.net - Asp.net Dynamic Checkboxes?

Mar 19, 2010

I have an asp.net page which a user types in a "search" box, the code behind functions/subs etc produce a list of users matching the search criteria. In front of all the users returned in the search results, I have codded a html checkbox. Under the list of results, there is an "email users" button...

so.. I want to be able to click a number of checkboxes beside the results and then click on "email users" button which should take me to another page with email functionality so an email can be sent to all the previously selected users My confusion is over getting the "selected" user list from the results into the email page.

Because the checkboxes are manually coded within the code-behind file (ie the code basically generates a bit of html and pushes it into a label "placeholder", so I dont get any control functionality to get the checkboxes using the vb code, or can I?

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Count The Total No. Of Asp.net Checkboxes, Checkboxes Checked, No. Of Checkboxes Remain Unchecked In Webform Using .net?

Dec 9, 2010

How to count the total no. of asp.net checkboxes, checkboxes checked, no. of checkboxes remain unchecked in webform using vb.net ?I m using Visual studio 2008 with vb as a language ..I my webform i have 10 checkboxes...i wanna count total no. of checkboxes in webform in textboxes1 total no. of checkboxes checked in webform in textbox2 total no. of checkboxes remain unchecked in webform in textbox3?

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Access Values Of Dynamic Controls Added To Dynamic Tabpages?

May 8, 2011

i have created a dynamic tabpage and a dynamic tablelayoutpanel inside it then added dynamic textboxes and labels inside the tablelayoutpanel...the thing is , i am having a problem on how to access the value of those textboxes and labels and add them as new columns in the new table(tagpage) in mysql database, i can already create the table in the database but i cant add the new columns in it. heres the code for accessing the values of the labels and textboxes

error: NullReferenceException was unhandled....Object variable or With block variable not set.

sql = "alter table " & tbl_selected(counter) & " add " & frmMain.Controls("TLP_" & SecArrList_sp(counter2)).controls.item(SecArrList_sp(counter2) & "label" & counter).Text & " varchar(100) NULL;"

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Dynamic LINQ Query Based On Dynamic Number Of Comboboxes?

Feb 5, 2010

I would like to bind a DataGridView to a different LINQ query every time (in order to reuse the same form/DGV for different queries), like this:

[Code]....

but the "Qry", and the number of comboboxes, and their field names would change every time.

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VS 2010 MDITAbControl Add Dynamic TextBox With Dynamic Webbrowser?

Feb 29, 2012

Basically i have one TabControl with a form and 2 browsers within one form I have ProBlem To call the dynamic browser to navigate with dynamic Textbox.text

[Code]...

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Dynamic SQL To Dynamic LINQ In .NET With MS SQL Server 2008?

May 24, 2010

I need to represent the following query using LINQ:

DECLARE @PurchasedInventoryItemID Int = 2
DECLARE @PurchasedInventorySectionID Int = 0
DECLARE @PurchasedInventoryItem_PurchasingCategoryID Int = 3
DECLARE @PurchasedInventorySection_PurchasingCategoryID Int = 0

[code]....

Now, I know that a query in .NET doesnt look like this, this is my test in the SQL Design Studio. Naturally VB.NET variables will be used in place of the SQL local variables.My problem is this: All of the conditions after "WHERE" are optional. In that a query might be made that uses one, some, all, or none of the conditions. V.PropertyID and V.Value can also appear any number of times.In VB.NET I can make this query easy enough by simply concatenating strings, and using a loop to append the "V.PropertyID/V.Value" conditions.I can also make a Stored Procedure in MS SQL, which is easy enough.However, I want to accomplish this using LINQ.

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VS 2008 Dynamic Timer In A Dynamic Form

Feb 19, 2010

Ive managed to dynamically create a form, and dynamically create a timer, but i have not been able to create the timer on the dynamic form. Specifically, i need to be able to have the timer itself create another form with a timer. (I realize that this would create a new form every interval on the timer, that is what i want to do)

1. A way to add the timer to the dynamic form, and maintain the timer sub on my main form.

2. A way to create the whole thing over (dynamic form and timer) through the previous dynamic form and timer.

I was thinking i could use a collection/array to store the forms and timers, but i'm still having trouble figuring out how to add entire forms or timers into a list. (A timer is not considered a control, so i cant use a controlcollection...)

Heres my code;

Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Dim frm As New Form

[Code]....

*EDIT* Btw, my idea was to use i as a variable that increases every time a form is created, then insert the form into the array, with i as the integer. i just need to know how to create a new form with a different name each time. (as with timers)

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Dynamic ContextMenuStrips On A Dynamic Form?

Oct 15, 2009

I have a form that i need to be 100% Dynamic. So it could contain 10 labels maybe 100 who knows.

When you hover over a label there will be a different contextmenustrip to appear for each and every label. So all the contextmenustrips are Dynamic and contain 1 option maybe 2 options even 3 or 4 up to the users settings.

My problem is not creating a handler for when the user clicks on the contextmenustrips options. The problem is knowing which one of the options for that contextmenu was clicked!!

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Dynamic ToolTip For Dynamic Text Box?

Jan 11, 2012

OK, I'm trying to display tooltip text for a dynamic edit box. Well, at least I'm trying to.

On my form, I've got a tool tip control which I've conveniently named ToolTip. My edit box displays OK. But, what I want to do is when the user hovers their mouse over the text box, I want the tool tip to display some text.

I think there are two problems that I'm having. I'm not convinced that I'm properly addressing a dynamic text box name. Ideally, I would want to be able to refer to the text box (but using a dynamic variable that will contain the prefix of the name). To hardcode, I would want to be able to achieve (not in this example but in theory): ABCDEFGt_0300.Text = "hello"

Dim controllerName as string = "ABCDEFG"
Dim t_0300 As New TextBox()
Me.Controls.Add(t_0300)

[Code].....

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Add Checkboxes Into Datagrid?

Nov 9, 2009

how to add checkboxes into datagrid.

what all references should be made.

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Add Only Checkboxes In Column 4 And 5?

Jan 17, 2012

I have a listviw with 5 columns. how to add only checkboxes in column 4 and 5? Every time I add an item to that listbox the first three columns will have text and the last two will have always only checkboxes?

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Asp.net - .NET Checkboxes Checking?

May 14, 2012

I have a form which contains a checkbox field. On page load I want to create a separate checkbox for each customer in my Database. The code I have to create the checkboxes for each customer works fine. However, I also want to check in the database if the customer is set to unauthorized if they are then I want to check there box. I also have code for the case where the user checks a box. If a box is checked I update the database setting the unauthorized attribute to true. My problem is when I check a box it works fine and the box is checked, however if I reload the page all the boxes are unchecked. So either my database update is not updating the database or the way I check on page load for checked boxes is incorrect. Any ideas?

The code for the asp checkbox field:

<asp:CheckBoxList id="check1" AutoPostBack="True" TextAlign="Right" OnSelectedIndexChanged="Check" runat="server">
</asp:CheckBoxList>

The Code for the page load:

Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
Dim sql As String = "SELECT Name, unauthorized, ID FROM Customer ORDER BY Name"
Dim dt As DataTable = db.execDataTableQuery(sql, "Customer")

[code]....

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Asp.net - List Of Checkboxes?

Jan 10, 2011

I'm a newbie in VB.NET and ASP.NET. This is my problem:I retrieve a list of records from DB and, for every row, I need to show 4 checkboxes. I can use a checkboxlist for every rows, but it's not so clear how I can process the results after the submit.

I've some object and some operations available for that object. From database I extract a list of object with all operations. For every operation I want to show a check box to enable or disable the operation. The result is something like that:

[code]...

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Group Box With Checkboxes?

Nov 27, 2011

Using VB

Say I have five checkboxes in a groupbox. I want to run an if then statement where if all boxes are not checked I would perform a certain action. I currently have it set to work using code similar to this

If box1.Checked = False And box2.Checked = False And box3.Checked = False And box4.Checked = False And box5.Checked = False Then
End If

Is it possible to reference the entire groupbox has having a false boolean property?

While doing this is managable - what if I had more check boxes?

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Have 15 Checkboxes In The Form?

Aug 19, 2009

i have 15 checkboxes in the form

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
'Dim a As Integer
'For a = 1 To 15
'If ColorDialog1.ShowDialog = DialogResult.OK Then

[code]....

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How To Get Checkboxes To Work

May 1, 2009

I am working with an old web application developed in VB.NET 1.1 framework. I am having an issue with checkboxes. I have the following code for my checkbox:

<asp:TemplateColumn HeaderText="Reviewed">
<ItemStyle HorizontalAlign="Center" VerticalAlign="Middle" />
<ItemTemplate>
<asp:checkbox ID="chkAppRev" Runat="server"

[Code]...

This all works fine until I add another check box in the asp code and another oncheckchanged method, it seems like it just skips over the query.

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Loop Through 28 Checkboxes?

Jan 20, 2011

On a form I have 28 check boxes, each one represents a day out of a 28 days. I would like to be able to loop through the check boxes and assign a value to each day instead of checking the value 28 times.[code]...

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Looping Through Checkboxes?

Apr 20, 2011

On a form I have a series of 20 checkboxes (cbS1 through cbS20). With that I have an integer named 'Count'

What I need to do: When the forms loads it will get a value for Count. I need all the checkboxes that are greater than this value to be checked.

So if count = 7 then cbS8 through cbS20 will be checked.

Im not really sure the best way to code this is. I know I can do it with a giant case statement...but there has got to be a better way right?

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Run Loop Through All CheckBoxes

May 17, 2011

For Accounts As Integer = 1 To 10
If Cbx1.Checked = True Then Call Login1()
Next
What I want to do with this is run the loop through all 10 Checkboxes Cbx1>Cbx10. How do I use the & to do this so where the number 1 is I can replace with Accounts variable?

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Three Checkboxes On Asp.net Webform?

Jan 3, 2011

If I have three checkboxes on my asp.net webform.. if 1 is already checked on pageload event then output in textbox would be 2,3 if 2 and three checkbox would be checked... even after.I want if the checkboxes are already checked on page load event, we have to ignore that checkboxes, and add recently checked checkboxes, checkbox2 and checkbox3, will be entered in textbox 1 as 2,3.

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Using Checkboxes In Datatables?

Jan 18, 2012

I have a datatable with a yes/no checkbox in it and when I filter my datasource it loads form2. Right now I'm using this code to have a label's color as green if it's checked and red if it isn't:

Private Sub Customers2BindingSource_CurrentChanged(sender As Object, e As System.EventArgs) Handles Customers2BindingSource.CurrentChanged
If ActiveCheckBox.Checked = True Then
Label1.Text = "Active"

[code].....

That works when I do something like bindingsource.movenext because it's in the bindingsource_currentchanged event, but when I try adding that to the form_load it's automatically set to Inactive, color red. I figured it's because is set to checked = false, but what event do I use to make this work when the form loads?

What's the value of a checked checkbox for the update/delete/insert commands? Like dates are DateDateTimePicker.Value.Date. Is it something like this?

.AddWithValue("@Active", ActiveCheckBox.Checked)

I don't use checkboxes to often.

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Add Text In A List Box Via Checkboxes?

Mar 22, 2010

what i need to do is to add text in a list box via checkboxes. For example if a check box is checked, then a certain text (e.g. "Flea Treatment") gets added to the list box. In my project there are around 15 checkboxes, and not all of the may be clicked. So what I want to do is, when there are values in the list box (Only words!) then I press the Save button and all the values (i.e. all the treatments, e.g. Flea, de-worming, myxomotosis) inside the list box are saved to my database. The table inside the database, is called tblNotes, and has only 4 fields, one of which is a unique ID field, which is the primary key; the other field is the one where I want the values inside the list box, to be saved. As for the other two, they are for standard textboxes, with a fixed length, they are already working.My problem is this: The list box won't save to the database, and I want to know how I could save it. This is the code I have for saving it to a database (btnSave):


Private Sub btnSaveNotes_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnSaveNotes.Click
'The purpose is to save the changes made to the record on the screen
'Check if compulsory fields don't contain data, show error message and place cursor back in field[code].....

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Unbound Checkboxes In DataGridView?

Jun 21, 2010

I'm working on a project where I've loaded a database into a DGV. I also have an additional unbound checkbox column for the users to select entries with. I have code in place to read the selected rows and save them into a CSV string, which is then saved in the usersettings. All this works fine.

PROBLEM AREA:
I'm trying to reverse this effect so that when the DGV loads, the checkboxes that the user selected previously are checked (and the others left unchecked). I've debugged this extensively, and using watches have confirmed that all the values in the loops are right, and the conditionals are all kicking correctly, but it seems the code I'm using to actually check the boxes doesn't work. I've searched dozens of web pages, msdn white papers, and forums, but no suggestions will check the darned box. Below is some example code.[CODE...]

In debugging, it seems the value for the Cells IS changed, but the checkbox never gets selected. The try/catch was just to pick any error messages (but there are none with this code). What am I doing wrong here?

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.net - Checkboxes To Indicate Inclusion In A List?

Jan 25, 2011

I have two tables, called Machine and Type. Since they have a many-many relationship, I have a MachineType resolution table in my DB. No problem. The end user needs to be able to manage these - create new types and assign them to machines. I have an XtraGridView that I am using to display the Machine as master and Type as detail.

Initially I used a Lookup to add Type dropdowns to the MachineType detail view. But that creates duplicates and is not the best way to display this information. I'd like a series of checkboxes (one for each Type options available) so the user can click the appropriate ones for each machine, thus avoiding duplicates.Upon saving, the appropriate MachineType rows can be generated.

I was going to just code this manually but if there's some kind of binary collection mapping in either DevExpress or the .net framework I can use, I'd prefer that than to reinvent the wheel.

EDIT: This is what I mean. From this thread. However, they store it as a collection (a string delineated by commas) and not a series of DB rows.

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.net - DropDown List With Checkboxes

Sep 29, 2009

How can i make a dropdown list with checkboxes ? I have a windows app ( vb.net) and the checkboxlist control is not real an option with the available space on my form.

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Add Up Total Point Using Checkboxes?

May 17, 2009

I would like to know how do I add points to the checkboxes and how do I add the checked boxes up to get the overall points?

Below I have an attachment on roughly how I wan it to works in case my words are not that clear.

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Asp.net - Add New Row(s) To Gridview Including Checkboxes

May 7, 2012

I am looking to create a gridview with an add button to have the user be able to insert a new blank row. I am also looking for this row to be able to have checkboxes as fields.

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Asp.net - Calculate Many Checkboxes Are Checked In .Net?

Nov 9, 2010

I have 3 asp.net standard checkbox control and 1 textbox. I check 1 and 3 checkboxes. In textbox how to calculate how many checkboxes are checked? If I checked 1 then textbox result is 1. If I check 1,2 the textbox result is 2. If I check all checkboxes then the result is 3

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C# - Clear All Asp:TreeView Checkboxes

Jan 30, 2011

What is the best way to clear all of a asp:TreeView checkboxes so that they are all unchecked? I've tried iterating through the treenodes and unchecking but this isn't working especially for child node checkboxes.

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Check All Yellow Checkboxes?

Dec 10, 2010

I have a piece of code for a program where when a specific checkbox is checkedunchecked (In this case "Allyellow") it checksunchecks any checkboxes within a group of 14 with a lightyellow backcolor.

While the piece of code below does this fine it seems to me to be very clunky and it must be possible to streamline it.
Private Sub Allyellow_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Allyellow.CheckedChanged
If Allyellow.Checked = True Then

[Code]....

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