VS 2008 - Set Up Name Entry In A Text Box
Mar 21, 2010
I'm trying to set up Name entry in a text box, and I don't know how to make it so it is Letters only, not alphanumeric. (spaces too) How do I set up a date label for the form using the current date? On a try statement, I'm attempting to set up two different Quantity exceptions, one for radio buttons and one for quantity in a text box, is this possible or do I have to break it up into 2 statements? Or do i have to set up a numeric if statement like I'm trying to do with the name entry.
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Sep 8, 2009
i am pulling together a cash register that will allow both bar code product entry and manual key entry.imagine if you have a tin of beans in front of you, in a small corner shop they would probably type "47" and then hit "Produce". Fairly straight forward as I have the button Produce to act upon my code and update my salestrans.mdb but,if you scan the bar code I want the same form to handle both 'real' actions, (i assume that keyboard emulation barcode scanner includes "ENTER" after providing 13 digits)....
Q. in perhaps a long winded way i want to know how to kick off an event based on the "ENTER" key being activiated by the barcode scanner)?i do not want to have to hit any buttons if i am scanning bar codes.
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Nov 4, 2011
What is the code for ignoring the case of an entry while checking to see if the entry is correct or not... (i.e. in a flashcard program... given definition, asks for the name) I don't want the case of a character to affect whether the answer is correct or not.
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Jul 10, 2009
I am trying to make a program with a bar code reader for the first time. I am programming with VB 2005. I want to differentiate a bar code entry to keyboard entry. My questions:
1. Does bar code reader generate a keydown (or keypress) event for each of the digits of the entry? For example, if the barcode read: 1234567890, does that mean that there will be 10 keydown (or keypress) events for that single barcode that was read?
2. I have read from the posts that the best way to differentiating keyboard vs bar code input is to analyse the time between keystroke (for less than certain number of milliseconds).
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Jun 21, 2010
I was able to successfully connect my database using connection string, i am having a hard time finding tutorials on how to add the items in a textbox. [code]...
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Sep 27, 2010
I need to change the Text property in several menu entries, for example to display several of the last files that were opened in my App.
I save the names of the last files opened, in the proper sequence, in a file that is called when my App starts.
When the App starts, the names stored in the file are assigned to the menu fields, such that the user only has to click on the desired file to load.
When the user opens a file not listed, the new name is added at the beginning of the list, and the file names are re-assigned to the Text property of the menu entries.
This works fine in VB6, but when I re-assign the string in the Text property, some menu entries are updated, but some are not.
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Apr 5, 2012
i have to make a program thats a telephone directory. All the information is in different text files. The user has to be able to delete and add people to the directory, i have made it so they can add peple no problem but im having a hard time with the code for deleting them. The questions requires that they only type in the persons name and then they are delted but in the text file they are listed as Fred,123-1234 so when they hit delete the person does not get deleted becuase it is registering there full name as Fred,123-1234 i need it so that it just sees the word Fred and deletes it heres the code. I cant figure out how to do it itried using a query but that didnt work either it just looped infinitely.
Private Sub btnRemove_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnRemove.Click
Dim Removename As String = txtName.Text
If Removename <> "" Then
[Code]...
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Apr 8, 2010
Here's a silly question. I cannot believe I've spent so much time trying to figure it out. I have a textbox where I enter numbers, such as 12, 12.3, etc. I would like this data to display as 12.0000, 12.3000, etc. My line of code looks like this:
[Code]...
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Jan 28, 2009
Is it possible to name the txt file when I create it based on a text box entry?
If for example the text box was called variable, could I take the information in that text box and name the file that.
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Feb 25, 2012
(If a letter is entered it need the program to show in the text box invalid entry)
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Apr 1, 2010
how to set the value of a Public Class variable to a text box entry?
I have a variable declared in the Public Class that was assigned to a public variable and I want to be able to have user entry via textbox.
If i change the variable to an integer and set it to textbox my program wont build.
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Mar 11, 2010
I have the following code for part of an application I'm building and I need some instruction on how to store this value and carry it to the next part of the program. Private Sub dateEntryTextbox_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles dateEntryTextbox.TextChanged
[Code]...
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Jul 21, 2011
Okay, I've got a datagridview in my WinForms app that auto-builds the column list from a datatable schema. It's working fine, except that it allows the user to enter values too long for the database field. For example, I have a "name" field that is defined in the Sql-Server database as a varchar(50). Is there any way to limit that cell (column?) so that it only accepts 50 characters? Right now it lets them enter anything and throws an exception later.
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Jul 11, 2009
I am trying to make a program with a bar code reader for the first time. I want to differentiate a bar code entry to keyboard entry. My questions: 1. Does bar code reader generate a keydown (or keypress) event for each of the digits of the entry? For example, if the barcode read: 1234567890, does that mean that there will be 10 keydown (or keypress) events for that single barcode that was read?
2. I have read from the posts that the best way to differentiating keyboard vs bar code input is to analyse the time between keystroke (for less than certain number of milliseconds).
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Mar 27, 2010
Auto-Complete text box based on previous entry
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Mar 2, 2010
We have some predefined strings that can be inserted into a text box during data entry via a button click. How can we track the cursor insertion point so the inserted code is in the right place if the user clicked somewhere in the middle of the data before clicking the button?
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Mar 20, 2012
I just want to open a form based on a users input into the textbox
Public Class MainForm
Private Sub PictureBox1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TagBox1.Click
Form2.Show()
[CODE]....
I already have it opening the form2 based on a click from the picture, but decided aginst that design. Also any design on form2? (below) I am storing values for tags inside the forms....
Public Class Form2
Private Sub saveButton_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles saveButton.Click
My.Settings.SaveTitle = TextBox1.Text
[CODE]...
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Dec 6, 2011
I'm trying to create a program for my kid cousin; It's a small learning program for him since he is just as interested in cars as I am; and a fun change of pace for me learning something I've always wanted to try!I believe I've got it all figured out; except for how to make the text box entry relate to the message box pop-up. I want it so he learns how to type/ spell/ learn about cars; and to be more of a challenge to me.Here is the program I have started; and a screen cap of what the program physically looks like.
[code]...
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Oct 16, 2009
All I want to do is to stop my application at a certain point, wait until a certain key is pressed - say for example the space bar, then continue execution. How simple is that! Any other normal programming language, this would take me a few secs - but not VB2008
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Dec 7, 2010
basically, i have a database full of records and i want my list box to be able to display all the data from one column in one table in it. i can do this, but only when i enter the same amount of items into the listbox's "items collection" as the number of records in the database. other wise with my code alone, i get this error message:
Incorrect coding?:
ListBox1.Items(inc) = ds.Tables("TTDB").Rows(inc).Item("ChildName") -
Error Message:
InvalidArgument=Value of '0' is not valid for 'index'. Parameter name: index
[code]....
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Jan 17, 2010
How can I Tell Visual Basic or Studio to alter the entry point other that its default one(The first Form)[url]....
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Dec 29, 2011
Im trying to build a user control to enter date as dd/mm/yyyy. I want to create a text box control so the user can enter the date without making a mistake.ex:-Lets assume that the user is trying to enter 31/03/2010 so when the user types 3 first the next number allowed should only be 1 or 0 because there cant be any date more than 31.and if the user enters 31/ then he should only be allowed to enter a month which has 31 days. Im trying to implement this codes in keypress method.So it checks the errors at runtime and prevents the user from typing a wrong value.So far i have got to something like this but Im stuck.Please help
Dim IndexOfCursor As Integer
IndexOfCursor = textbox1.SelectionStart
chr = e.KeyChar
[code]....
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May 15, 2010
I have a VB.Net application that connects to a SQL Server database on my web host at GoDaddy. I'm wanting to use it for a chat program so that users can add messages to the database and then everyone else gets the new messages when it re-queries the database.
The only problem is that the only way to get the new messages is to re-query the database every # seconds.
Is there any way to have my program not re-query the database until an entry is added by another user?Would the SQL.SQLNotificationRequest be used for this?
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Dec 16, 2010
I've been coding a Windows applicaton for the past seven months but there aren't a lot of "windows" in the application so I have a question on getting and returning data from forms. I display a form and the user makes a listbox selection then presses Ok. Normally I can proceed from there (in a class module) with values from the config file, but sometimes his selection will require me to ask for more information. So I want the class to display a form, pass control to it, then when the user hits OK on this form, return to the class. What is happening is the class continues with all its inline code and function calls and doesn't show the form until the end of its current function.
Dim flClientInputFile As New CFile
Dim flPreparedOutputFile As New CFile
Dim lRecordCount As Long
Dim sProcessing As String
Dim sTest As String
Dim frmAbc As New frmAbc
frmAbc.Show()
frmAbc.Activate()
x()
When I run and step through this code, I find I'm in x() before I even saw the form. x() needs the data the user has entered on frmAbc in order to continue.
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Oct 23, 2010
I'm creating a project with an Add-on system, and I'm releasing an API so people can develop for my application (its called Levanta, its a basic Sub-OS, and i want people to be able to develop for it). I try to call a sample DLL i made to test out the system i created. Well, i CANT, because its not finding the functions entry point of the said function (its named initialize)...?
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Aug 30, 2009
Seeing how Notepad++ does this, is it possible to achieve something like this:using Registry class?
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Feb 10, 2009
I'm successfully refreshing my DataGridView/Access DB by using the following.[cod]My only problem is after the refreshes the DGV rolls back to the first entry.Is there anyway to have it refresh but stay on the same line?
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Aug 31, 2009
I am developing a program and stuck up with an issue. I am able to enter single value in MSAccess database however, when I create a programe to enter multiple entries I am getting an error. developing a code to enter multiple entries in MSAccess 2002 db with the help of VB based form?
I Following code I am using for single entry:
Private Sub Button1_Enter(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button1.Enter
Dim query As String
[code]....
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May 3, 2011
I have an application that has 3 list boxes, one selects a workshop, the other a location. the third is to display selected costs.to do the calculation a loop is required. i have written the code but when i calculate the cost the final result to be displayed ends up as being the cost of the last work shop and location * 3,What is supposed to happen is the location is multiplied by the number of days(3 in this case) and added to the workshop cost.the loop is supposed to add all cost from the list box till all have been added.what is happening is the calculation goes to the last entry as stated the multiplys this total by number of days(dbl)?
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Apr 10, 2012
I am having trouble getting the Student Name entered in the Student Name Form to change the Text titles of the GroupBox's on the Main Form and Schedule Form. I understand the logic of what needs to be done to some extent, but I am having trouble coming up with the correct coding.
Below is a snippet of the Student Name Form code that I tried most recently just to see if I could get any change to happen to the other 2 Forms when the Accept Name button was clicked. As of yet, I cannot get a change to happen at all in the groupboxes of the other Forms.[code...]
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