I have 2 combobox with different items. Now i need to insert all items from combobox1 to combobox2.
For example:
+ combobox1 has 3 items: item_a, item_b, item_c
+ combobox2 has 2 items: item_1, item_2
Now, i press the button, and the result is:
+ combobox2 has 5 items: item_1, item_2, item_a, item_b, item_c
I am using VB.NET together with ADO.NET to create a program. I have set my TableAdapters as needed and bound the correct tables-columns to my comboboxes.My problem though is this:My combobox2 item is bound to a datatable. The table adapter's Fill method (the select command basicaly) includes a public variable in the where clause to fetch the correct results. I ll put some code here to clarify it a bit more.Public Class Frm_inv
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I want to get all items from one column of database table to the combobox items.
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I'm making a combobox on a form. I want the combobox to have a list of choices from a table in a db. The two columns are a String and a Date. I want the date column to only show the year. I'm hoping I have the code right as it is above, but I'm not positive I've done the whole date thing right.
I have a form in my vb.net application used to take the data about the returned stock. The form contains two comboboxes. One, named combobox5, contains invoice numbers and the other, named combobox3, contains party codes. Both the comboboxes are pre_loaded using sqldataadapter.
Now what i want is to change the party code in combobox3 when the invoice number is changed in combobox5. Elaborating it further, When Stock is issued the party code is stored along with the invoice number to keep track of to which party was the stock issued. Now when stock is returned i want to keep track that which party has returned the stock and i want that the party code should be automatically selected when the invoice number is changed and it should be what is stored in the database against that particular invoice number....
I'm using the following code for doing so:
Private Sub ComboBox5_SelectedIndexChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles ComboBox5.SelectedIndexChanged
' defines a new connection to the database
Dim con As New SqlConnection("Data Source=TAHA;Initial Catalog=ADT;Integrated Security=True")
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i'm creating a simple search application which have a TEXT box and some combo boxes and radio buttons and a search button.radio button names "Videos", "Audios", "Pics" etc..when radiobutton of video is selected, a combobox is appear having options "DailyMotion", "Metacafe" etc I want that when i click "Metecafe" item in combobox of video, an other combo box appear having items Like "Entertainment", "How To", "+18" etc(categories of video search).
if combobox1.SelectedItem = "PAKISTAN" Then
combobox2.Visible = True
End if
if combobox1.SelectedItem = "INDIA" Then
[code]....
I have created an ArrayList with items in my Order.aspx.vb. I pass these on to my bllOrder, which passes it on to my dalOrder.
Order.aspx.vb
Dim item As RepeaterItem
For Each item In rptProductList.Items
[code]....
I tried this code to insert all the items from ListView to DBaccess but it showed mistake in the line of SQL (red line). The message of mistake: operator '&' is not defined for types 'string' and 'system.Windows.Forms.ListViewItem.ListViewSubItem
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So the on this application a user will click a workgoup then a location then when they add the workshop it will and the prices to gether and put them in the lstCost, while doing that it also puts the price in the lblTotalCost.Text. Now the problem I am having is when a user adds more then on workgroup and location the lbltotalCost is geting what ever the last line in the lstCost is and multiplying the last line by the index number that it is so if the last line is line 2 then it will * 2 for line 3 then *3 of what ever the price is. Heres what I have so far...
Option Strict On
Public Class Form1
Dim intSubTotal As Integer
Dim intCount As Integer
Const intHANDLING_STRESS_DAYS As Integer = 3
[Code] .....
I am having some trouble splitting a string within an array into 2 values. For example in my textbox I have several lines of measurements that are Length x Width: 20x14, 10x8, 16x13. Each measurement is on its own line. I'm trying to split all Width values that are greater than 12 into 2 separate measurements, so with that last example, I would have 5 measurements (LxW): 20x12, 20x2, 10x8, 16x12, 16x1, then I would like to add these measurements to a new textbox with each measurement on its own line.
Here is the code I have so far. Again, I am very new to programming and this is the first serious project for me since "Hello World", so what I have might be way off. Thanks in advance.
Dim room As String = RoomsTextBox.Text
If room.EndsWith(vbCrLf) Then room = room.Substring(0, room.Length - vbCrLf.Length)
Dim roomarray() As String = room.Split(vbCrLf)
[code]....
i would like to ask some help regarding combobox and textbox. so here's the problem, i've been trying to figure out how to assign a value into the textbox using the combobox and here's what it looks like [code]what i want to happen is that when i choose "Nursery" "1000" would automatically appear in the textbox.
View 2 Replieshow can i insert combobox value in ms access using vb.net?? i insert textbox data successfully using below code
Dim sql As String = "insert into accounts(User_name, User_password) values ('" & TextBox1.Text & "','" & TextBox2.Text & "')" how can i handle comobox value?? i wanna insert combobox value into Ms access.
I bound my combobox in a datasource.How can I insert a value at the top of my combobox?[code]...
View 7 RepliesI have a combobox in an app that auto-populate. Some of the items have the same name and so there is the problem: when an item is selected and there is another one w/ the same name , when the combobox is clicked again, the fisrt item with that name is selected, not the one that was clicked.
for example:
there is a combobox with the following items:
aaa
bbb
ccc
ddd
ccc
I open the combobox. I click the last ccc. I open the combobox again and the first ccc is selected, not the last.
or t As Integer = 1 To combortpnumber.Text rtpkoen(t) = New ComboBox How do i get items into the combobox?
View 21 RepliesI am using visual basic 2008 and i have a listview which have 3 column like ProductCode,ProductName and ProductPrice and also a datagridview columns like ProductCode, ProductName and Product Price and a button control named Add Product. Now i want to insert Listview items value in Datagridview with the same sequence how does it. how to insert items from listview to Datagridview in the same order.
View 1 RepliesI have a listview which contains information. This information is retrived from database, 'till now ok. The problem is: I must update the existing items on listview and insert the new ones.
View 4 RepliesI am using this code to insert a enw row into a txt file, it works fine but when i view it in notepad the items i entered have "" around them example instead of Apple it is "Apple" ? I am later putting these items in a List and trying to edit them which isnt working properly so i am thinking its because of the quotes can anyone tell me why i have the quote
HTML
Dim da As New OleDbDataAdapter("Select * From " & Me.OpenFileDialog1.SafeFileName & "", con)
Dim cb As New OleDb.OleDbCommandBuilder(da)
Dim dsNewRow As DataRow = ds.Tables("dataset").NewRow()
If Me.subjectaddtxt.Text <> "" Then
dsNewRow.Item("AddressDisplay") = Me.subjectaddtxt.Text
End If
I'm just a beginner at VB.NET...I want to be able to insert a combobox control onto my form through code but I'm not sure how. Google doesn't seem to answer.
Something along the lines of (I have no idea)
Me.AddControl("Combobox")
I would obviously then need to set the properties to setup the position/size etc.
i have a combobox and few textboxes in Form1.i inserted new item into combobox by entering new item in one of the textbox.i manage to add item into combobox in Form 1. But how can i achieve if the item i added in Form1 to be inserted automatically into Form2 combobox as well after the operation in Form1. How can i achieve that?
View 5 Repliesi using VB.Net to developing my application.in forms i have comobox, in combobox datas are filled by using datasource from process layer.i want '--Select--' is first items in all combobox. but i tried my ways, i cann't bring it.
View 2 RepliesHow to add item in combobox when combobox has a set datasource property?
those combobox is datasource enable.. when it display data from the database but when i add new item i want to those data from datasource is clear and add new items for selection and those are in bold line but it start process to add those item it gives me error "Items collection cannot be modified when the DataSource property is set."
how could i add item to a combobox with an enable datasource property[code]...
I have created a comboBox1 on an excel sheet with the following statement
Set MyCombo = Shapes.AddFormControl(xlDropDown, Cells(10, 1).Left, Cells(10, 1).Top, 50, Cells(10, 1).RowHeight)
1.Now how to add items to the comboBox1.
2. How to create a comboBox 2 adjacent to comboBox1 when an item is clicked in comboBox1.
In VB.Net for an ASP project I was able to do the following:
Dim Item As ListItem While DataReader.Read Item = New ListItem Item.Text = DataReader.Item("CustomerName").ToString Item.Value = DataReader.Item("CustomerNumber").ToString Me.lstCustomers.Items.Add(Item) End While
However in a VB.Net Windows Project it won't let me duplicate this.
I need to display the CustomerName but return the CustomerNumber of the selected customer
I am also adding the items in code because they are changing based on changing values.
I Need A Code To Add A List Of Items To A Combobox. Every Item Is Listed In One Textbox,
View 7 RepliesI'm in the process of converting an Access 2007 database to vb.net (in visual studio 2010). I want the user to be able to maintain the items in these comboboxes....adding, updating, and deleting any item they choose. In Access, I had a button which would display the combobox items and allow the user to maintain. Upon leaving this display, the combobox would be refreshed. Is this the best practice for vb.net? Would it be any different than what I'm doing now in Access?
View 5 RepliesSo, I've been reading around on the internet and through MSDN trying to find a way to add thousands of items to a combobox without taking 12 seconds.I KNOW, I'm going to incite reflex-responses involving: bad design; use categories and filter; use BeginUpdate ...Here's the thing.I've read through a lot of similiar forum questions as the one I'm asking and none really seemed to answer the question, but these responses are common.The problem is, there is no way to further categorize.I have thousands of customers and each customer can have anywhere from 1 to tens of thousands of designs.The designs have to IDs: DesignID and DesignTitle. The data entry people sometimes have the one and sometimes have the other. If they have the DesignID than all they've got is a number ranging from 1 to (at this time) 60,000. One Customer has 11000 designs. I don't know of any way to further categorize.The reason I use a combobox is for autocomplete. Also, with most customers there are only 10-20 designs, but for some there are thousands.I have to have one practical solution that handles all possibilities.
As far as BeginUpdate or SuspendLayout is concerned, neither have any effect.The sad thing is, the DataSource takes less than a second to load from my DataBase.It's just the setting of the datasource for the combobox that takes so long.It seems to iterate through the entire list once for the bindingsource and then again when I set the DisplayMember.I can set the display member before I set the binding source but that doesn't make any difference in terms of performance.Performance is improved by almost half when I don't use a BindingSource and just set the Combo's DataSource to the List directly, but, sadly, I need to use the bindingSource because there are multiple Combos using the same list.I know WPF uses virtualization for it's combos,.On the internet I found a Technical document on how to implement a Virtual Combobox in C#, but the code was incomplete and I don't really have the time to spend several days creating and debugging something like that.
I'm trying to compare a item i have to enter in a combo box with an item already in the box (duplicating items). I've use the contains function but i need something that is case sensitive. Here is what i have so far
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Is there any option to disable particular items in a combobox?? If No then how can i do that??
I have 4 items in Combobox. For each items( based on combobox selected index change) lots of other calculation is there. i need to display all items but in some cases second item should be disabled.
Is it possible to disable some items in a combobox?Depending on the current mode that my application is in, certain items need to be enabled or disabled.I know that I could remove the items and rebuild the combobox but in this case I think that by showing the items greyed out it gives the user feedback as to what mode they are in and what options would be available to them if they decided to switch modes.
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