VS 2008 - Variable Divider Ex. - Numbers From My Textboxes In The Range Of 20 To 60

Mar 4, 2010

I need a variable divider ex. i have numbers from my textboxes in the range of 20 to 60 i want a divider that will divide them in a range of 2 to 6 so if the number is the lowest 20 the divider will divide him with the lowest of his range number 2 if the number is 40 the divider will divide him with the number 4 if the number will be 45 the divider will divide 4,5 and so on a variable divider.


VS 2008 Error: Range Variable 'sender' Hides A Variable In An Enclosing Block Or A Range Variable Previously Defined In The Query Expression

Mar 25, 2010

I am getting the error:"Range variable 'sender' hides a variable in an enclosing block or a range variable previously defined in the query expression."for this

Imports System.Data.SqlClient
Imports System.Linq
Public Class Form1


I can select any other item from the table without the error. "sender" has the same properties as "receiver" in the SQL table.

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I have 5 columns of 11 textboxes each on my form the textboxes are generated with this code

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'column 1 textboxes


i need a code to generate all the possible combination of the numbers a user types into the textboxes i have two images (Panel3: the textboxes where added during design time) image2: the textboex were added using the code i gave about

generate all the possible combinations of numbers typed into the textboxes (Example see panel3.jpg image),

The user will type in the desired unique numbers into the textboxes without repetition (Please see the image i did not repeat any number, so can the code detect when a number have been typed twice?) Else when running the program i will be carefull not typing two numbers twice, but its adviceable to detect when a number is typed more than once.

Then the amount of unique number the user will type or supply to the desired textboxes does not matter here and as you can see in the image the amount of numbers in each column is not the same ie it may or may not be same amount (but number must be unique. Please try and see if it can be done to prompt user to enter the amount of numbers to supply in each column)

Then After supplying the numbers just like the one in Image, The button Click will generate all the Possible Combinations of the all the numbers typed into the textboxes in the columns.. Then After generating the combinations in the Listbox, the next Button will be able to delete them from the Universal 90c5 just like the former.

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Apr 7, 2009

Im trying to write a program that will do:

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2.The maximum and minimum values. These will be denoted by changing the color of the largest number green and the smallest number red.

3.The range of the numbers. The range is defined as the difference between the largest and smallest numbers. The range will be placed into its own text box, labeled as such. This text box cannot be changed by the user."

Im using visual studio 2008 and it has to be written in VB

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Feb 3, 2010

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Jun 21, 2010

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Apr 23, 2011

Write a program that will allow the user to be able to choose whether they want to add up a range of numbers in one of three different ways. 1) even numbers 2) odd numbers, or 3) consecutive integers. Use buttons for user choices.

Instead of limiting the user to just adding up these numbers you will also supply an Average Button that will show the average of the numbers rather than just the sum. Only the result that they have selected should be visible.

The program should look similar to the program below:

This is the program I was asked to make.

my code soo far is.....


I couldn't figure out the formula to use for this but I assume its the same for each part of the program just with a little change.

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i.e. Table Data
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4345 Mike
3456 Lee
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There will be many more names but for this example you could use 3 or 4 etc..

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Dec 29, 2008

[URL] I'm trying to do an exercise on that website but it doesn't show the answers to the exercises..

I've gotten everything to work except one thing. I can't get the right numbers inside the textboxes! I've been sitting here for like an hour trying to use a case statement.. it didn't work for me so I tried to use if then statements and I still couldn't get it to work!

Here's my code for that part:
Ignore the second if I was desperate xD
Private Sub btnSubmit_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnSubmit.Click


And for the Case statements, if I wanted to use it for a range of numbers, do I write "Case 1 To 10" and that's numbers between 1 and 10? Is that right?

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Oct 28, 2010

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Mar 31, 2010

I want to make a program like this but not with random numbers ! I want it with A list from ".txt" or "from number 1 to number 999999999"

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[Code] .....

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I have a problem whereby I have 10 text boxes and I don't like to use the same code for each and every text box that allows users to input only numbers, which could be very long and messy coding.

Is there any shortcut that I can set all (not just one) text boxes to allowing user to input only numbers?

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I figured there would be some simple way to set up some textboxes to allow ONLY numbers or ONLY characters, however I haven't found an easy way yet.

Is there a simple trick to setting something like this up? And if so, how would I do it?

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Jan 11, 2010

On Form Level, I use following codes to make textboxes to accept only numbers,How to add these codes in main module, instead of of writing these codes on every form.

If TypeName(Me.ActiveControl) = "TextBox" Then
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If Not IsNumeric(.Text) And .Text <> vbNullString Then


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Apr 13, 2011

I have created a sample program that dynamically created up to 7 numbers of Labels and Text Boxes. Here I want to add those numbers inputted by user on dynamically created text boxes.

Dim WithEvents TxtBox As TextBox
Dim WithEvents LblLabel As Label
Dim NoOfControl As Integer
Dim A As Integer


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Aug 12, 2011

I have made my calculator and it has 2 textboxes where the 2 numbers (or values go for addition and subtraction) are input and a label where the answer appears. There is other things on the page such as quit, clear etc thats all done but i have one query. I noticed while testing a problem occurs when only one number or value is put into a textbox and a command is hit. For example. one textbox (txtnumber1) has one number in it then i hit multiply and it says the error of course because its not programmed to deal with this (or divide by 0 of course) so i was wondering how i could make so when this happens a MsgBox appears saying a value must be in both boxes or when divded by zero is says something similar.

The line of code:

Private Sub blah blah blah...

If txtnumber1.Text = False Then MsgBox("Please Input Valid Value")

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I however have not been able to make it work.

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Oct 14, 2011

On my form, i've got some textboxes and some richtextboxes. I'm using the following code, to search through the text properties of each of the two types of control. see below:-

For Each ctl As Control In Me.Controls
If ctl.Text = "7777" Then
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What i'd like to do is isolate the textboxes only, is there a way to do that? I tried this but i got an error:-

For Each box As TextBox In Me.Controls
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Jul 19, 2010

I'm developing an app that should allow the client to add several content sections to a page (in tabs). However I haven't found a way to easily create a form for editing the tabs.Assume for now that a tab just contains a title. I have a form that adds a tab, that's simple. But I also want a form that displays a text input for each tab and allows the titles to be edited and saved. I'm struggling with two main concepts:How to dynamically display the fields after grabbing the tab data from the database (each tab has its own row in the table).How to loop through the submitted data and update each tab in the database.How to select a particular text field from the number (e.g. given "1", how to select the element with ID "TabTitle_ 1".[code]I thought something like TabTitle[0] would be acceptable and allow for easy looping (as it does in PHP) but it's "not a valid identifier" apparently.It's very possible I have the approach completely on its head.

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Oct 16, 2010

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The question is in line 2. Syntax "textbox_n.text" is not right. How is it possible to read from textboxes using cycle and variable n?

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May 12, 2009

I have a windows form on which there is a textbox and a command button. When user inputs an integer in the textbox and clicks on the button, the userform grows and adds that many number of comboboxes and textboxes in a panel.

how to add variable number of comboboxes and textboxes at run time.

The maximum value of that integer would be 10.

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