Create A DataGridView Control Array At Runtime?

Oct 10, 2011

I want to create a DataGridView control array on my form at runtime? I am fairly new to


App. To Create An Control Array At Runtime That Will Consist Of Up To 50 Data Bound Labels

Mar 13, 2010

I need my app. to Create an  Control Array at runtime that will consist of up to 50 Data Bound Labels. The app. will first be checking the 1st database field (Ing1) to see if there is data, if so then only create the 1st Data Bound Label (lblIng1) and then check the next field and so on.

The problem is that  VB 2008 dos not seem to support Control Arrays. There must be another way to work around this.

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Runtime Add Datagridview Control In Tabcontrol?

Nov 15, 2011

I have an tabcontrol which has dynamically added the tabpages now i want to add datagridview controls in each tab pages how i can do this.I am written the code like

For i = TabControl1.TabPages.Count - 1 To 0 Step -1
Dim dtg As New DataGridView


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Create Array Of Radio Buttons At Runtime In VB2005 Environment?

Aug 22, 2009

how to create array of radio buttons at runtime in vb2005 environment

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VS 2005 Create A Control During RunTime?

Mar 17, 2009

I googled this and found several different codes, but none of them work. What I want is to be able to create a control, for example a Label, during the runtime of my program. I've tried:

Dim lbl as New Label
lbl.Text = "Hello"
lbl.Location = New Point(20, 20)


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Moving And Resizing Custom Control At Runtime In Datagridview?

Nov 25, 2010

i'm attempting to develop a calendar using datagridview where column headers are dates and row headers are list of employees.

i would like to add a button/custom control on the datagridview to represent a task over time where I can move or resize at runtime.

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Create A Client Control At Runtime In Windows Form?

Aug 28, 2010

I am writing a Windows form application where a client has the ability to add as many chart as needed in the form by clicking at an icon in the menu bar at run time. These charts will have the same format, and I will have them linked to a text box for the client to select which entity to chart.I have no clue where to start. I did a web search and I have found articles that show how to add user's control at design time (I don't think it is what I want).

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Create A Control At Runtime From Database Field Values?

Sep 19, 2011

I'm new to programming and would like to know how can i create radio buttons at runtime using the field values in my sql database. Im creating a survey application.(windows forms)in the relational database i have 2 tables one for questions and one for options.

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Create The Control Runtime And In The Memory And Not Showing Anything In The Form?

Jun 8, 2010

I wanna to load a web page and login.I know how to do this with a web browser control but:I wanna to create the control runtime and in the memory and not showing anything in the form.I wanna to load many pages in the memory and extract my information needed without anything to see by user.

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Create Customized Control On DataGridView Control?

Nov 9, 2010

I want to create customized control on DataGridView Control in Vb.Net. But I am facing too many problem. How to create dynamic rows and columns and columns like

DataGridView Combo Column (extended combobox)
DataGridView Memo Column
DataGridView DateTimePicker Column


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Create A Control Array In .NET?

Mar 11, 2012

It was so simple in VB6 but I don't know how to approach it in VB2010. I've looked the internet but each site seems to have a different solution and masses of code for something that could be done in a few lines in VB6.Here is the code I want to use. How do I go about creating a control array of 100 picture boxes pic(1) up to pic(100)?

For y = 0 To 9
For x = 1 To 10
tempObject = (Mid(StrRow(y), x, 1))


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Create Control Array In VB?

Jun 18, 2011

How to create four PictureBoxes array at design time e.g. pic(0), pic(1), pic(2), pic(3). In VB6 set the Index property of PictureBox but VB.NET hasn't this property.

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Control Array Of Datagridview Objects?

Oct 13, 2011

Migrating from VB6, a control array of flexgrid objects. Obviously flexgrid is not supported by VB.NET, so DataGridView objects have to be used instead.  I tried this alternative to placing them in a list.

I have two DataGridView objects which share a lot of code as well as event handlers. They are named D1 and D2 and many properties, such as column headeders etc., are set at define time. The control array is simulated by passing the "index" and selected grid as parameters in subroutines. For example, the routine to fill the grids, is as follows.


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Create A Control Array In VB2005?

Mar 6, 2011

I'm trying to create a control array in VB2005. As I've said in other questions, I've been working in VB5 for a good while but I'm new to VB2005. I know how to set the array up in VB5 but it doesn't work in VB2005. I tried some code that someone told me about, but it's not working. I have several books on programming VB2005 but

Here's my code as it stands now:

Class frmMain
Public lblFasting(30)


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Create A New DataGridView Control For Each New Row In Another Datagridview?

Sep 24, 2011

I have a DataGridView control (DataGridView6) that displays a list of managers. I want to generate a new DataGridView everytime I add a new manager to the list and put it in a specific place on my form.

EDIT: say if i have a main datagridview, and i want to add another datagridview of the same size directly below it, how would i achieve this using the event handler method described in your answer below? im not sure if this is the most efficient way of displaying new members in the program though...

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Create Event For Dynamic Control Array?

Nov 16, 2010

I'm trying to create an array of checkboxes dynamically and also want to put event to those checkboxes. For example: I have a array of checkboxes - Chk1, Chk2. I want it to work this way: When I check Chk1, I want to disable Chk2, and when Chk1 is unchecked, Chk2 is enable, and vice versa.


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How To Create Timesheet Using DataGridView Control

Mar 17, 2011

I am creating a timesheet using a datagridview control, the user must enter the time in the cells for the code to process. The control however converts the data to a string even though the defaultcellstyle.format is "t" for shorttime. I need to get the control to accept time in various formats and covert it to a standard format. If the user enters 8.00 the cell should display 8:00 am, if the user enters 8p the cell should display 8:00 pm.

After entering the data the user clicks a button to process the data, the code checks each entry to ensure it is a date (using IsDate) and performs some calculations based on the times entered by the user. the information is then stored in a table. My problem is the datagridview control converts the cell entries to strings but I need it to retain the datetime format as I get a casting error when I try to use cdate to convert back to date.

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Adding Dropdown List At Runtime And Access Control And Events At Runtime?

Dec 20, 2010

I have created multiple dropdown list at runtime and populated with data. I also have added an eventhandler to determine the selected value of the drop down list.

The code is as follows :
Dim tbl As New Table()
tbl.EnableViewState = "true"


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Code For Displaying A String Array Of (9x13) Values In A Datagridview Control?

Nov 22, 2011

provide a simple example code for displaying a string array of (9x13) values in a datagridview control. I am lost in the complexity of data binding and datagridview controls. I am an experienced VB6 programmer and cannot seem to grasp the transition from flexgrid control to datagridview control.

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Resizing Array At Runtime In .net?

Jun 8, 2009

on my winform at runtime i will be resizing my array each time i add an element. so first i must resize to the size + 1, and then add a member to this index. how do i do this?

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Perform A Sum Of Individual Column Of 2d Array And Send The Result To 2d Or 1d Array Or Datagridview?

Mar 12, 2012

I have a 2d array of data that I have performed the sum of the individual column of the 2d array. I want to send the results to a datagridview  and also will like to have the result as a 1d or 2d array.

Below is sample of my code

Dim Array1(,) as double
Array1(0, 0) = 5
Array1(0, 1) = 7


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Increment Array Index During Runtime

Sep 10, 2011

I've got a loop which should be executed three times.


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Making An Array Of Pictureboxes At Runtime?

May 22, 2010

im making an array of pictureboxes at runtime:

Dim picEnemy(9) As PictureBox
Dim enemysprite As Image
enemysprite = Image.FromFile("....gif")


i get the error:Object reference not set to an instance of an object.

now i know the error would be solved if i had:

dim picEnemy as New Picturebox, but i cant since its an array

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Runtime Dimnsionalize A Jagged Array

Dec 13, 2010

Okay I'm tring to make a fairly simple class


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VS 2008 Byte Array At Runtime?

Nov 8, 2011

i have a byte array in my code which contains hex values which is readed from a bin file. now what i want to do is cut this array into equal size of 4096 bytes and made new array,s at run time and assign first (4096) byte,s to first array and so own

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VS 2008 Runtime Array Of Textbox?

Feb 23, 2010

Ok so i am currently working on a magic square game and basically my form creates an 2d array, dimensions make by user(ex:2 by 2), then the form creates the number of textboxes(Ex:4) and i need to get the values in runtime to check if it is a magic square

Dim MakeArr(dbltxt - 1, dbltxt - 1)
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click


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Populating A Form With An Array Of Controls During Runtime?

Jan 20, 2010

I am new to VB 2008 express (I am a 'C' coder but have played with VB6 before). I am writing a simple program that will use the serial port. What I would like to do is, upon some trigger event, open a form, and depending on the amount of serial ports available, populate this form with an array of checkboxes with each check box corresponding to an available serial port. The user could then choose a port which would then determine the PortName.

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Referencing An Object Inside An Array In Runtime

Dec 30, 2009

i'm trying to reference an object dynamically inside a loop; something like this:[code]

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Summing An Array Of Textboxes Created At Runtime

Dec 8, 2009

I'm creating an array of textboxes using this code, (x number of textboxes)

'Quantity textboxes
ReDim QuantityTextBoxes(x)
QuantityTextBoxes(x - 1) = New TextBox()


I need to sum the values of each textbox, but only if there is a value in it. I have error checking elsewhere so that isn't the issue. It keeps giving me an error saying "Object reference not set to an instance of an object."

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VS 2008 - Index Outside Of Array Runtime Error

Apr 18, 2009

I just recently started getting an index out of bounds error on one of my arrays at runtime. I was not having this issue previously. It only seems to happen when several items are added to a listbox.

Here is my declaration and code.
Dim ClientActiveMedProbs(frmmain.lstActiveMedProbs.Items.Count) As String
'store all active medical problem information in an array & build a string
For i As Integer = 0 To frmmain.lstActiveMedProbs.Items.Count - 1
ClientActiveMedProbs(i) = frmmain.lstActiveMedProbs.Items.Item(i).ToString
[Code] .....

The actual error message is:
Index was outside the bounds of the array.

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VS 2008 Byte Array Modification Runtime?

Nov 12, 2011

i have a list of byte array,s what i want to do is search for a element, replace that element ,add one more element after first element.

ex for element 7D i want to add 5d after . and for element 7E i want it to replaced it by 7D and need 5E after.

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Add Column At Runtime In DataGridView?

Mar 18, 2006

I am using VS 2005. My que. is that how to add column into datagridview at runtime?

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Controls In Datagridview At Runtime

Feb 12, 2009

I have a situation where i'm populating records in datagridview from a table where first column is the ParameterName, Second Column is ParameterValue and third column is ParameterType.When i click on second column in any row as per the records, it should show the control type in this cell as per the third column parameterType.[code]

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How To Add Datagridview Checkbox In Runtime

Jan 15, 2012

i nid to create a program that assigns a student to the available section. i want to populate my data in datagridview using mySql as database..while populating these data.. the datagridview should create a new checkbox column to select/deselect records.

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Update Datagridview In Runtime

Oct 8, 2009

I have a project with widnow forms. On a form i hava a textbox, datagridview and a button. My datagridview is bounded to my database. I will like some help with updating datagridview with text that i add with my button to database. I tried the update and refresh on my datagridview but there is no update seen when form is active. If i close and open the form then the changes are being seen on datagridview. This is my code for button click event:


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Enter Values / Elements Into Dynamic Array During Runtime

Sep 4, 2010

I am new in programming. And I am coding with VB.Net (VB2008). On my form I have 9 checkboxes. And each of this checkbox when checked is meant to submit a value to a dynamic array. Initially the array was a constant that was declared like these:
Dim Notes() AS integer = {1, 2, 5, 10, 20, 50, 100, 200, 500, 1000}

But I want the array to be dynamic. That is the user of the program is to enter the element of the array. So I decided to use checkboxes. So that if the user of the program checks any of the checkboxes, a particular value or element should be submitted into the array. And the user should be able to check as many checkboxes and have values representing those checkboxes submitted in to the array.

For example: if the user check checkbox1, checkbox2 and checkbox50.
The array should look like these. { 1, 2, 50 }
or if the user check checkbox1000, checkbox200, checkbox10 and checkbox500
Then the array should hold or contain the following integers in this order; {20, 200, 500, 1000}.

That is the array is dynamic and the content/elements of the array and the bound of the array should depend on the checkboxes that is checked. What other means can I used to enter values/elements into a dynamic array during run time.

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Create A Listbox On The Fly (at Runtime)?

Feb 18, 2011

I'm attempting to create a listbox when a button is clicked in Visual Basic 2008. I can't seem to find code that works to do this.

Dim lstOutput As ListBox
lstOutput = Me.Controls.Add("VB.Label", "List1")

Problem is that both of the things inside the parenthesis generate errors:For the first one:Value of type 'String' cannot be converted to 'System.Windows.Forms.Control'.And the second one:Too many arguments to 'Public Overridable Sub Add(value As System.Windows.Forms.Control)'.

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Create A New Setting At Runtime?

Jun 21, 2010

Is it possible to create a new My.Setting item and value at runtime or does the setting already have to created? I'd like create new settings and delete settings.

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Create And Use Tabcontrols At Runtime?

Jan 23, 2011

I can build the tabstrip fine and name it - that part is from what I can see the easy bit.What I want to do is select a tab then create a listbox on that tab, and then pupulate the list box with data.
For this test I am using the event viewer.

The system loades the logs into memory, and then creates however many system logs there are ie application, system security etc etc.

But how the hell do I select one of these tabs then draw a listbox and then address the list box - Ideally the list boxes etc will be created at the time of the tab?[code]...

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Create Controls In Runtime?

Jun 21, 2010

I want to create controls in runtime and attach them to an already connected database..

the controls must vary e.g.Array of Strings can be used.

how to place these controls on a panel in a orderly fashion.

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