VS 2008 - Storing Selected Item In ComboBox To Variable On Button Click
May 10, 2010
I have 13 variables, all called Items1, Items2, Items3 and so on. I have a combo box with items in, each time I click a button I want it so whatever is selected is stored in a variable and if the button is selected again then it stores whatever is selected in the next variable. I know all the code for selecting items in a combo box and transferring it to a variable but the problem I cannot do is the part where each time a button is clicked it stores whatever is selected in the combo box to the next variable.
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Jan 20, 2010
I am trying to have the index value of a selected item in a combobox returned to a variable. Then, if the variable = 1 (which would be the index of th second item in the combobox), I want a groupbox to be hidden (be invisible) on the form. Here is my code...Getting an error that says:
'ListIndex' is not a member of 'System.Windows.Forms.ComboBox'
Code:
Private Sub cbxAccounts_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs)
Dim selection As Integer = CInt(cbxAccounts.ListIndex)
If selection = 1 Then gbxCheck.Hide()
End Sub
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Jan 20, 2010
I am trying to have the index value of a selected item in a combobox returned to a variable. Then, if the variable = 1 (which would be the index of th second item in the combobox), I want a groupbox to be hidden (be invisible) on the form. Here is my code...Getting an error that says:[code...]
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Apr 10, 2012
I have to hidden buttons on my page that I can trigger using JavaScript (__dopostback...). I also have a list of object on my page and a dropdownlist giving the user the possibility to sort those objects on the page. My code checks the current value of the dropdownlist on Databind of the list and applies the chosen sort method to the list. The first button is triggered when the user has selected another sort method from the list.
The second button is triggered when the user adds a new item to the list. Sortmethod "sort2" should be set automatically in the dropdownlist if this happens. So when the second button has been clicked, I need to set the selected item of the dropdownlist dynamically so I can check the value of the selected value later in the DataBind method of the dropdownlist and know what sort method should be applied.
I don't succeed in changing the selected value dynamically. I'm using to controls: First is the objects.vb and the second is the ObjectContainer.vb. Objects.vb contains the two buttons, the dropdownlist and an instance of the objectcontainer. The objectcontainer contains the list with objects that needs to be sorted based on the value selected in the objects control.
Objects.vb:
Private sortMethod As DropdownList
Private container as ObjectContainer
Protected Overrides Sub OnInit(ByVal e As System.EventArgs)
MyBase.OnInit(e)
EnsureChildControls()
End Sub
[Code] .....
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Feb 15, 2012
i i have a listbox and 1 button in my application thing i want is when i click on some listbox item auto press that button or when i click on some item in list box it remove selected items from list box just with mouse click
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Dec 27, 2009
I wantt o change the selected item in a combo box if a user enters a name which is already in my dataset. The Combo Box is linked to my database set and all the other text boxes are linked using my databindingsource.How can I do this, I have this code but it does not change it.
vb.net
Try
Dim name As String = ""
Dim inputname As Object = TextBox1.Text
[code]....
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Feb 1, 2012
I have a little problem that i want to show a "sub Combobox" with the help of super combobox. i don't know it is possible or not becux i'm beginner in VB.
[Code]....
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May 6, 2012
In lack of a Value property I planned to use Classes for storing Text and Value properties for my ComboBox items. So far I've succeeded.Here is my class:
Public Class clCombobox
Public cname As String
Public cvalue As Integer[code]......
It seems like this works so far. But how do I get data back. Like if I want the value of the selected CheckBox item? I tried using:
CType(cmbCombobox.SelectedItem, clCombobox).Value() Did not work.
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Oct 31, 2009
Just started on vb.net
I have a combo box with "yes" and "no" with i select Yes i want the label2 to change the text to "yes" likewise with "no"
I've tried to code it in a logical way as possible but it just doesn't works except for the "wtf" so i think that overall my code is correct but the way i want to retrieve the selected item from combo box is wrong.
Public Class Form1
Dim aa As String
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As
[Code].....
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Dec 29, 2011
i have a combobox containing countries name and their codes like INDIA:CNT001 then i have a textbox that store the code of country i.e CNT001(fetching from database) Now i want to match that code with the combobox code so that the combobox is set to that item when i click a button. i m using vb.net and sql server as database.
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Feb 21, 2012
I have a listview with a few items like below. What I need is when I select an item in the listview then click a button it will go to the url that in the second column in a webbrowser. So when I select an item then click a button it will do webbrowser1.navigate(listview1.selecteditem) or something like that but I cannot figure out how to get just the url.
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Oct 20, 2011
Hi, i want to click a button and it will select the number 2 item in a listbox?I have this but it does not work :/
ListBox2.SelectedItem = 2
EDIT: nvm, i found it
ListBox2.SetSelected(2, True)
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Oct 13, 2011
How someone would select an item from a list box and click a button and have that item go into another listbox with it's price? I seem to be stuck on this part.
Here's my code:
I want to select the first option from the first listbox and I want to put it into another listbox along with the price of that item on the same line in the listbox. I can't seem to figure out how to that.
Public Class Form1
Const dcmPRICE_STRESS As Decimal = CDec(595.0)
Const dcmPRICE_TIME_MANAGMENT As Decimal = 695
[CODE]...
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Mar 31, 2011
I am having a problem with using a value from a selected item in combo box. While debugging using breakpoints I can see that the combo box is working fine. The problem is I need use the selected value of the text box in HeatTransmissionCoefficientforAsinglePipeCalculation function and while debugging I saw that ThermalResistanceofTheInsulation, ThermalResistanceOfTheCarrierPipe, ThermalResistanceofTheJacketPipe all have a value of 0 when this is not the case...
This is what happens when use clicks ok:
Public Sub btnOk_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnOk.Click
' 1. Check if Metric or Imperial Units are selected.
' 2. Convert Entered Variables to opposite unit.
' 3. Determine what type of pipe is selected.
' 4. Determine what type of casing is selected.
[Code] .....
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Jun 4, 2011
I have a combobox named Requirements and The values of it come from sql
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Apr 4, 2009
I have a combo box that's populated with 4 or 5 items, when you select the item, it shows in the combobox and is highlighted. How do I get it to show without being highlighted?
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
CBgrocerys.Text = "Select an item...."
Dim item() As String = {"apples", "oranges>", _
"pears", "plums"}
[code]....
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Nov 21, 2008
I use a webbrowser in my application named Webbrowser1.In one part of my project i need to know what is the value of a selected item of the combobox in the wbbrowser.For example i have a HTML Like this
[Code]...
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Jan 29, 2012
ok well i have to make a unit converter that when say kilometers is chosen it converts it to miles. However when i chose kilometers it seems my if statment isnt made properly so the program does not do what i want it to do.to make the if statment say that when i chose kilometer from the combobox make txtTo.text = "A". here is my code: i hope i make sense....
<Global.Microsoft.VisualBasic.CompilerServices.DesignerGenerated()> _
Partial Class Lab3
Inherits System.Windows.Forms.Form
[code].....
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Jul 1, 2010
I am writing a program that is connection to an oracle database using the tableadapter method. I am populating a drop down list with a distinct set of values. I am then wanting to display the item that user selects in a text box. However, instead of the desired result being displayed the text box is returning system.data.datarowview.
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Feb 28, 2011
In Silverlight 4, I have a combobox which is binded with a list of State objects( which has StateId, StateCode,StateName properties) and i am showing StateName as the options of combobox. Now i want to select the option "Michigan" which is stored in a string variable called "strSelectedState". How do i do this ? I tried setting SelectedValuePath property as strSelectedState. But doesn't work.
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Jul 15, 2009
i'm trying to make simple process killer... but i do not know how to make a selected item apper in textbox1
something like??
combobox1.item selected = textbox1.text
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Apr 14, 2009
I have a combox box on my login form which contains 1 and 2, I use it as so called accesslevel. Now, my problem is that only the selected item will get read. If I type 1 or 2, it won't get read. How do I make it possible for both selected and written ones to be read?
[Code]...
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Dec 6, 2011
could not get selected item text in combobox selectedindex changed event return value is "System.Data.DataRowView"..[code]want to get the value from the combobox but i always getting ""System.Data.DataRowView".
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Jun 25, 2011
i have 2 datagridcomboboxcolumn (datagridcomboboxcolumn1 and datagridcomboboxcolumn2).
With datagridcomboboxcolumn1
.DataSource = ds.Tables(0)
.ValueMember = "column1"
.DisplayMember = "column2"
[Code]....
how i can set selected item in datagridcomboboxcolumn2 become to "a" when selected item in datagridcomboboxcolumn1 is "1"or otherwise set selected item in datagridcomboboxcolumn1 become to "1" when selected item in datagridcomboboxcolumn2 is "a"??
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Jun 6, 2011
I have a form with a ComboBox, two labels named "Price" and 'Dealer Cost" respectively a NumericUpDown control and two buttons named "calculate Commission" and "Enter Another product" respectively.I want to be able to retrieve the corresponding Price and Dealer Cost from the local database and display them next to the labels when a product is selected from the ComboBox.[code]...
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Dec 26, 2011
I am very new to programming, I have developed my first application - an xps viewer. What I want to achieve is to be able to allow the user to select which document to open from a range of options that I have predefined in a combo box. I've searched all over the net and can't find an article that shows me how to do this. MSDN is bit too cryptic for me at this moment, so I get confused. PS> I think I'm using the FixedDocumentViewer (hope I wrote it right).
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Aug 16, 2011
I have a combobox which is populated from a datatable.
I hae a list of values also and when one is selected i would like it to highlight the correct value in the combo box and have been trying to no avail.
my code is
Dim searchrow() As DataRow
Dim searchrow2() As DataRow
Dim cellvalue As String = dgvStockComps.Rows(e.RowIndex).Cells(1).Value
[Code]....
eveytime i sellect a value in my list nothing happejns to my combo box (i.e. it goes blank and it doesnt show the sleected item like i would like!)
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Nov 12, 2010
I am trying to get a value for a textbox from a database according to the selected item in combobox. but i had this ex.message " there is no row at position (0) "i have filled the combobox droplist from the same database table as below!
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Dim connstrg As String = "Provider=Microsoft.Jet.OLEDB.4.0;" & "Data Source=C:Documents and SettingshedrisMy DocumentsREGISTER.mdb;"
Dim conn As New OleDbConnection(connstrg)
[code]....
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Feb 6, 2010
I have a combo box setup with 4 items, with indexes ranging from 0 to 3.
Later in my code, I need to do a certain event depending on what is selected. To do this I thought about comparing what the index of the selected combo box item is, because integer comparison is faster than strings, right?
how I can grab the index of the selected value?
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Mar 14, 2011
I have a combo box on form1 which is linked to a table from my data base. I am trying to get the item selected from the combo box to be a label in form 2.
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