VS 2008 : Validate The Dialogue Boxes?
Mar 18, 2012
i am trying to get the salaries of different employees using a dialogue box.As shown in the code below, I grab the salary from the dialogue box and pass it to a method (GetReading) in the Employee class. I would like the method to return true if the current salary entered is greater than the previous salary entered. If false, to display the dialogue box again for a valid salary to be entered.
Dim salaryReading As Integer
uiReadingsDialogue.ShowDialog()
salaryReading = CInt(uiReadingsDialogue.uiSalaryReadingTextBox.Text)
[code]....
But I can't get the dialogue to pop back up in order to enter the valid reading.
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Feb 20, 2009
I have two Numeric "spinner" boxes on my form called, nrcStartNumber and nrcEndNumber. The valid range for these boxes is 1-9999 (set for the controls at design). My question is what is the proper way to validate the two controls against each other such that the nrcEndNumber is always greater than nrcStartNumber? A similar question would be the same thing with two datetimepickers (formatted to time) such that the end time is always after the start time?
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Jan 20, 2009
I have a form with '7 text boxes' and '1 list box' (for country selection). Basically, i want the user to have to input data into all 7 text boxes but the list box has to contain a country from the drop down box (so the user cant just type random text into the list box)If all this ^ data has been met, then the 'button' is enabled.What would be the easiest way to implement this.
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Dec 1, 2010
The form has First Name, Last Name, Course and Email text box fields. First/Last Name must have no spaces, Course must consist of a three letters and two numbers in that order and nothing else(I want to avoid the use of masked text box), and Email must have the "@" sign and a dot. How would one make it so after clicking, say, Submit button and if there was a violation of any of the above rules then message box should pop up and tell the user which fields contain incorrect information.
Private Sub buttonAddNewStudent_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles buttonAddNewStudent.Click
'validation must be performed before the corresponding text box items will be placed inside an array
[Code]....
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Jan 14, 2012
I'm trying to validate input boxes for numeric value and range value. If I validate for either numeric value OR range value there is no error (for example, comment out one of the validation statements), but if both statements are present and I enter "a" I get an error "Conversion from string "a" to type 'Double' is not valid." Can anyone tell me what I'm doing wrong?
[Code]...
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Apr 29, 2010
i am use vb 2003 windows app with access 2003 database i want this code to check for numeric input only in the last text box CompanyProdPriceTxBx.Text
this is my
Private Sub SaveCompanyProdbtn_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles SaveCompanyProdbtn.Click
Dim rep As Integer
If CompanyProdNameTxBx.Text = "" Then
rep = MsgBox("Please Input Product Name", MsgBoxStyle.Critical)
[code]....
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Mar 14, 2009
I would like to generate some custom dialog boxes that I can call from anywhere in my project.
The easiest example I can give is of a form that waits for two numbers to be entered then returns their sum. I want to call it like a function ie. sum = add_two_numbers( " Enter the numbers you want to add then click add)This is not what I actually want to do, that is far more complex, this just a simple way to explain what I want to do. If I can do this I can do what I really want.
Essentially I want forms that will accept some input, process it and return a string. A bit like an input inputbox, an openfiledialog box or a fontdialog box. I also need to pass strings to it.I can do it if I use a function declared in a module which calls the form and then returns the value once it is calculated but isn't there a simpler more elegant method?
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Apr 26, 2012
I'm trying to figure out a way to validate the user data entered:
[Code]...
This is in MVC3, VB.net. I'm looking for an easy way to validate a users input data into the editorfor field.
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Apr 23, 2010
how to call this Active Directory dialogue in .net?
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Oct 7, 2010
I am trying to follow the book 'Sams teach yourself VB 2008'. It was going well until the end of hour 4. For exercise 1 I have created the form with a button and two text boxes, but cannot work out the code I need to move text between the two boxes. The Object Browser does not seem to help - am I reading it wrong?
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May 12, 2010
Is there a way to validate a groupbox with a couple radiobuttons in it to make sure that one of the radiobuttons is selected?
Heres why I need this. I need a user to be able to select their class rank out by way of radiobuttons in a groupbox. When they click submit, I need to validate that atleast one of the radiobuttons got selected and if not display a messagebox.
I got one reply early of:
If myGroupBox.Controls.OfType(Of RadioButton).Count(Function(rb) rb.Checked) = 0 Then
'There is no RadioButton checked in myGroupBox.
End If
Is there any other ways other then that? Preferrably a more 'dumbed' down way? This is for just an entry level VB class, I would prefer not to use something of that nature if there is another way.
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May 14, 2011
I am using Vb.NET2008 to develop Window Application. When the user enter the File Name on the textbox, I need to check the file name to ensure that it has the File Extension. (Eg. Sales.XLS) I have not done the coding before and stuggling with it.
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Oct 4, 2010
how to validate old regkey on nex update? using winlicense?
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Sep 20, 2010
I opened the "Add new Item dialogue box" and i found some items that is i don't know how to use it:
1-How can I use the "Interface"?
2-How can I use the "Com class"?
3-How can I use the "Report"?
4-How can I use the "Crystal Report"?
5-How can I use the "Class Diagram"?
6-How can I use the "Transaction Component"?
7-What is the difference between ""Class", "Module" and "code"?
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Jun 22, 2010
I wonder how I can validate that the GPS coordinates are inserted in the right format.
Like 38.722617
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Dec 8, 2009
What is the best way to validate whether or not information exists in a datagrid. Let me give a situation.
What I'm trying to do here is allow the user to search and sort the dgv based off of the character or string that is he/she inputs into a textbox. The things I want to validate are:
The textbox is not blank, and if not blank has valid information. (easy enough)
The dgv has actually been populated from the dataset!!!!!
The second I can't seem to nail down, regardless of what I use. I have tried using rowcollections, columns.count(), cell, item, and a few other properties all of which either get skipped over by my if statements or throw an index is out of range error.
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Dec 1, 2010
I was wondering how i can validate in my app if the user has entered a valid windowsusername and password i.e.:
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Mar 5, 2009
I'm trying to create a TelephoneIsValid class to validate if a telephone number is in the correct format and return the boolean.
How can I make sure the program understands the telephone number is in "xxx-xxx-xxxx" format only?
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Aug 11, 2010
I have been working on a notepad program, and have recently been trying to check if a file is open, and if it is, save directly, not always using dialogues.Every time I try to save it though, it tells me that the files is being used by another process (my program I'm guessing)Here is my code:
Private Sub SaveToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles SaveToolStripMenuItem.Click
If rtfopen = True Then
[code].....
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Feb 11, 2010
I am using this regex string in one of my programs to validate email adresses: "^[a-z0-9._%+-]+@[a-z0-9.-]+.[a-z]{2,4}$". This works well for the most part, but I just found out that it doesn't catch an address like this ... "john.doe.@yahoo.com" ... where there's a "." right before the "@", which is invalid, so my program tries to send it & throws an exception. How to modify my regex string to catch this situation?
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May 9, 2009
is there any function to validate if a string has only numerical characters? I can cross character for character and verify if it is a number. But I look for something simpler or if already a function like that exists.
I cannot use IsNumeric or IsDigit because it returns numbers to True with point or comma.
I need only numeric characters (no comma nor points
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Oct 18, 2009
I need to login into a secure site and download a zip file.I am using vbscript code and able to login into the target link. But after I log in file download dialogue box appears on the screen asking for open, save or cancel options.Is there a way, some internet settings or any kind of code, to disable this dialogue box.I want to automate the whole process from logging in till file is downloaded. I tried adding the site in trustedlist, disable download prompt in security but nothing worked.
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Apr 11, 2010
I am using the Folder Browser Dialogue to allow the EU to select a folder for HTML output. The dialogue always shows in the middle of the screen. Is it possible to set where the dialogue appears?It currently overlaps an image which is expoted to HTML, however when this image is exported, it captures part of the folder dialogue box. The image export routine is 3rd party and uses layers so I can not change the export function.Or is it possible to check the dialogue has closed prior to me performing the image export?
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May 26, 2010
This save file dialogue works fine except when they click save, the dialogue opens and then they close the dialogue. when they close it, my program crashes, every time. i'm using this to save it
Dim sfd As New SaveFileDialog
With sfd
.Filter = "Text Documents (*.txt)|*.txt|PHP (*php.*)|*php.*"
[code].....
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Sep 10, 2010
I have an annoying issue whereby a MessageBox is being displayed behind my splash screen. As the MessageBox is waiting for acknowledgement (that there is a validation issue, and thus leading to termination), the program gives the appearance of having hung on the splash screen.[code]...
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Sep 1, 2010
I am trying to open a dialogue box in background worker. I am trying this simple code, but I am getting an error about STA
Imports System
Imports System.Drawing
Imports System.Windows.Forms
[code].....
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Jun 10, 2011
Im using a Open Dialogue to capture the NAME rather than the path of a file.
How can i remove the path directory of opendialoge1.filename and just present the name of the selected file?
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Jan 28, 2010
I am trying to make a form that you can enter a serial (to validate the product) this is my code :
Private Sub TextBox1_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TextBox1.TextChanged
Dim T1 As String = TextBox1.Text
Dim T2 As String = TextBox2.Text
Dim T3 As String = TextBox3.Text
[CODE]...
The problem is when i first open my application and i enter my code it goes red, but when i re-enter the code in textbox 1 it works fine, how can i make it work without re-typing?
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Apr 2, 2009
This code makes the the download dialogue open for the file I want downloaded .
Response.ContentType = "application/octet-stream"
Response.AppendHeader("Content-Disposition", "attachment; filename=" & FileName)
Response.TransmitFile(Server.MapPath("~/Admin/EmailLists/" & FileName))
Response.End()
After the download dialogue opens I need a series of changes to happen on the page, but I have noticed all the code after this code will not run. Anyone know how I can make the page changes occur AND get the download dialogue to pop up?
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Jul 17, 2009
I am working with Vb.net 2005. I have used Crystal reports in some forms. The Crystal Report on the other hand use parameter field, therefore when you run the application an "enter parameter dialogue box" is loaded.
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