WPF 4.0 DatagridComboBoxColumn Binding At Runtime?
Jul 14, 2011
I had a similar question for DatagridComboboxColumn but that shown me how to use the .itemsource to bind to an array outside of the datagrid. I am having a problem trying to bind to the collection that the datagrid is bound to at runtime.I have included a working test program for how I am approaching this.
Class MainWindow
Dim ServerInfoArray As List(Of ServerInfo) = New List(Of ServerInfo)
Private Sub GetInfo(ByVal list As List(Of String))
[code]....
I can get all Strings and Boolean to bind.I do not know how I can bind this DataGridComboBoxColumn to the list of attached on the property. I cannot use XAML as I need to do this at runtime.
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Dec 29, 2009
I am novice in WPF. I have a wpftoolkit datagrid where i am using a combo box as datagridcombox column. I am using a observable collection of Codes for binding the combo box. Below is the collection and its class...
#Region "Class & Coll"
Public Class CodesColl
Inherits ObservableCollection(Of Codes)
[Code]....
Unable to display the codes in dropdown. Somehow i manged to do so but it disappears after loosing focus from the combobox. Unable to retrive the description on its selection change as , i am unable to find the event too.
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Jun 28, 2010
I have a datagrid in my vb.net 4.0 wpf project. I have seen many examples in XAML on how to bind a DataGridComboBoxColumn however I need to do this in code as I have auto-generating columns. I switch the datagridbinding source to multiple data sets. Inside some of these custom classes are a couple lists. I can get text and checkboxes to auto-generate correctly. When it comes across my array (I have tried many different kinds) I just see a textboxcolumn with the words (Collection) in it.
For instance - One screen I am grabbing system information on WMI calls. One of the calls returns all IP addresses on the server (We can have up to 8 IP addresses) I do not want a column per IP address. I would like to include a list of those into the datagrid so you can drop down and see them.
Sample Code
Imports System.Collections.ObjectModel
Class MainWindow
Dim ServerInfoArray As ObservableCollection(Of ServerInfo) = New ObservableCollection(Of ServerInfo)
[code]....
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Jul 9, 2011
I have a datagrid in my vb.net 4.0 wpf project. I have seen many examples in XAML on how to bind a DataGridComboBoxColumn however I need to do this in code as I have auto-generating columns. I switch the datagridbinding source to multiple data sets.Inside some of these custom classes are a couple lists. I can get text and checkboxes to auto-generate correctly. When it comes across my array (I have tried many different kinds) I just see a textboxcolumn with the words (Collection) in it.For instance - One screen I am grabbing system information on WMI calls. One of the calls returns all IP addresses on the server (We can have up to 8 IP addresses) I do not want a column per IP address. I would like to include a list of those into the datagrid so you can drop down and see them.[code]
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Feb 5, 2009
i already add a datagridview combo. now what im asking is how can i make it the same as the DropDownStype which is DropDown and not just like a DropDownList?
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Mar 31, 2012
I have a Data grid with DatagridComboBoxColumn , and i want to Fire Event SelectionChanged when user Select any thing From the ComboBox , Do Some operations
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Feb 16, 2012
I'm trying to get a DataGridComboBoxColumn working with my ViewModel. Everything appears to work correctly but when I change the value of the combo box, the entity isn't changed. The datacontext of the window has these properties:
[Code]...
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Jan 3, 2010
I have a datagridview that is populated using an oledbconnection:
Private Sub FileSpecs_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Dim cn As OleDbConnection = New OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & My.Settings.DBLocation & ";")Dim cmd As OleDbCommand = New OleDbCommand("SELECT specFieldno AS [Field No],specFieldName AS [Field Name], specFieldType FROM fileSpecs WHERE ClientNo='" & ClientSetup.clientNo.Text & "' AND direction=" & ClientSetup.fileDir, cn)
[Code]...
The problem I now face is that the 'index' value of the combobox item for each row is in the field specFieldType which is populated into the datagrid.I need to be able to set the value of the ComboBox for each row when the form is opened, and also be able to save the index value of each row selection if any changes are made/saved.
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May 18, 2011
New to reports here. Using VB.NET, my application makes use of datatables it creates from a postgresql database.These datatables are defined at runtime rather than design-time, and I would like some way of generating reports from these datatables at runtime as well.
Should I be trying to create the report template at design-time, and then "binding" a datatable to it at runtime?
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Jul 17, 2009
I've been trying to use lookup tables to display names instead of ID's in a DataGridView using a DataGridComboBoxColumn and have even copied the example shown in the Forms over Data videos produced by Microsoft but still get the following error message:
[Code]...
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Oct 29, 2011
is there any way that i could link/bind multiple binding source to only one binding source navigator?
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Oct 18, 2010
binding navigators, datagrid view, binding source are all sql database parts.Will these parts still work if you havent got sql on you pc and your not using an database file (.log and .mfd) and your not coding to them, im using MS Jet/Oledb to code to Excel.What not to put on an Employee evaluation: This employee has hit rock bottom and shows signs of starting to dig.
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Jul 2, 2011
Binding Master Table to TextBox and DateTimePicker and Binding Details Tables to Datagridview then Add / Update / Delete in both
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May 29, 2010
I use objectbinding to display client data in a datagridview. The datagridview also contains a counry-column allowing the user to choose the country of the client.Unfortunately, databinding of comboboxcolumn does not seem to work if an own business class is used. Using a simple collection instead works well.Copy the sample code into a new windows project and the programm runs fine. Then comment and uncomment the two lines with "XXX" and the code will fail. Why and does anybody know how to make the sample code work by using the business object class(variable named "newClientListVariable" in the sample)? [code]
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Aug 19, 2009
I started programming in VBA, then graduated to VB6, and I am now using VB.NET 2008 Express.I have read, in the various posts, that I should keep Option Explicit and Option Strict both on, in order that I use correct VB.NET code and not VB6.I am trying to do that but am totally confused with the results of one of my programmes that was running perfectly with Option Strict off, but now advises:Option Strict On disallows late binding. To me it appears that I am using early binding, but to be honest I am not clear on the binding situation. I have checked through a number of google items, and a number of this Forum's items without seeing the light.[code]
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Dec 20, 2010
I have created multiple dropdown list at runtime and populated with data. I also have added an eventhandler to determine the selected value of the drop down list.
The code is as follows :
Dim tbl As New Table()
tbl.EnableViewState = "true"
[code].....
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Aug 6, 2007
I have a Visual Basic 2005 program which runs fine if I execute the built Executable. However if I start the application in VS2005 debugger it gives a weird error
[Code]...
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Sep 5, 2011
i have this code:Private Sub frmMain_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
[Code]...
Error 1: Option Strict On disallows late binding.Im using visual basic 2010 express on a gateway laptop thats running Windows 7 OS How do i resolve this error?
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Apr 9, 2009
I have a listbox and it it I am showing numbers.It should look like this (line by line) 1,2,3,4,5,6,7,8,9,10,11.....but is is showing it like this 1,10,11,...2,20,21...3,30...ow can I make it that it will show it in number order 1,2,3,4,5......
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Jul 29, 2010
Soemone recently downloaded my software and they got this error: microsoft common languages runtime version 4.0.30319.0 how do i fix this
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May 24, 2012
I'm creating an app to manage the movies I've watched and get some info about these movies and then display these info in labels.At moment I'm trying to load the "runtime" and "genre" into label3 (runtime) and label5 (genre). Once the movie name is clicked in the listbox control, these info are loaded from a website (webbrowser control) and then displayed in the labels. My question is: Is there any way to make the My.Settings save these info for EACH movie? Something like this:
Saving the info:
vb
If ListBox1.SelectedItem.ToString > 0 Then 'LOADING THE INFO CODE... 'SAVING... 'create: My.Settings.(ListBox1.SelectedItem.ToString & "1") = Label3.text 'create: My.Settings.(ListBox1.SelectedItem.ToString & "2") = Label5.textEnd If
[code]....
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May 2, 2011
I am having a repeater within it there is label bounded with the Parking_Name Field and a button which is bouned to the Parking_ID field.
<asp:Repeater ID="repeater1" runat="server" DataSourceID="SqlDataSource1" OnItemDataBound="repeater1_ItemDataBound"> <ItemTemplate> <li> <asp:Label ID="lblName" runat="server" "><%#Eval("Parking_Name")%> </asp:Label></div> <asp:Button ID="Button1" runat="server" Text="Button" CommandArgument = '<%#Eval("Parking_ID")%>' />
How can bound the button with the Parking_Name as well ?
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Jan 10, 2009
I have the given XML file.
<!doctype mydata "http://www.w3.org/mydata">
<mydata>
<authors>
[Code]....
I want to bind it to the DataGridView and show it in a tree-like structure with the authors and editors shown seperately in expandable (+) symbols. I dont want to use DataSet. How do I do it using the XSD and the class file generated from it?
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Jul 10, 2010
how can i bind a dgv with text columns + a combobox column to a datatable?
do i need to use a datarelation for the combobox column?
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Dec 29, 2010
First of all, I'm quite new to using Visual Basic. This is my first time using a Binding Navigator in a program that I am creating.I have the base of the binding navigator working, data source has been connected (fields etc.). What I need to know now is how I can create a new entry by clicking the '+' button on the navigator, and the new entry appear in the Access database
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Jun 7, 2010
I want whenever i search for a name, his picture appear on the picturebox..[code]Unable to cast object of type 'System.Byte[]' to type 'System.Drawing.Image'.
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Jul 17, 2009
I am trying to add 2 databindings to a combobox. 1 will bind to the text, andthe other one will bind to the selectedvalue. However, I am only able to add one databinding to the combobox.
cmdCustomerID.DataBindings.Add(
"Text", TblCustomerBindingSource, "strCustomerID", True)
cmbCustomerID.DataBindings.Add(
"SelectedValue", TblCustomerBindingSource, "idxCustomer", True)
This is what I have done. Only the selectedValue DataBindings.Add is being captured.
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May 10, 2010
i have an empty datagridview on FormA and calling a function in FormB to run a query and bind the results to FormA's datagridview. i receive no errors, but nothing shows up in the datagridview.here's my code (note: sql statement does return results within sql management studio)
vb.net
Public Sub GetRecorders(ByVal _sqlString As String)
Try[code].....
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Dec 11, 2009
How can I successfully compile when a secondary projects dll is not available to the primary project during compilation? I don't want to have the secondary projects dll be absolutely necessary but rather have it used only if I explicitely call for it. For example, I have ...
[main project]
Dim thisArr(,) As String = SecondaryProject.Reports.listReports()
[secondary project]
Partial Public Class Reports
[code]....
Of course when i compile, and I have removed the secondary projects dll from the main projects bin directory, i get "Type 'SecondaryProject.Reports' is not defined."
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Dec 12, 2010
I have produced an Access database and a dataset linked to the database, and am working on a form in VB to enter data to this database. This form was produced by dragging the required fields from the data sources manager to automatically bind to the dataset.
I am attempting to use some radio buttons to allow users to select their gender on a form. I do not know how to take the results of selecting either radio button and upload the user's selection to the dataset, which would then be uploaded to the database.I also attempted to use a ListBox and ComboBox for some other fields, but they do not seem to work as they should, since when I attempted to press the handily provided "Save" button, I was provided with an error to the effect that the boxes appeared to be empty.
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