Binding Web Service Data To Form Controls?
Apr 21, 2010
Im trying to show data from a Web service in a win form - with the data on various labels. Well.. id like to put the data into a dataset and then bind controls to it...Thing is ive never done this before, the project was started as a little learner project for myself and a web dev friend (who created the service)Showing the data in a webpage is sorted, its using it on a winform that i cant get my head around. Ive added a service ref and then thats about as far as ive got, everything i try to do to call data from the service seems wrong. How do you go about this
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May 19, 2010
I have a form that with a list of text boxes. My target is simply binding these controls to an XML file so that whenever the file contents are changed externally, the text box values change dynamically. I will have an external application edit the XML file and overwrite the existing one.
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Apr 21, 2009
I have a windows form that I bind to a datatable via a binding source. The binding is done in code at run time. Eg;Me.txtCode.DataBindings.Add(New System.Windows.Forms.Binding("Text", bsForm, "ToolCode", True)) (bsForm is the binding source)This works well except if the form control is hidden (I have a couple controls on the form that hold Record ID and Version numbers that the user doesn't need to see). Databinding doesn't seem to work reliably for hidden controls.
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May 2, 2011
I need to add rows to a DataSet using databound controls in VB.net. I've set up the data bindings themselves, they're bound the the correct controls, and the BindingSource uses the correct DataSet. The DataSet is filled from the DataAdapter correctly, and the binding source works, as the navigation controls all work fine. How do I use the controls to add new data to the DataSet? I guess there must be some kind of end-edit involved which would enable me to insert, update and delete records in the DataSet (as you would use with DataGridViews)
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Jul 31, 2010
I have a listbox in my form that gets its values from a data table by data binding. My question is, when the data (row) is loaded it also selects the first line automatically. I do not want this because I want the listbox to select an item only when the user clicks on it. Otherwise, the iteme should ony be listed. Is there a way to manage this?
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May 3, 2012
It is possible to create windows service using windows form control in vb.net.If yes then please give me the url or links.
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May 3, 2012
It is possible to create windows service using windows form control in vb.net. The windows forms control such as, Timer control, list-box, notify-icon control etc.
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Jul 2, 2009
If I load a datatable, and then set a listbox properties pointing to it, I get the right data, e.g.:
[code]...
I get System.Data.DataRowView instead of my actual data.I don't understand how the databinding is actual happening, and how I refresh my the data in the control when the data changes.
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Nov 14, 2009
I have a form with a series of text boxes to accept user input and a button that should basically run an INSERT statement to a SQL database.I'm baffled at why I cannot figure out how to code this. All of the samples posted on the web are for VB 2005/.NET and the syntax is definitely different in 2008 because attempting to copy+paste to just test some of their source is just littered with errors.
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Feb 26, 2009
like this i have n number of questions in my word document. so my need is i need to read the questions and fill it up in the datagridview with yes or know chek box. my datagridview appearance would be as follows. so the peson who is viewing the questions and can make yes or know option using the check box.if the person chooses no option he has to enter the reason the reason column. so i have to do this dynamically. means that binding datagridview with checkbox ,textbox, data dynamically. how to do this please because after the datas entered in the datagridview i have to loop through rows and i have populate into another word document. so please if there is any sample
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May 9, 2012
I want to be able to control several groups of settings independently of each other. I'd originally used My.Settings, but it was too much work to manually rollback some settings whilst saving others.
I thought my solution was to use multiple settings files, and I've had moments where this seemed to work, but I whatever success I have had is periodic and temporary.
Currently I have two settings files in the root of the project; In code, I can access the settings OK, but in many cases I want to bind individual settings to controls. This should be straight-forward, and I recall it working when I used the single, built-in settings file.
However, when I use the two new settings files it doesn't work. In the Formatting & Advanced Binding dialog, I select Add New Project Data Source, I browse into my project, then into the root namespace, and then I see my forms/classes/settings files. When I select the two settings files, and click OK, the dialog is dismissed without me being able to select an individual setting to bind the control to.
When I enable Project > Show All Files, I can see that the binding has been created; I have two .datasource files under My Project > Datasources.
Is there some reason why I shouldn't be able to bind to these settings files? If not, why can I not access them the the data-binding dialogs?
Plan B is to create an object to act as an intermediary between the controls and the settings files, but I'd rather avoid this if I can.
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Feb 15, 2012
I have the following datagrid:
<asp:DataGrid runat="server" ID="gastosReembolsables" ShowFooter="True" AutoGenerateColumns="False">
<AlternatingItemStyle CssClass="DATAitem2"></AlternatingItemStyle>
<ItemStyle CssClass="DATAitem1"></ItemStyle>
<HeaderStyle CssClass="DATAheader"></HeaderStyle>
<FooterStyle CssClass="DATAitem1"></FooterStyle>
<Columns>
[Code]...
all bindings work except the ones in the validation controls for the itemtemplate of the last column (they are passed as text to the web page). Why is this happening? is it even possible to do what I'm trying to do?
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Mar 20, 2009
I have yet to find a "nice" way to do two way databinding in .Net. The one thing I don't like for example in the present asp.net two way databinding is doing the binding in the aspx page is no compile time checking, ie:
<asp:TextBox ID="TitleTextBox"
runat="server" Text='<%# Bind("Title_oops_spelled_wrong") %>'>
I would like to have something like this:
Class Binder
Public Sub BindControl(ctl As Control, objectProperty As ???????)
'// Add ctl and objectProperty to a collection
End Sub
What I don't know is possible is, how to receive the objectProperty in my example; I want to receive a reference (ie: a pointer) to the property, so later, via this reference, I can either read from or write to the property.
Can this somehow be done with delegates perhaps??
UPDATE: Note, I want to add the control reference to a binding collection, this collection would then be used for binding and unbinding.
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Mar 23, 2011
I am using Visual Basic Express 2010.
I have programmatically set up a Datagrid and binding navigator etc., but I cannot get the movenext, movelast buttons to actually hook up to the Data on the Datagrid.
I have tried to set up an addhandler for the BindingNavigatorMoveLastcontrol, and although I can get the BindingNavigatorMoveLastcontrol to display my messagebox
WHICH IT DISPLAYS TWICE FOR SOME REASON I cannot get it to actually move around the Dataset, or any of the other navigation properties for that matter.
Wednesday61
Imports System.Data.SqlClient
Imports System.Windows.Forms
Imports System.Drawing
[Code].....
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Feb 26, 2011
Is it possible to connect ado.net to an xml file and then make the xml file a data source on my project where I can bind controls to it in designer mode?
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Feb 13, 2009
first post here at the forums. I am a complete noob when it comes to VB .Net, but I have done a lot of VBA programming and some VB6 back in the day. I have posted this question on two other forums (including the MSDN forums) and no one has responded so please let me know if I need to clarify the question.
I am (trying) to write my first .net app which reads/writes data to a device connected over the serial port. I have manged to get it to work to send commands to the device and receive the reply back, mainly using the info from this article: Beth Massi - Sharing the goodness that is VB : Reading from a Serial Port and Saving to a Database
However, I am having problems with updating the controls on the main form based on the received data from the serial port. Basically I want the user to click a button (one of six on the form) which will send data to the device, then based on the response from the device, the BackColor of that particular button, will be changed accordingly. I just am missing something b/c the button click is a different sub than the sub that handles the form controls update and I can't get the two to talk
[Code]...
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Jul 29, 2011
I've used Me.Controls.Add() to add text boxes and now, I'm thinking how can I INSERT the data in these text boxes to database.
[Code]...
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Aug 16, 2011
I have SQLdb column elements from one table that are selected from another table. This is achieved through the use of binding a combobox to the selectable entries and applying that entries ID to the initiating table column When I add multiple combo boxes, for multiple columns, the data selected propagates across all the combo boxes I have. They all use the same binding source. It seems to me the only way out of this is to create a bunch of binding sources, essentially one for each control. I have tested this and it appears to work, but is there another, less cluttered way of ensuring that the comboboxes, while bound to the same binding source, are not bound to one another?
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Apr 28, 2011
After click the ok button all controls of displaying data should be clear in dataentry form. If i enter some data in the Combobox or Textbox for saving the data into the database, If i click the OK button all controls of displaying data should be clear, B`se i want to enter next record, so how can i do this?? Is there any Refresh Property is there?
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Sep 6, 2009
[edit]oops - stupid typo - this is resolved and explained in the next post[/edit] I've got a BINDING SOURCE - that I bind to controls - textboxes mostly. I create a row in the datatable behind this BINDING SOURCE like this.
[Code]...
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Apr 23, 2010
how to use the VS 2010 IDE tools in a way the Microsofties didn't specifically intend. But since this is something I immediately tried without success.
I have defined a .NET 4.0 WPF Application project with a simple class that looks like this:
Public Class Class1
Public Property One As String = "OneString"
Public Property Two As String = "TwoString"
[Code]....
The expected result was that "OneString" would appear next to "One" and "TwoString" next to "Two" in the running window.
The question is: Why didn't this work? What will work instead? If I put bindings in a DataTemplate, it works. Blend, with its sample data stuff, implied that this should work, but it doesn't.
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Jun 3, 2011
i hve create combobox & text box and add database source to my project...i know how to binding data or load data to combobox using SELECT query..but can i change SELECT to INSERT query cz i wont when i type data into textbox,data will be in database...second..can i binding without add database to project..i mean mydatabase in debug folder..i hve problem binding data if database is not in myproject..
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Apr 2, 2012
Data binding should be an extremely simple thing to manage but I can't find a SIMPLE solution to the following problem.
I have two forms
Form1 contains a 4x4 MSFlexGrid (unfortunately an unmanaged COM object but I can merge cells, which I can't do with a managed Datagrid)
Form2 contains other controls which change the data in the Flexgrid.
I connect the two with a Public 4x4 array. Form2 changes the data in this array. I can update the grid data by reading the array. But how do I bind the Grid to the array so that it auto-updates - which is the whole point of binding isn't it?
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Oct 31, 2010
i want to binding excel data to a datagrid without no header, just the data.for example :my excel files consist of 3x3 matriks data in 3x3 excel cell like this
1 2 3
4 5 6
7 8 9
and i want to show all this data on data grid i have tried with some code like this
Dim MyCommand As System.Data.OleDb.OleDbDataAdapter
Dim ds As New DataSet
MyConnection = New System.Data.OleDb.OleDbConnection("provider=Microsoft.Jet.OLEDB.4.0; " & _
[code]....
but the first row of that data ( 1 2 3 ) is not shown up in the datagrid, just the 2nd and the 3rd row that shown up in datagrid?
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May 24, 2009
How can I add controls to a form in code and set the properties of the controls using the With statement?Also I would like to know how to add a container control and then add a control to that container.
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Apr 15, 2010
I have a slight problem With an enumaration of child controls on a form. The following code will not get but about have the controls that are on the form. The controls show that the count is correct but when it goes through the loop it skips over some of the controls. If you run it through the enumeration two or three times it will get all the controls a few at a time. The solution uses two forms, one that has the controls and the other that labels are made and displayed on. The Tx is just a index to add a number to the label.name and rename the label. So each label is identified seperately. This works for all the the controls that are seen in the for each loop.
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May 11, 2009
I created a class that can take either usercontrol.controls or form.controls as a parameter,how can i pass either to that class? as a property or how?
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Aug 14, 2009
I have a bit of code that reaches out and grabs a series of rows from SQL Server DB. I perform an inner join to get some related table data. In the process I get returned the user id of the creator of the data. I then want to pass this into a query to get back a full name. I am having no luck figuring out how to do just that. If I use the data visualizer I can see the name I am after, I cannot figure out the call to extract it
Bindingsource1.DataSource = GetData("Select * From PURCHASE_ORDERS WHERE PURCHASE_ORDER_NUMBER =" & REQ_NUM.Text)
.DataSource = Bindingsource1
[code].....
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Nov 15, 2009
I'm looking for a line or two of code that will bind a DataSet.Datatable column to a textbox on a Datarepeater?
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Jul 14, 2011
i have a Windows service that is hosting a WCF service through net.tcp and this is working great. I have also created a WCF service application. I am trying to add the net.tcp service reference to the service application. Then I add it to the GAC that goes ok but if I try to RegAsm the WCF service application to allow it to be called from Server.CreateObject I get the error:
Warning: Type library exporter encountered a type that derives from a
generic class and is not marked as
[ClassInterface(ClassInterfaceType.None)]. Class interfaces cannot be
exposed for such types. Consider marking the type with
[ClassInterface(ClassInterfaceType.None)] and exposing an explicit
interface as the default interface to COM using the
ComDefaultInterface attribute.
It does not work. I have tried to call it through a class library but this does not work either as the end point is not set correctly.
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