Is it possible to BOTH set a comboboxes datasource AND databind the selected value?Ihave 2 comboboxes on a form that I want to populate with data from 1 table,ut I want the actual selected values on each of the comboboxes to come from separate columns n another datasource Right now if one combobox changes, so does the other if that makes sense.
Here's a sample of code:
'Bind DataSource
With cboYields
[code].....
Is there any way to get the ComboBox SelectedIndex based on SelectedValue when Datasource property is set with DisplayMember and ValueMember?
View 1 RepliesI have a GridView on an ASP.NET page that I'm trying to bind to an object data source that I've set up to map to a vb object I made which accesses the DB. When I run the page, though, the gridview comes up empty.
The ObjectDataSource is definitely returning data. The paging parameters are making it to the underlying object. All the way until I get to the DataBind() call everything seems fine. But the grid comes up empty. Funny thing is, if I use the method that returns all records in the DB, the grid populates just fine. Only when I try to implement custom paging does display no records. I've tried using the wizards, I've tried diagrammatically setting it up and run time. No matter what I do I can't get paged data to display in the grid.
oDatasource = New ObjectDataSource()
oDatasource.EnablePaging = True
oDatasource.TypeName = "tblMessage"
oDatasource.SelectMethod = "GetTblMessageSubset"
[code]....
I have an AccessDataSource TestSummaryADS. I can easily view the results in a GridView or DropDownList by setting its DataSourceID property.
How do I bind a value from the results TestSummaryADS to the text of a label?
I'm just trying to populate labels on my page with results from the DB entry.
C# or VB.NET answers okay.
I am trying to use datasource and bind in my application to set a dropdown list to the results of a query. The dropdownlist populates correctly (shows each different type_name in the set) but later when I use ddltype.selectedvalue - I am always getting the value from the first item in the dataset. Here is the code.
[Code]...
What is the meaning of 'selected value' in combobox properties?
I create a combobox with valuemember = ID (primary key, autonumber) and displaymember = name. How do I get it to select the row with ID of 10, for example?
[code]...
I'm using VB 2008. I'm looking for a way to take the value of the combobox after the user selects the right one. The combobox is databound and in List mode allowing selection of only the items in the box. I allow autocomplete by setting:
AutoCompleteMode = SuggestAppend
AutoCompleteSource=ListItems
So the user can key in the right value and the value narrows down each time. The user can press enter or just click somewhere else to select the value. I need a way to display the value of the combo after the selection is made but not each time a user presses an additional key to narrow down the selection.
I would like to assign cboBegCust.SelectedValue to c and cboEndCust.SelectedValue to d
Dim c, d As String
cboBegCust.SelectedValue = "customer"
cboEndCust.SelectedValue = "customer"
[Code]....
I bind a datatable to the combobox.DataSource on load. I then give the combobox aisplayMember and a ValueMember (2 different columns out of the datatable). In the SelectedIndexChanged of the combobox I would like to use the SelectedValue property of the combobox, just to test I MsgBox(combobox.SelectedValue) and I get "Argument 'Prompt' cannot be converted to type 'String'." Why isn't it displaying the value?
OnLoad
cbCISoftware.DataSource = dbMaps.Tables("maps")
cbCISoftware.ValueMember = "id"
[code].....
I have a question for a combobox in Visual Studio 2008 (VB)If illed a combobox from a table and the use the following statement: Me.cmbProduct.SelectedValue = 1 (or another number)The problem is now that in the form the value is selected but with a blue color. I have on my form several comboboxes but i don't want that blue color.
View 13 RepliesI have a datagridview combobox column with data bind into it. I would like to set it selectedvalue to a value by default. How can I do it? because it does not have any selectedvalue option.
View 2 RepliesI want to know how can i get selectedvalue of a DataGridViewComboBoxCell
View 2 RepliesI've got a ComboBox with an ItemsSource which I've bound to a List(Of String).What I'd like to do is have the XAML update a String property when the SelectedValue of the ComboBox changes. I've seen a whole bunch of examples for TextBoxes which use
Text="{Binding Path=MyString}"sort of stuff, but I don't really think that'll be the way to go if, in future, I need to change the ItemsSource to a List(Of ObscureObject)...
I have a ProbationComboBox with the SelectedValue bound to a RegistrationBindingSource, and the DisplayMember bound to a ProbationBindingSource. [code]
View 2 RepliesI am tring to bind a data to listbox with where combobox.selectedvalue. My code is below; I am using data entity in wpf project;
Class Window1
Dim db As New AdvanceEntities
Private Sub Window1_Loaded(ByVal sender As System.Object, ByVal e As System.Windows.RoutedEventArgs) Handles MyBase.Loaded[code].....
Also I need to create a query with Join In statement. I need to get two table in one query, they have same values in USERID collumn.
In order to fill a datagridview according to the selectedvalue of a combobox I've tried creating a stored procedure. However, as I'm not 100% sure what I'm doing, depending on the WHERE statement at the end of my stored procedure, it either returns everything within the table or nothing at all.This is what's in my class:
Public Function GetAankoopDetails(ByRef DisplayMember As String, ByRef ValueMember As String) As DataTable
DisplayMember = "AankoopDetailsID"
ValueMember = "AankoopDetailsID"[code]....
guess it's down to the WHERE part of the stored procedure, but I need a way to pass the selectedvalue of the combobox into the @AankoopID parameter.
After listing the data from data base to combo box, I would like bind the chosen data from combo box to textbox.
'bind from combo box to textbox
Dim ConString As String = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=D:\Car Rental Data\Mutiata Company Car Rental System1.mdb"
Try
'open connection
[Code] .....
I have try using this code to bind the data from combo box to textbox, but unsuccessful to display the data in textbox. Is there any code that I left behind?
I have a WinForms app built with VB.Net in VS 2010, and I'm scratching my head over the following issue.I have a form with a combobox which gets bound to a datasource when the form is loaded:
With Me.cboCompany
.DataBindings.Clear()
.DataSource = Me.m_dsBidResults.Tables("Company")
.ValueMember = "company_id"
[code].....
This seems to work fine, as long as the user doesn't switch focus to some other control and then go back to the combobox. After switching focus, if the user then changes the combobox selection to the first item in the dropdown list (SelectedIndex = 0), the SelectionChangeCommitted event fires, but the SelectedValue remains set to the previously selected value. I've verified this by adding a message box in the above event handler, displaying SelectedIndex and SelectedValue side-by-side.
'add this to SelectionChangeCommitted event handler MsgBox(String.Format("Selected Index: {0}, Selected Value: {1}", cboCompany.SelectedIndex, cboCompany.SelectedValue))
This does NOT happen if the user changes SelectedIndex to anything other than 0; everything behaves as expected. I've verified that the table I'm binding to contains unique values for company_id and company_name.Do I need to use some other event to verify that the SelectedValue has actually changed?
WInforms Combobox SelectionChangeCommitted event doesn't always change SelectedValue
View 1 Repliesi want to set the current displayed item in combobox by combobox.selectedvalue = valuehere is the code
Combobox.selectedvalue = value
rivate Function populateComboSupplier(ByVal supplierID As Integer) As Boolean
Dim readSupp As New SupplierCRUD
[code].....
i have a combobox in my form and i need to databind it from database i need to know is it posible to databind the combobox with image and text together like first show an image and than a text for each item.
View 1 RepliesDim cn As New OleDbConnection
Dim sql As String
Dim da As OleDbDataAdapter
[code].....
I list folders in my combobox but I'm trying to sort the folders alphabetically and then numerically or vice versa.
My coding to populate my combobox is
With Combobox1.DataSource =
(From folder In New IO.DirectoryInfo("Path").GetDirectories
Select (folder.Name)
).ToArray
End With
Is it possible to sort the combobox?
I have folders that are numbered like 1, 50, 115, 189 etc.
These should display as
1
50
115
189
however they display as
1
115
189
50
I have defined a datagrid which has combobox in one of the columns, is there anyway to modify the datasource of the combobox (the source of the list) at run time?
View 2 RepliesI am trying to get the valuemember of my combobox but it just won't work. I have tried a lot of things (won't post them all here) can somebody just show me how to do this?
Private Sub cmbGroup_SelectedIndexChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles cmbGroup.SelectedIndexChanged ' Get valuemember here End Sub
I have a ComboBox that is bound to a List(of T).Now I type-cast the ComboBox.DataSource into List(of T)and add some more elements in the List.The items collection of the ComboBox doesnt get reflected and the new element does not show up in the ComboBox. Am I missing something ?
View 3 RepliesPrivate Sub UsernameEdit_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Dim sqlconn As New SqlConnection
sqlconn.ConnectionString = "stuff"
[code]....
The combobox just populates with "System.Data.DataRowView" I know it is some command to read the correct data out of the table, is it setting up something like:
dim i as integer
for i = 0 to CompanyNames.length-1
companyadapter.fill(companynames.rows(i)]
next
just curious what happens when i set the datasource of a combobox or datagrid or what-not to a dt then when i want to change what's in the combobox etc., i just set the datasource to a new one. i am cleaning as i go but just want to know what happens to the old datasource:
[Code]...
I have a combobox which i am binding to a sortedDictionary list, so it displays in ascending order. My question is, I need to display "--Select--" as the first option. Is there any way to either:
1) add another item besides for the datasource
or
2) add an unsorted item to the top of the sortedDictionary
I'm trying to use reflection with LINQ on a sub that set datasource of all my ComboBox:
Usual Method:
' ACAmp Panel
cboACPanelAmp.ValueMember = "IDACAmp"
cboACPanelAmp.DisplayMember = "Description"
cboACPanelAmp.DataSource = m_Entities.ACAmps.OrderBy(Function(c As ACAmp) c.SortOrder).ToList
Want to use that sub
FillCbo(cboACPanelAmp, "ACAmp")
Private Sub FillCbo(ByVal cbo As Infragistics.Win.UltraWinEditors.UltraComboEditor, ByVal entityName As String)
cbo.ValueMember = "ID" & entityName
[code]....
I can't figure out the last part of the last line, the LINQ