Form Controls Name Is Not Returning Properly?
Jun 7, 2011
I am trying some Uiculture change functionality.In that I need the name and text of controls in a form to change the culture.I got some Demo project and it is in C#. I tried to make the same functionality with the C#.net and Also using VB.net. But the below mentioned code returns control name with an underscore as prefix. But I don`t want underscore .Code is actually written in Class library.
code is written below
Dim fields As FieldInfo() = form.[GetType]().GetFields(BindingFlags.Instance Or BindingFlags.DeclaredOnly Or BindingFlags.NonPublic)
[code]......
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Jun 12, 2011
I am trying some Uiculture change functionality. In that I need the name and text of controls in a form to change the culture. I got some Demo project and it is in C#. I tried to make the same functionality with the C#.net and Also using VB.net. But the below mentioned code returns control name with an underscore as prefix. But I don't want underscore. Code is actually written in Class library. It works perfectly in C#.
Code is written below
Dim fields As FieldInfo() = form.[GetType]().GetFields(BindingFlags.Instance Or BindingFlags.DeclaredOnly Or BindingFlags.NonPublic)
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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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Apr 21, 2008
I am working on a Data Survey Project and first I have a few questions about the different types of databases, and second, I need help querying my tables that have relationships.
1. I need a database that is stand alone. It is just the back end for the program. Simply to hold all the data an employee gets while out on a job. So would I be better using access, or SQL Express? I have played with both, but I do not want a large redistribution to my user machines. When I compile and produce this app does the SQL Database still work without installing any SQL Technology? Or do they have to go in after they install my app, and install Express?
2.Overview: I suppose depending on the first question regarding the database, it might change this question a bit, but none the less...I have 4 tables( using Access at the moment) I will be generating Reports based on data in the database. I haven't gotten that far yet. *Project* is the table that holds all the details that pertain to the job and client. It has a "one-to-many" relationship to *Survey*. So for one customer there are going to be many Survey Records. *Project Type* also has a 1-to-many back to *Projects*. Parts is kind of an orphan, but is linked to the *Survey* table with a one to many. So there can be many parts for one survey. I wanted this table for a drop down box, so the user could just simply select what hardware he was using instead of typing all the names and parts.
So in VS 2008 using the Designers and related Query tools, how do I constrain the Survey Data to one Customer? I have one form that opens from a button that is "New Project" and then there are all the *project* fields listed, so the user fills out the info and hits accept and that opens a new form called "frmSurvey" I need to add some code to the accept button to check what type of project is selected from the frmNewProject and then run a select query based on that. How do I write query statements in the code section of the form, without using the Visual Database tools?
Ill stop here, and get these questions out of the way first. If I could just get a handle on how to use the data properly with different forms and different controls with my queries, that would be great.
DATABASE
CODE:
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Jun 15, 2010
I want to return a value (vbCancel or vbOK) from a form which is shown as a dialog from the calling form.So, I overloaded the showdialog method to return the value.Trouble is, a value of zero is returned as soon as the form is shown.Now, if I can make it behave more like the showDialog method where execution doesn't continue until the form is hidden everything would be fine.
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Jun 22, 2010
I am looking for a code snippet which opens a image, creates a clone of this bitmap in memory disposes this opened image so that all handles are closed.
Usually we can open a bitmap using this[code...]
the following code however keeps the Image File locked until the application is running, any suggestions how to dispose it properly. (So that no handle is left open )
Things i already tried: use dispose method of bitmap <= doesnt work (need to write implementation)
Using Block also doesnt work.
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Oct 8, 2011
Using VB.Net[code]...
When textbox1.focus() at that time i clicked Control + Enter key, the formid=55 is showing instead of formid=54.
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Mar 30, 2010
I have a windows form with listboxes, buttons and a checkbox. It works fine at home but when I take it to school it doesn't display properly. I have been given full privileges and the .NET framework V3.5 is installed. I have all my buttons/checkboxes on the right hand side but they don't display like they aren't even there (there is no extra blank form space either). The form sized wasn't locked
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Apr 22, 2009
I'm trying to figure out how to make a dynamically scaling/resizing 2d chart on a form as my 1st trip into graphics. Most 3rd party addons/DLLs are of no use to me as the bank I work for is unlikely to allow any of those to be used in my projects.
[Code]...
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Oct 8, 2011
Using VB.Net (Windows Application)
In the Form, textbox, combobox etc....
-> When i open the windows form, if i press ctrl + Enter, then pop windows is opening
-> if i enter any data's in the text box, then i press ctrl + Enter, then pop windows is not opening
Code
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Me.KeyPreview = True
End Sub
[Code]....
When the form load, ctrl + Enter shortcut key is working, once i enter or select any data's in the form, then ctrl + Enter shortcut key is not working (not showing the popup windows)
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Jun 11, 2011
I am developing an application that based on when a user has last entered a payroll, my program tells them the next available Sunday that is available to them based on
1. The date that the last time payroll was entered
2. If payroll ran = "yes" or "no"
I have a sql query that returns the next Sunday back to me based on this criteria, but when I put it into my application, it returns 1/1/0001 to me.
Here is the query:
select MAX(payrolldate) AS [payrolldate],
dateadd(dd, ((datediff(dd, '17530107', MAX(payrolldate))/7)*7)+7, '17530107') AS [Sunday]
from payroll
[Code].....
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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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Jun 20, 2012
I have spent a long time trying to find a solution for the problem I am having with comboboxes within a child form. I'm sure this must be a Microsoft error and not something I'm doing wrong..The best way to explain the problem would be to tell you what I have done so far:
If you open a new Project in VB and add two Windows Forms. Form1 will be the parent. Form2 will be the child.On Form1 add 1 x panel(Form2 will open up within the panel so make sure the panel is big enough to fit Form2) and 1 x button. The only code needed for this form is:
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
[Code]...
Now run the program and click button1 to open form2 (form2 should now open within panel1).
The comboboxes and textboxes lose some of there functions for example:
1. You cant set focus on combobox without hitting drop-down
2. You cant highlight text properly in either the combobox or textbox.
3. You cant set the cursor index position using your mouse in the combobox or text box.
Does anyone know a way around this?? Mainly for the combobox as I've got some functions working for the textbox.
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Jan 4, 2012
I thought Me.Close() works, but hey I'm a noob at this. Right now I'm using:
Form2.Show()
Me.Dispose()
Me.Close()
but now that I've published it, I have to pull up my task manager and do end process to actually close the app. This wasn't a problem until my office started using a public drive and everybody was using the program at once. An error popped up saying that the connection string wasn't initialized, but it worked on the computer that opened the app first. Maybe the real issue isn't properly closing the form, but that is annoying that I have to use my task manager to close my app.
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Jul 18, 2010
i am running into some difficulty with the .NET garbage collector. i have a custom control that i need to dispose and reallocate depending on user interactions. calling ctrl.dispose() and then instantiating a new control accomplishes what i want, with the nasty exception that the garbage collector (at least, i am presuming this is the GC, since this exception will happen on it's own after the application has been idle in the background for several minutes) will then periodically throw an exception: "cannot access disposed object
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Jul 31, 2009
This problem seams to be in other forms without any concrete solutions. I figured id post it here since i am running into the same problem and i am sure you have at well at some point (if not then you will soon...lol). The problem is this error is appearing when i open a form in designer mode.
[Code]....
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Jun 7, 2010
I have a MDI app that I am creating. It, of course, will have multiple MDI child forms. In each child form, I have an options button so that each child form can have it's own set of options. When I click the options button it opens an Options form. This options form is not an MDIChild.
I have a class that contains the child forms options. I pass this class to the options form using a constructor. This is how I call the options form:
Dim dlgPatternOptions As dlgOptions = New dlgOptions(thisPatternOptions)
thisPatternOptions is the class that I am passing to the Options Form.
This works fine and the options form does populate the options correctly. The Options form constructor is this:
Public Sub New(ByRef thePatternOptions As CanvasOptions)
Me.InitializeComponent()
Me.txtCanvasWidth.Text = thePatternOptions.CanvasWidth.ToString
Me.txtCanvasHeight.Text = thePatternOptions.CanvasWidth.ToString
End Sub
I change the options in the options form. How can I get those changes back to the calling form? Do I need to somehow pass a handle of the calling form to the constructor to get the changed values back to the calling form? Is there some way to pass a handle to the options form so that changes made to options will be pushed back to the calling form?
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Mar 30, 2009
I have a problem which I have tried to solve in several ways, and by searching the Internet for various terms, searching through books and Visual Basic instructional videos, but none have yielded the correct results. My goal is as follows:
1. Create a Database listing job names, job numbers, and a link to the file about the job.
2. Create a form with 2 text boxes, a search button, a box to display results, and a preview panel.
The two above steps have been completed. The following is where I get stuck
3. I want to search for either the job name, and/or the job number, have VB search through the database and return the results in the results box.
4. On clicking on one of the results in the result box, the preview panel will show a preview of the file.
Notes:
i) The files being linked top are Microsoft Excel files.
ii) The box I have used for the results currently is a listbox, though I've no idea if this is the correct choice for what I want to do.
iii) The database I created is an *.xml database created in Visual Basic. I am a fair beginner to VB, learning as I go, but I'm stumped as to how to achieve this so any pointers on how to achieve points 3 or 4
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Mar 15, 2012
I have an ASP.NET web application (VB.NET) using an Oracle database. On an insert, I need to get the identity of the inserted row back. I am trying to use RETURNING, but I keep getting a value of 1 returned.
Dim strInsert As String = "INSERT INTO L.TRANSACTIONS (LOCATION_KEY, TRANS_CREATOR, TRANS_EMAIL, TRANS_PHONE) VALUES (:location_key, :trans_creator, :trans_email, :trans_phone) RETURNING TRANS_ID INTO :ukey"
[Code].....
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Nov 25, 2009
I have created a calendar in VB which works fine when set to the startup form, but when I use the MdiParent form as the startup form and try to display the calendar by use of a control it just shows all the buttons and labels with no values assigned to them. Its almost as if the Calendar_Load event is not working, or not accessing the methods in my CalendarClass.
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Dec 28, 2009
How come when I design a form it isn't displayed properly on certain computers in the fact that buttons near the bottom go of the bottom of the window. I beleive this only happens with Windows XP however it might be due to screen resolution, I haven't troubleshooted it much.
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Jul 31, 2009
this error is appearing when i open a form in designer mode. A picture showing what happens to VS when this error occurs.The error code is:One or more errors encountered while loading the designer. The errors are listed below. Some errors can be fixed by rebuilding your project, while others may require code changes.Unable to cast object of type 'System.Diagnostics.DebuggerNonUserCodeAttribute' to type 'System.Attribute'.
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Jan 1, 2010
I have a form which won't open properly under certain circumstances if a particular Button is set to visible = false. Under the same circumstances if the Button is set to visiblbe = true the form does open properly or if the line of code at a certain place where it is set to either visible = true or visible = false is commented out or not there then the form opens properly. If any one of the 5 phases on my form are turned on then the problem doesn't ever occur but if none of the phases are on then the problem does occur. I just found a fix for the situation but I still am not clear about what exactly is going on.
[Code]...
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May 26, 2012
I have a module level sub that I use to clear text fields etc on my forms:
CODE:
The problem I have is in the last few lines of code as I'm not really sure how to access the text boxes contained within the tab controls (of which there are many tabs and many text boxes).
This is the closest I've got but I am getting an "option strict on disallows late binding" error on the tabCtl in the following line.
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Dec 12, 2011
My brain may just be fried since it's the end of the semester, but my teacher kicked this back to fix and resubmit...she said that I am "returning the name of your function rather than your variable name".
Here is my code for all 3 forms.
code:
These are forms to calculate the cost of getting a cell phone package.
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Jan 16, 2012
I have a form. And some controls(such as TextBox,ComboBox,etc.) on the form.Now,I want to store the controls' Text into a .txt file(or any other formarts).Then I want to read the text in the .txt file to my controls.
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Sep 27, 2010
Inside a form, I would like to display a pdf file which is already available in my resources (template file "untitled"). In this pdf file, I have some fields which get their values from some texboxes in another form. My aim is, when the user triggers the button to call this form, it should insert the values inside the pdf file and display the output pdf inside the form.I have written the code to an extend but could not finish it myself after my many trials... Now here are the two things I cannot manage:I can use a directory to read the template pdf "untitled1.pdf". But my aim is to use the file inside my resources. can save the output file in a directory but this is not I want to do. I want to display the output pdf.
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Nov 21, 2009
How would i make so when the user resizes the form the controls on the form resizes to what ever(ex: form become full screen textbox is full screen.
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