am trying to correct...First am trying to get my listbox1 to be the selected Comport used to do the send data and get data back.
My second issue is its requiring me to send two times to get my read data back as complete data and has odd shapes with the data I get back in front of and after the regular txt.
Beware, I am very new at this so please take it easy on me... Most help I did find was for older versions I only have the 2010 Visual studio Professional...
Public Class Form1
Sub GetSerialPortNames()
End Sub
[CODE]...
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Aug 25, 2010
I am using an image button and on click of it i want to go to visited page.Now i am using - Response.Redirect(Request.UrlReferrer.ToString()),It is going to previous page, but when i am in a page of some user details where the link is looks like - users.aspx?userid=25 and i visit some other page and click back(image button) i want to see the same userdetail page. How to track that.
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Jul 23, 2009
I have a search page with a couple of pulldowns. Dependig on the values of them I show a grid matching the searched criteria, basically a table with links the user can navigate to. My problem comes when the user wants to navigate back. At the moment I have a "Back" button which simply redirects the user to the initial search page. I think it would be a good improvement to have the values of the pulldowns filled in with the values the user selected, this way when he presses the "Back" button he would not have to restart the whole search process again.
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May 31, 2009
I'm not sure what I did, But I would like to get my toolbox back to normal where I can put it back on auto hide and such.
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Mar 30, 2009
Im trying to use a CheckboxList Control to Store Yes and No and i noted there its a property on the control
"Selection Mode" One/MultiSelect/MultiSelect Extended
i set One expecting it to allow only one item being select at the same time but it doesnt work as expected, my question is there its another property to achieve this without having to code the event?.
i could do it by coding the event but, im tired of coding stuff that really isnt needed, since there are routines for that on VB.NET.
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Sep 17, 2009
Using a checkboxlist not a simple checkbox I need to select 1 checkbox otherwise display a error message in an label once I submit the form. My checkboxlist does generate correctly now I just need to validate it
'check checkboxlist
For Each ckbox In checkBoxCropsFertilzed.Items
If ckbox.Selected > 1 Then
lblErrorMessage.Text = "too many selected"
End If
Next
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May 10, 2012
We have a server application and a client application that communicates with each other using socket.
When the server application sends 2 messages about 16-31 ms apart, the 1st message is received by the client application with little delay (like 16-32 ms after it was sent). But the 2nd message is received by the client application a lot later (like 200 ms later) than when it was sent.
We already disabled Nagle algorithm (set NoDelay = True) in the socket in both the server and client application.
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Jun 17, 2011
We are having problems with sending back to back emails on one of our web sites. The site is built with .net framework 2.0.We can send the first email without any problems on every try. But to send a second email you need to wait about 20-30 minutes.the problem.One thing we tried was changing the smtp email server. We tried a third party smtp server but the same problem persisted. So I think the problem is not with the smtp server but with our .net code.
Imports Microsoft.VisualBasic
Imports System.Net
Imports System.Net.Mail
[code].....
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Dec 17, 2009
If I have a List(Of Guid) can I map those Guid's with a single Linq expression to a CheckboxList of values?
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Jan 22, 2011
Pretty basic question, I have a checkboxlist inside of a wizard control. I need to collect the value of all items that are checked, as well as whatever value is inside of a textbox if "other" is checked, to insert into my database during the Wizard.FinishButtonClick event. How do I do this?
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Feb 29, 2012
So, I'm running VB.net 3.5. I have a dynamic list of server names, and I want to put them in a CheckBoxList. The list is populated and, using that same list, I make a graph of the performance for each server listed. I want to be able to check and uncheck the checkboxes representing servers and, when I lick an update button, it'll create a new graph and graph only the servers that are still checked. I noticed that the page still loads before the button click is handled, so the CheckBoxList will repopulate itself before being able to read the current CheckBoxList. This is my load. And I populate my checkboxlist inside ShowView()
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
If Not Me.IsPostBack Then
[Code]....
And I wanna try to preserve the checkboxlist values when I do an event handler for an update button.
Private Sub btnUpdateGraph_Click(sender As Object, e As System.EventArgs) Handles btnUpdateGraph.Click
'insert code
End Sub
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Sep 16, 2011
How do I specify that I want two columns on a checkboxlist?Below is my code:
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
If Not Page.IsPostBack Then
Dim di As New IO.DirectoryInfo("\bk00app0001Images")
Dim imageArray As IO.FileInfo() = di.GetFiles()
[code]....
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Jul 22, 2009
how can i connect a checkboxlist with a database?
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Oct 26, 2011
I have a list of options on my site that a user can select. What I want to do is provide functionality to limit the amount of content the user gets based on his selection in a CheckBoxList. Once he's selected what he wants, he'll click Save and his selection will be written to the database. The CheckBoxList is initially populated from the Modules table. This provides a list of modules that the user can select. When he clicks Save, the code needs to loop through this CheckBoxList and "pick out" the values for the CheckBoxes that were checked, disregarding the ones that weren't. The problem is that whether a CheckBox is checked or not, the debugger returns a False value for the CheckBoxList.Items(i).Selected property.
Here's my code:
Private Sub AddUpdateOrg(ByVal OrganizationName As String,
ByVal Action As String, Optional
ByVal Target As Integer = Nothing)
[Code] .....
Its possible that this behavior is the result of a postback from the save button. Upon further examination of the code, I've reconsidered the possibility that this issue is caused by a postback as the CheckBoxList is not bound on page load.
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Oct 19, 2011
My below code pulls in 100 items into the checkboxlist all into one column. How can I modify the code so it will appear as two columns?
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
If Not Page.IsPostBack Then
Dim di As New IO.DirectoryInfo(ImagePath)
Dim imageArray As IO.FileInfo() = di.GetFiles()
Dim image As IO.FileInfo
'list the names of all images in the specified directory
For Each image In imageArray.OrderBy(Function(i) i.Name)
CheckBoxList1.Items.Add(image.Name)
Next
End If
End Sub
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Jan 18, 2011
connection here and declaration of variable
Dim i As Integer
Dim chk As CheckBoxList
chk = CType(Me.FindControl("chkBx1"), CheckBoxList)
For i = 0 To chk.Items.Count - 1
[Code]...
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