Adding Code To A Combobox Field?
Dec 13, 2010
I am creating an application install program, but one of the main things i cannot get working is the combobox, this is a drop down list of all my applications that i have put in there. I was wondering if there was a way you could tell the combobox to look at a directory or share and list the names of files within it? So, for example i could place 5 programs inside a share or directory then when i run the program and the click the drop down combo the 5 programs are listed and then i can click and install this program. Also then if i add/remove any programs it also removes it from the combo list.
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Sep 9, 2011
Why won't this build and populate my datagridviewcombobox?
Me.POLLINGV2_SCHEDULEDataGridView.DataSource = Me.DataSet1
With POLLINGV2_SCHEDULEDataGridView
Dim dgvc As New DataGridViewComboBoxColumn
[code]....
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May 1, 2012
I'm using ms access 03 to fill a datagridview no problem. I have 4 fields(id, first, last, points), but I just want to fill one in a combobox I have. Here is what I'm using to fill the datagridview:
Dim con As New OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:Documents and SettingsPC #6My Documentsstudent.mdb")
Dim sql As String = "Select first,last,points from student"
Dim oledbAdapter As OleDbDataAdapter
Dim ds As New DataSet
[Code] .....
How could I get a combobox to just display just one field, like idk if I'm explaining myself correctly, like a SQL statement look like this:
Dim sql As String = "Select first from student" but just for my combobox.
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Oct 20, 2010
On the form, the user have to pick 4 different fields from combobox and then it will show into DataGridView.[code]
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Jul 30, 2009
I have a simple poker game that deals out 9 cards into pictureboxes and shows another 3 pictureboxes that hold cards for the dealer. The code itself does what I want it to...even though I'm at a dead end with writing the code further to evaluate the poker hands. I would simply like to add a few labels and a combobox to my form, but everytime I add something, or try to add it I get cast error?
Public Class Form1
Dim ListOfCards As New List(Of String)
Dim dealtCards As New List(Of String)
[code].....
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Jun 15, 2011
Possible Duplicate: Retrieve identity value from inserted record's primary key.I have a field with a unique field (that I don't have to update automatically) called ID. I'm using this code to add a field to it:
DB.Snippets.AddSnippetsRow(10, 0, Leaves, Coins, Date.Now, Language, Username, Description)
What I need to be able to do is get the unique field it adds. It +1's to ID every time I add a field there, but how do I get that without hacky database looping?
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Oct 16, 2009
I have a field in my db that stores the path to a picture that will be printed on the report C:Picturespic1.jpg). When I add the field to a input form, I want to allow the user to hit a browse button to select the path and picture name and then store that selection in the field. How do I set up the field on the form so they can do this? I am using VS2008.
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Apr 20, 2010
I have a Repeater... And it has a Weight field. the weight it displayed in a textbox. I have this piece of code:
lblTotalWeightCalc.Text += NewDV.Item(i)("Weight")
This will get the Weight and display it in my label. But when I select more than one item (which will have two weights) it will show: For Example:
Item #1 : Weight = 20
Item #2: Weight= 50
The total Weight= 2050 (it doesn't add them together) I need them to be added together....
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Dec 29, 2011
How may i retrieve the total number of records from a table via a SQL select, store it in a variable & in turn, add '1' to it @ a textbox to simulate the addition of a new record?[code]...
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Feb 7, 2009
I know that when I add a record to a table through a binding source using a binding navigator - it completely handles the IDENTITY PK (it's bound to a textbox and you can see it immediately).
Now I'm trying to do this differently in another part of the program - here I only have a BINDING SOURCE - that's bound to a DATAGRIDVIEW.
I put a new record into the DGV like this
Private Sub vendorfilesDGV_DragDrop(ByVal sender As Object, ByVal e As System.Windows.Forms.DragEventArgs) Handles vendorfilesDGV.DragDrop
If e.Data.GetDataPresent(DataFormats.FileDrop) Then
[Code]....
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May 24, 2012
I have a combobox which reads a directory and displays the file names in the combobox. What I'm trying to do is when a value is selected in the combobox I wish to display this in a label.
I have tried the following
Label1.Text = Combobox1.SelectedValue
But it doesn't seem to work.
My coding to display value in the combobox
With Combobox1
.DisplayMember = "Name"
.ValueMember = "FullName"
[Code]....
I have the first snippet of coding in the Combobox1_SelectedIndexChanged event.
The "FullName" works with textbox1 when i select a value in the combobox but I want to display the "Name" in label1.text
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Apr 24, 2010
I am developing a new project for my daily office use using access database with vb 2005.
In this project I have one bounded datagridview and it is ready to use.
I want to alter a particular field value in the datagridview regularly. so whenever I click the rowheader that particular field should be editable with a combobox with some value, after selection of the value and leaving that particular cell it should be updated with the appropriate record in the database.
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Dec 15, 2011
I can use this code to set the DisplayMember, but the ValueMemeber is always the name of the field and not the field values. I can even reverse and put the ID in the DisplayMember and it works. Not sure what I'm missing here.
strSQL =
"SELECT LGGrpMainID, LGGrpMainName FROM LGGroupMain "
Public
[Code].....
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May 24, 2012
I have a combobox which reads a directory and displays the file names in the combobox. What I'm trying to do is when a value is selected in the combobox I wish to display this in a label.
I have tried the following
Label1.Text = Combobox1.SelectedValue
But it doesn't seem to work.
My coding to display value in the combobox
With Combobox1
.DisplayMember = "Name"
.ValueMember = "FullName"
[Code]....
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Jan 31, 2011
i want to input into my combobox the field names from a dbase file. this is the code i have so far:
Dim table As DataTable
Dim restrictions() As String = {Nothing, Nothing, Nothing, "COLUMN"}
Using connection As New OleDb.OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data
[code]....
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May 6, 2011
I have 5 combobox and they are required. I would like the user to put input or select the combobox. If no input, msgbox comes up then he has to insert input or click on a custom cancel button i have made.
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Jan 30, 2011
I have a combobox that displays saved names from the fullname column of my database. This works fine, all the items under the fullname column are added to the combobox. However, I also have several textboxes on the same form that also need to display data from the database, from the same record. So I was wondering if this was possible:
[Code]...
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Mar 25, 2011
How to add values from field ( Access 2007 ) to a combobox in visual basic 2008?
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Oct 28, 2009
I have a combo box on my application (working with VB.net) called CmbAttendantstatus. I have sent the dropdownstyle = dropdownlist at the Properties level of the combobox.
There are 200 field types e.g;
Current Attendant
Ever Attendant
Never Attendant etc
The issue is I can only select one from the list, fine, but I want to be able to type the first letter on the combobox and it takes me to the nearest field type rather than looking through the entire drop list. For example I want Never Attendant, I just need to type N and the drop list takes me to anything starting from N and if I add E for example any field starting with NE shows up for selection. Presently, when the dropdownlist is selected you are not allowed to type anything...
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Oct 12, 2011
I have an editable ComboBox with a validation on the Text property to make sure manually entered info is valid.EDIT: All I want to do is populate the .Text property with the ValueMember of a selection rather than the DisplayMember I also have the .Items populated with valid entries having the DisplayMember and ValueMember set.My DisplayMember is a caption along with the data, and the ValueMember is the data itself.So Items might be:
(DisplayMember, ValueMember)
"Foo - 1ab2" , "1ab2"
"Bar - 3cd4" , "3cd4"
I had a validation on the text which can also validate manual user input like "5ef6" The problem I'm having is that if the user selects an item from the combobox it populates the text field with the DisplayMember property (ex: "Foo - 1ab2") which will fail validation.I have tried to manually set the .Text property with the SelectedValue or the SelectedItem.Value on each of the three relevant combobox events to no avail.I would like that the .Text of the ComboBox get populated with the .ValueMember of the item when selected rather than the .DisplayMember
EDIT: I cannot validate by trying to extrapolate the value from the caption. I send the Text off to a service to be validated.
void FillMyCombo
{
KeyValuePair<string, string> listValue1 = new KeyValuePair<string, string>("Foo - 1ab2" , "1ab2")
KeyValuePair<string, string> listValue2 = new KeyValuePair<string, string>("Bar - 3cd4" , "3cd4")
[code].....
The user can manually enter something like "5ef6" which will pass validation.But when they select an item from the list, rather than manually entering it, the .Text property gets filled with the caption and not the value ... so it will contain "Foo - 1ab2" and that will fail validation. I cannot change the validation method to "infer" the value from the caption. I have no control over that service. All I'm after is the displayed value EDIT: Say a user selects "Foo - 1ab2" from the dropdown list, I want the text in the box to say "1ab2" EDIT: I have also tried to set the .Text property in code but I can't seem to make it work in any of the ComboBox events. how to programmaticly set the .Text property (and make it commit!) on a selection event they will also answer this question.
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Nov 17, 2009
I have datagridview connected with sql datebase and i want to add combobox to datagridvew (example:Time1 column)
Option Explicit On
Imports System.Data
Imports System.Data.SqlClient
[Code]....
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Jun 2, 2011
I've this very stupid litle problem. I want to populate a combobox with numbers ranging from 00 to 99. But when I ad them with a loop as an integer the first ten numbers apear only with one digit.I wonder, how can I ad a second digit to them like; 00, 01, 02... and so on without me typing the whole list?
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Jun 9, 2009
I'm trying to implement a combobox that will drop down and give a list of things that the user can select via checkbox so that they can have all, none, or some of the items selected/implemented in the program. Through some research, I've come up empty handed. I found a few tutorials that dealt with tons of class files, which I'm not really familiar with, didn't understand much, and then didn't work. Who would've thunk it right?Anyway, i tried just adding the checkedListBox as a control to the comboBox and it would disappear from the form as if it had been added, but wouldn't show up from the comboBox drop down menu..can anyone tell me how I can go about doing that?
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Aug 15, 2011
i have created a form that has a combobox.the combobox displays the products.how can i add a selected product into a listview?
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Nov 27, 2007
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.
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Jul 21, 2011
I need to pull the name of some forms in my project and add them to a combobox. How would this be achieved?
Here is a image of the directory layout.
[URL]
I need window1.xaml through window6.xaml to appear in the combobox on my admin form.
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Jun 16, 2011
I Need A Code To Add A List Of Items To A Combobox. Every Item Is Listed In One Textbox,
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Oct 16, 2011
I have an Access database with a Parts table. I'm using tableadapters in my project. A datagridview on my form is filled manually in code. One column of the DGV contains a columntype of combobox. I've got a bindingsource on my form whose source is the Parts tableadapter. The combobox column is tied to the bindingsource and is displaying fldDescription.
The part descriptions can be changed by the users, but the original part description is saved in another table that is used to fill the grid. If part "widget" gets changed to "widget, large" I can no longer display "widget" in the combobox of the grid. I need to know how to be able to add it to the bindingsource so I can display it in the combobox. I don't want it saved to the Parts table though.
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Jun 21, 2010
actually i have 3 fields in database which are Sid Fee status what i want to add combo column in field [status] with two option PAID or UNPAID which a user can select and update it .i am all clear with filling the datagridview from database and updating but only problem is adding a combobox in third field that is status.
i tried it with this
Dim combo As DataGridViewComboBoxColumn
DataGridView1.Columns("combo")
[code]....
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May 11, 2009
i am having 11 comboboxes and 11 tabpages in 1 tabcontrol each tab page having one combobox.i kept the name of combobox like combobox1,combobox2,combobox3.....and so on also there are other comboboxes in tabpages but they are of different name i had also kept the tag property of combobox from 0 to11 for each one now what i want to do is add the same item in all comboboxes for that i wrote code like:-
dim combos() as string=new string("A","B","C"....)
dim tp as tabpage
dim cnt as combobox
for each tp in me.tabcontrol1
[code]....
but this displays an error syntax like:"expression is of type System.windows.form.tabcontrol,which is not a collection type." i just want to add same items in combobox of each tabpage ..
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