Unable To Make Combobox ListIndex?
Jan 20, 2010
I am trying to have the index value of a selected item in a combobox returned to a variableThen, 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'
Private Sub cbxAccounts_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs)
[code]....
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Jun 20, 2012
is there any listindex property is available like vb6 in vs.net ? .because i want in the combo box .when it loads at least very first item needs to be selected .so let me know any way to do it
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Feb 15, 2011
I am trying to get the following VB6 listindex to work within my vb.net code:
[Code]...
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Feb 15, 2011
I am trying to get the following VB6 listindex to work within my vb.net
setTheR CStr(payReq.ItemData(payReq.ListIndex))
But if i copy and paste that into VB.net it wont accept it.
This is what VB.net did with the converting of the VB6 to .net
strContract = payReq.Items.Item(payReq.FocusedItem.Index).Text
However, checking that value it returns the name instead of the index. While the VB6 code returns the value of 2311 (which is what it needs to return)
When i add items to the listview i do this:
Item = payReq.Items.Add(rsPayRequests.Fields("userid").Value)
Item.SubItems.Insert(1, New System.Windows.Forms.ListViewItem.ListViewSubItem(Nothing,
[Code]...
But that does not work with my listview in .net since that above is a listbox and not a listview. Is there an equivalent in .net for the listbox to have a custom index?
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Nov 13, 2009
I have a multicolumn Listview populated by a DataView.
I am trying to work out how to send information to other controls depending on the record selected in the ListView. So far I have this:
txtStaffSurname.Text = LvwStaffMembers.SelectedItems.Item(2).Index
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Feb 15, 2011
I am trying to get the following VB6 listindex to work within my vb.net code:
setTheR CStr(payReq.ItemData(payReq.ListIndex))
But if i copy and paste that into VB.net it wont accept it.
This is what VB.net did with the converting of the VB6 to .net code:
strContract = payReq.Items.Item(payReq.FocusedItem.Index).Text
However, checking that value it returns the name instead of the index. While the VB6 code returns the value of 2311 (which is what it needs to return)
[Code]...
But that does not work with my listview in .net since that above is a listbox and not a listview. Is there an equivalent in .net for the listbox to have a custom index?
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Oct 27, 2010
Here is my code.
for example TextBox1.Text= 12,34,45,67,67
Dim process_string As String() = TextBox1.Text.Split(New Char() {","})
Dim process As Integer
[Code]....
i want to add values in reversed order in combobox2 that are available in combobox1
but when i run the application the second combobox remains empty and not showing any value.
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Aug 7, 2009
I cannot get the DropDownHeight of the ComboBox set properly to display all the items.I am using a control that inherits from the ComboBox. I have overridden the OnDrawItem and OnMeasureItem methods in order to create multiple columns and text-wrapping within a column if it is required. This all works fine.
The problem occurs when I try to set the DropDownHeight. I set the DropDownHeight at an arbitrarily large value, a good bit larger than the list of items. The ComboBox control appears to automatically truncate any value for DropDownHeight that is larger than the size of all the displayed items in the list. (Assuming that you have the MaxDropDownItems property set higher than the number of items, which I do.) Normally this behavior works perfectly, as shown below:
No, that's not my real data in the drop-down box. The problem occurs when I have an entry in the drop-down that needs to wrap in order to display the full text. This entry displays fine, but however the ComboBox is calculating the DropDownHeight, it ignores the fact that one of the entries is twice as tall as normal, so you have to scroll down one line to get to the last entry in the drop-down.
This is the code that I am using to determine if an item needs text wrapping and to set the height of each item: Protected Overrides Sub OnMeasureItem(ByVal e As System.Windows.Forms.MeasureItemEventArgs)
[Code]...
I cannot determine how to force the DropDownHeight property to be exactly the value that I want, or how to let the ComboBox control know that one (or more) of the items in the list are taller than normal.
I've tried to Override Shadow the DropDownHeight property, but this seemed to have no impact.
EDIT: Would switching to WPF make this problem go away? (Is there enough customizability in the standard WPF controls so that I don't need to write a custom control for a 3-column, variable-height combobox?)
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Apr 3, 2012
I am unable to get the toolstrip menu item to delete or remove a yacht type, been working on this for a few hours now and still have had no luck.
Private Sub RemoveAYachtTypeToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles RemoveAYachtTypeToolStripMenuItem.Click
'Remove yacht type to the yacht list:
With YachtTypeComboBox
'Test for blank input:
[Code] .....
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May 3, 2011
I am making a custom ComboBox, inherited from Winforms' standard ComboBox. For my custom ComboBox, I set DrawMode to OwnerDrawFixed and DropDownStyle to DropDownList. Then I write my own OnDrawItem method. But I ended up like this:
How do I make my Custom ComboBox to look like the Standard one?
Update 1: ButtonRenderer After searching all around, I found the ButtonRenderer class. It provides a DrawButton static/shared method which -- as the name implies -- draws the proper 3D button. I'm experimenting with it now.
Update 2: What overwrites my control?I tried using the Graphics properties of various objects I can think of, but I always fail. Finally, I tried the Graphics of the form, and apparently something is overwriting my button.
Here's the code:
Protected Overrides Sub OnDrawItem(ByVal e As System.Windows.Forms.DrawItemEventArgs)
Dim TextToDraw As String = _DefaultText
__Brush_Window.Color = Color.FromKnownColor(KnownColor.Window)
[code]....
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Jun 19, 2009
I have a combobox..... When a user clicks on the list inside the combobox my webbrowser opens to the selected items website.how to make the combobox go back to the original text of the combobox?
Example: Combobox list
---- Select Item ----
Royals
Mets
[code]....
When the user see's the screen the ---- Select Item ---- is visible. When a user clicks a teams name it opens the teams website and the name stays in the box. I want it to go back to ---- Select Item ---- immediately after they click a list item.
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May 13, 2009
I have completed my project and i have one remaining thing to settle... I want to make the combobox not to be able to write yourself. for example there are 4 options ,"A","b", "c","d".If i type w in the combo all the project is ruined!i want not to be able to type at all to prevent this...Which property should i change?
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Jan 27, 2012
Here is the code for the loading the combobox. I want to load the combobox with the Name of client. so that user can select the Name and then the details which are associated with that ClientName are to be displayed in the desired textboxes.
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Jan 21, 2010
i make this code to achive what i need[code]but in datagridview what i make when i want to convert to use in dgv
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Aug 26, 2009
I am newbee to VB Express and having many problems for displaying different reports from Tables in MsAccess to Listview in Vb Express.
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Aug 17, 2009
I use VB 2008 express edition. I want to be able to make an installer for my project. If I run the executable file from the development computer, it works fine. When I try to install the program in other computer, it tries to download .net framework. Is there anyway to prevent this to happen? I have the .net framework installer in a CD.
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Aug 29, 2011
I wanted to make a calculator. Its fully made and everything but I recently wanted to add more to it. Only thing I can't figure out to do is to make keyboard functions. Like, if I want to type in the numbers instead of clicking the buttons on the calculator to input it into the calc. [code]....
It works to a certain point but i found out that the timer input multiple integers when pressing a key so I thought of about turning off the timer and then having the timer turn back on somehow but that is as close as i can get.
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Apr 5, 2010
I'm having trouble understanding how this works.Under my Project properties I select Settings and define the ones I need.Things like:
DefaultSaveToLocation (As String)
DefaultFileName (As String)
NoOfTimesAppStarted (As Integer)
[code]...
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Sep 25, 2010
I am frustrated that I cannot solve this seemingly easy problem:
Here's the code:
If Date.Now.Day = vbSaturday Then
Label6.Visible = False
[code]....
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Dec 15, 2009
im trying to make an attendance monitoring system using vb.net 2005. i have a little experienced programming, i used vb6. But vb.net is much more different in vb6 because of its codes. my problem is that in dtpicker, it do not accept any value that came from a textbox.
my code is like this
dtpicker1.value = textbox1.text
but an error existed..then i coded like this hoping that it will work
dtpicker1.value.hour = textbox1.text
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Oct 13, 2011
I bet you all know DotNetFrameWork 4 needed for VB 2010 applications to work...
Any idea how i make my own framework?
I want to be able to make my own buttons drop down boxes...
And after i make it how to i put it into a dll so i can reload it in another app and use it...
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Feb 9, 2012
Public Class Form5 Private Sub Button1_Click_1(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
txtfinaltot.Text = Format((pizza + extratotal), "currency")
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Oct 27, 2009
Im creating (trying) a login system for my application , but im having problems with the directory. The following code will create the folder but it wont create the username.txt & password.txt file within the folder , any ideas whats up ?
Textbox3 = Username
Textbox4 = Password
Private Sub Button4_Click(ByVal sender As System.Object, ByVal e As System.EventArgs)
[code].....
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Apr 23, 2009
I'm trying to make a combobox. The whole purpose of it is to keep shifting the most recent used (clicked) items upwards.Is there some special properties I need to look at.
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Jan 21, 2012
how I can make the ComboBox with 2 column..
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Aug 7, 2011
How to make a combobox autocomplete?
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Dec 2, 2010
What are the steps to create a Default Value for a ComboBox? say you have two items "Enabled" and Disabled" and you want one of them to be the default value that is selected.
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Jul 23, 2009
in my windows form i have 2 combobox. populating combobox2 according to selection of combo1. combo1 i am binding on formload.
Private Sub ComboBox1_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ComboBox1.SelectedIndexChanged
query = "select emp_name from emp_details where dept='" & ComboBox1.Text & "'"
[code]....
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Jun 24, 2010
i have a combobox with a datasource set to a table from a dataset. however i would wish to add more items into the combobox
Private
Class
ComboxItem
[code].....
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May 16, 2011
How, if it's possible, you can make a combobox have groups like the html example below:
<select>
<optgroup label="Swedish Cars">
<option value="volvo">Volvo</option>
<option value="saab">Saab</option>
</optgroup>
[Code] .....
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