VS 2008 Navigation Through Databindings?
Feb 22, 2012
I wanna know a thing.I wanna know how to move into the different regs of the form (using databindings), just focusing the ID textbox and selecting ALT + => to go to right, ALT + <= to go to left, ALT + UPbutton to go to next and ALT + DOWNbutton to go behind.
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Aug 4, 2009
I want all binded controls in a form or a user control have the Data Source Update Mode to OnPropertyChanged (by default they are in OnValidation).I can do that for each control in designer mode and in the DataBindings, under Advanced, change the Data Source Update Mode to OnPropertyChanged but I want to do that once for all controls.
All my controls are in a big user control, so I put before InitializeComponent() :
Me.DataBindings.DefaultDataSourceUpdateMode = DataSourceUpdateMode.OnPropertyChanged
It is not good, my controls are still in OnValidation mode (instead I force the
[code].....
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Apr 6, 2009
I have been developing a database management program which is quite simple so far, with navigational controls, ability to delete record, datagrid, etc.
It uses databound textboxes, but when I modify the content of them it does not update the database. Same applies when I add a new record and fill in the textboxes. What do I need to do?
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Jan 16, 2009
I am porting a college project made in VB6 to VB.NET, which I am quite new to. I'm finding data bindings a little more frustrating than the ADO controls VB6 had. Here is an example of RecordCount being used in the old code, from the login screen:
Private Sub cmdLogon_Click()
If txtID.Text = "" And txtPassword.Text = "" Then
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Jun 29, 2010
I have a form that has several controls, most of them are textboxs. All controls are binded to a bindingsource. The controls that always have values, they are displayed correctly, but the others ones that have null values in the data source, the default null value doesn't show up. This problem it's driving me crazy... There must be something that i'm missing. Some of the code that i had used with no luck:
[Code]...
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Feb 19, 2010
can i use an inverse notation in the databindings to enabled or disabled one checkbox?I have a form that has several controls binded, and if i have true in one field in the database i need to check checkbox and disabled it.Something like:
vb.net
chk.DataBindings.Add("checked", bs, "MyDBFieldBool")
chk.DataBindings.Add("enabled", bs, "MyDBFieldBool")
This can be done directly?
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Jan 8, 2009
I used to use ADODC with VB6. Once I've set up databindings I can set a text box or other controls to link with a database's specific field by changing the Text property under Data > DataBindings. I want to change the field the text box links to at different times using code. How can I do this?
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Jan 24, 2009
I'm making a WPF form that has a large map as an Image in a ScrollViewer. It also has a mini-version of the map as another image. I want to make it possible to click the mini-version of the map to scroll the big version to a certain area of the map. So I need to do the following:
1. When moving the mouse over the mini-map change the mouse cursor to a square with the appropriate size to indicate what part of the map will be shown.
2. Scroll the big map to the appropriate section when the mini-map is clicked.
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Aug 9, 2010
I've made an alternative to the MdiWindowListItem for window navigation in an MDI application. It consists of each window being added as a toolstripbutton to a toolbar, similarly to the Windows taskbar. I don't use any of the mechanics I should probably use, such as for loops catching each child window etc etc. Instead I look at window titles and do a lot of string manipulation and using counters etc.
I'd like to get rid of my method and use something a little more technical. I'd like to have the same effect, but to be able to add toolbar buttons relative to the MDI children as opposed to looking at window titles and such, because I've also got a plugin system that allows users to create their own windows and add them as mdi children. But, if a plugin is added, it doesn't get added to my toolbar taskbar thing because the titles are all user defined and I cannot control them.
So, basically, I want something exactly like the menubar's MdiWindowListItem feature, but using my toolbar idea. I want all MDI children to show up in it, including the 3rd party windows.
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Jul 10, 2009
I have made a really simple program launcher for my home theater pc that allows me to launch 6 programs, open/close the optical drive and shutdown.I don't have a mouse or a keyboard normally hooked up. I can navigate the buttons with the up and down arrows fine, but only in the tab index order. Is there a way to allow the left/right arrows to focus on the buttons to the side? Here is a screen shot of my application to hopefully give a better idea of what I'm asking. (eg. Can I hit the right arrow from my first button and focus on the Open button?)
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Mar 12, 2010
I am currently working on building a kiosk, and I have to make the pdf reader part in vb.net. The pdf reader should have following functionalities. 1. It should be able to print the pdf showing by clicking a button saying PRINT instead of the adobe reader print button
2. I must hide the menu bar, navigation bar, etc from the adobe reader AxAcroPDF because it is a touch screen application and we don't want people to be able to get any access to the actual computer.
[Code]...
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Mar 14, 2009
Is it possible to attched some kind of Flash animation Menu & Navigation buttons in VB.NET? or only in website can do that? cause i want to create some flash animation buttons and datagridview or something components.....
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Mar 11, 2010
I'm trying to create DataBindings to textbox and combobox controls on my form. Here is my code so far:
Private Sub SetBindingSources(ByVal strClientID As String)
Try
'This section of code populates the grdAddresses DataGridView
strSQL = "SELECT B.addrDesc, A.addr1, A.addr2, A.addr3, A.city, A.stateCD, A.zipCode, A.phone, A.fax "
[code]....
The highlighted line of code is returning the error message (see screenshot below). The part that I'm not sure what to code is the "dt1.addr1".
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Mar 16, 2009
I'm try to making a text box showing a date, this what i've done
[code]...
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Jun 23, 2010
I'm having some problems with a data bound datagridview.My current scenario is the following..The itemSetup has tree properties {ItemNo, CompNo, LocNo}(compno locno are not required)I have a datagridview with a datasource list of itemSetup And this has two comboxes cboCompany that is bound to a list of company the selected value is bound to compno. cboLocation that is bound to a list of locations the selected value is bound to locno the location class requires the compno to create the list of location the problem I run in o is that the when the compno is Nothing the cboCompany throw a datagridview_ dataerror when the form is loaded en when a item is added it looks like the binding of the combox runs later then the value is set.
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Apr 6, 2009
(I used to use VB6.) I have been developing a database management program which is quite simple so far, with navigational controls, ability to delete record, datagrid, etc.
It uses databound textboxes, but when I modify the content of them it does not update the database. Same applies when I add a new record and fill in the textboxes.
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Nov 11, 2010
I'm having trouble using DataBindings in a Windows Form / User Control. For example: Create a windows form, place a single text-box on it & place two buttons on it. The code behind the form is:
Imports System.ComponentModel
Public Class Form1
Implements System.ComponentModel.INotifyPropertyChanged
Public Event PropertyChanged(ByVal sender As Object, ByVal e As System.ComponentModel.PropertyChangedEventArgs) Implements System.ComponentModel.INotifyPropertyChanged.PropertyChanged
[Code] .....
If you type something into the text box & press Button1, you'll get a message box with the text of the property in it. If, however, you press Button2 (which sets the property in code) and then press Button1 again, you'll see that while the property was indeed set in the code, the text box doesn't reflect the change.
Updated the code to provide the implementation of INotifyPropertyChanged. This now works as desired.
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Jun 2, 2010
I have a form with many different textboxes on it. The form is used to Edit the data already in a databound table. At design time I set my Databindings.text to the appropriate columns.
During form load I check the values in the bound column for null values. If the column value is null, I set the textbox.text property to a descriptive prompt like "enter telephone #" or enter city. I also use databinding.remove to remove the databinding so that the desriptive prompts don't wind up in the database.
Here is the code I use to remove the databinding.
For Each Panels In Me.Controls
PBox = TryCast(Panels, Panel)
[CODE]...
.Tag2Defaultphase is a custom property I have defined which holds the default descriptive prompt. If the user enter a value into the textbox I then wish to add the bind back so that when I updateall with the tableadapter the value will be transferred back to the appropriate bound column.
Here is my code for that:
Sub perOptionalTBoxValidation(ByRef TBControl As custTextBoxControl, ByRef strDefaultTextPhrase As String, ByRef intMaxChars As Int32, ByRef bsBindingSource As BindingSource, ByRef strColumnName As String)
[CODE]...
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Mar 6, 2012
I have several controls in a winform application that I added databindings to using code.
Dim tblWrapper As ObliqueQCAndSpliceTool.TableWrapper = New ObliqueQCAndSpliceTool.TableWrapper(tbl, idField.Name)
tblWrapper.UseCVDomains = True
[code].....
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Dec 10, 2011
I am doing a project for a course that involves a database, i have it set up already so that i can have two different labels displaying data from two different fields in a table when the form loads, but i am trying to get it so that when i click an option in a listbox it will change the displayed information. I am using the following code to set it when the form loads:[code]
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Sep 24, 2010
I am sharing databinding when opening a detail form a summary form. The data is shared fine. What I don't know is how to save any data that may have changed, or to create a new record.[code]...
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Mar 1, 2011
I am trying to add to a binding using Control.DataBindings.Add(). The issue that I am having is that the data member name has a period and space in it("Foo. Bar"). When I try to add the binding I pass in the string "Foo. Bar" as one of the arguments and I get an exception "CAnnot find datamember "Foo.".Is there a syntax that I need to use to pass the datamember name in when it has a period in it? I tried adding "[]" around the name but no dice.
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Jan 18, 2010
What are the pros and cons of using the checkboxes checked property vs the CheckState property for databinding?
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Aug 27, 2009
I can't seem to figure out how to use databindings to enable/disable a button when a listbox contains 0/1+ items?
Button1.DataBindings.Add("Enabled", ListBox1, "Items.Count")
Button1.DataBindings.Add("Enabled", ListBox1.Items, "Count")
Result = ArgumentException: Cannot bind to the property or column Count on the DataSource. Parameter name: dataMember
Button1.DataBindings.Add("Enabled", TextBox1, "Text.Length") ' This works?
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Feb 28, 2011
I have some textboxes bound to a bindingsource and bindingnavigator.
I want to detect when the values have changed and prompt the users to confrim if they want to update.
When the form is first initalised and when then binding navigator moves to the next record the text_changed event fires on textbox where I have a boolean to determine if things have changed.
Is there a way to set my boolean only when valid data changes have occured or a better way to detect if things have changed
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Sep 4, 2009
I have a asp.net web page where i will navigate pages on the click of the "Next" button
Page1 will got to Page 2 and then page 3 and page4
But in a selection of dropdown in page 1 it decides page 2 should go to page 3 or page 4
How can i know where they set this page navigation? if suppose i need to change the navigation order?
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Jun 29, 2009
how can i create this navigation bar or xp bar??
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Apr 18, 2012
I am using VB.net 2010 and sql server 2008. I want to have data navigation buttons like next, previous, last , first etc. I am using data reader object to accomplish database manipulation. Now, I want to show Next database row, on Next button press, and same with previous etc.
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Jun 6, 2010
I am using visual basic and when I try to hide Navigation bar, I am not able to, it is disabled. Ok I tried to turned it off going to "all languages", althought I unchecked the setting. It didn't disappear. I restarted visual studio, closed all open classes. It is just visual basic, when I try with c# I can hide and show it.
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Mar 25, 2011
navigation from one page to another
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