How would you go about performing calculations on parts of inputted text in vb 2008?For example: if i wanted to find the number of "a's" in the first 9 letters divided by 9 and add it to the second number of "a's" in the second set of 9 letters divided by 9. Then output the total in a textbox.
View 7 RepliesI was trying to increase the date value in a textbox automatically be 1 but wont let me do it. I have try to go through the Help but couldnot get something meaningful (or let say i do not get where to go).
View 2 RepliesI have an Access database that has thousands of records. The fields in the database are EMPID, FIRST, LAST, JOBTYPE and PAGES. I would like to know how to loop through the database and for each individual EMPID to calculate the sum of the PAGES foreach JOBTYPE. There are four JOBTYPE's: "E", "K", "O" and "R".
Her is some code:
Dim
WebAllEmployeeQuery As
[code].....
I am trying to put together a simple form with prices assigned to Radio buttons and check boxes.
I started by creating a simple form with four Windows Form control, two check boxes and two radio buttons, there is also a NumberUpDown Control for quantity but I have not added that yet.
Basically the user make selections, the price is calculated with total and subtotal and displayed on a label.
I am trying to start as basic as possible then work my way up to more complex calculations as I progress.
Here is my Screw up version: :)
Public Class Form1
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
[Code]....
I have an Access database that has thousands of records. The fields in the database are EMPID, FIRST, LAST, JOBTYPE and PAGES. I would like to know how to loop through the data table and for each individual EMPID to calculate the sum of the PAGES for each JOBTYPE.There are four JOBTYPE's: "E", "K", "O" and "R".Here is some
Dim WebAllEmployeeQuery As String = _
"SELECT ELPallEmployees.[EMPID], ELPallEmployees.[FIRST], ELPallEmployees.[Last], ELPallEmployees.[JOBTYPE],
[code].....
As part of an assignment, I need to add numbers which are displayed in a rich text box. The numbers are read from a text box. The user needs to be able to input the numbers as many times as possible. Since, the numbers all come from the same text box, I am unsure how to retain the old information and add the new information to it.Since I am not really able to make my point clear, I attach this picture: RTB.PNGAs you can see, I also have a problem with the heading repeating itself. Is there a way of forcing it to only appear the first time?Here is the
Private Sub AddMoreItemsToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles AddMoreItemsToolStripMenuItem.Click
'Retrieve number from textboxes
[code].....
I'm fairly new to VB and I had a quick question. I have a multi-line text box that currently looks (line for line) like this:
scn <Name>
Begin <Start Variable>
End
What I am trying to do is make so when I enter text into a different text box (lets call it textbox2) and push an 'Update' button, it replaces a certain part of the original text box. For example:
If I enter "Dogs and Cats" into textbox2 and push update, then this:scn <Name>
becomes this:scn Dogs and Cats
How would you do that? Excuse my lack of VB programming lingo like I said I'm new to this language.
OK, so the following is a link to a picture of my program. I'm including it because I feel it makes things a lot simpler. some information. When you click Rename, it goes to that Rename form. The information already there is the current name. What I plan to do is make it easy to rename the file.What I want is when the user clicks one of the handy buttons, the information appears in the text box (as I've gotten that far already). When the button is clicked again, it removes ONLY the specified information. I don't know if you can, and if you can, what to use. Currently I'm using clear which is obviously wrong. I want essentially:
When button is selected
Append Text Variable A
When button is deselected
[code].....
what is the command line to single out certain parts of text from a string only..for example string = "Hellodullardtomboy".what is the command to capture only the word "DULL" between "hello" and "ardtomboy" only.
View 5 RepliesI am using a label to display a song for an mp3 player. I wanted to scroll the text inside the label for anything that is longer than the label width. I figured out the width of the label and if the width of the text inside the label is longer. But I have no idea how to turn this into subtracting parts/pixels of the text currently displayed and how to append the subtracted parts to the end of the new text.[code]
View 3 Replies(Just to give some backstory) I'm making a program to easly create ReadMe's for Fallout 3 mods, and you can check some boxes to show what offical extension you need in order to run that mod. How can I only show parts of a text line? The line will be like: Requirements: (First Extension), (second extension), (third extension).
[Code]...
I want select portions of the file and then display them on my site,I thought maybe a combination of objReader and a do loop of some description with a delimiter in the text file to indicated when the program should start or stop reading the file.
View 5 RepliesI have to use the financial.pmt method and display the calculations to certain text boxes?
'Tyler Fritzinger
'Mr. DeCava
'VBI
'Quick loans project
'9/22/11
[code]......
How do I start writing a program that has 6 text boxes. A person would enter a member number if they have one, number of movies rented at $1.80 a piece. A Text box should then display Total Rental Price, and if a member number was entered, a 10% discount is given (the total of the discount shows up in another text box) and after there discount is applied the Amount Due is displayed in yet another Text Box.
My boxes are named:
memberNumberBox
moviesRentedBox
rentalPriceBox = $1.80
totalPriceBox
discountBox
amountDueBox
This is all supposed to happed when the customer clicks on a calculation button named: Button1
This is what I have so far, but I don't even know if this is correct, as I am getting 1 error relating to a name not being declared. Please help and clue me in to where to start!
Public Class Bonanza
Private Sub memberNumberBox_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles memberNumberBox.TextChanged
[CODE]...
I'm writing a program for my class, which pretty much is an energy cost calculator. It takes 4 inputs from 4 text boxes and multiplies them, and the result is the cost. Well, now I have to come up with a way to check for empty text boxes and display a prompt to enter a number. I've tried inserting multiple codes to display a prompt and to no avail nothing has worked, I also receive the error "when casting from a number, the value must be a number less than infinity" error.
View 3 RepliesI'm trying to grab or display certain parts of text from a websites source code from my web browser control on my form.
I've tryed displaying the whole source code into a textbox (a lot of lines) then trying to retrieve the text I need but with no luck.
The part of the source looks like [code]...
how to go about populating some text boxes with results from calculations. To be more specific, I'm trying to do some trig to calculate various parts of a ci0rcle and will be populating any two of the text boxes then click on a button to get the missing values. I was thinking along the lines of a loop until all values have been calculated.
View 14 RepliesI am wondering how to style text like in Notepad++ when you have certain operands and it changes their color.
View 3 RepliesI am using Streamreader to read a text file containing data such as the following:
IN;SC;PU;PU;SP1;LT;VS10
IN;SC;PU;PU;SP1;LT;VS10
PW5;PU4179,27448;PD4179,29951;PD3244,29951;PD3244,30286;PD5494,30286;PD5494,29951;PD4555,29951;PD4555,27448;PD4179,27448;
The final goal is to use the numbers next to the PU and PD characters to perform specific calculations.
Essentially, I think the code needs to do the following:
1. Read each block of characters ending in a ";"
2. If the block commences with anything other than PU or PD, discard it
3. Extract the numbers in such a way that calculations can be performed. The following is an example:
x y
PU4179,27448;
PD4179,29951;
[Code]....
Essentially, there will be hundreds of these rows and I will need to sum up the deltas so that a specific formula can be applied.
I have tried doing this a number of ways but each seem very inefficient (using text boxes to store/swap data and creating additinal text files are 2 methods I have tried) and so I'm looking for some direction.
I have a program that generates text tab-delimited files with a header row and sometimes a units row followed by data.
Example:
FirstName LastName Birthday
Michael Jordan 6/6/66
Alan Jackson 7/7/77
or
FirstName LastName Birthday
Name Name Date
Michael Jordan 6/6/66
Alan Jackson 7/7/77
I would like to be able to perform SQL queries on these files. How can I connect to a text tab delimited file to either pretend it is a database table or import it into SQL as a table, preferably through VB.NET? I could have 300,000 rows, and the fields are all numbers, not text... I have manually imported these files into SQL before using management studio, so I know it is possible but I would love to be able to do it programmatically.
Is there any way I can get the SQL code from this process because it does exactly what I need it to do but it is manual. There is an SSIS package that I saved, but I do not know what that is.
can i detect if a text box is showing 15 and descending and then perform an action?
View 5 RepliesI have a Comma Separated value file in .txt format... simply put, its a bunch of data delimited by commas and text qualifier is separated with ""For example:
"So and so","1234","Blah Blah", "Foo","Bar","","","",""
"foofoo","barbar","etc.."
Where ever there is a carriage return it signifies a new row and every comma separates a new column from another.My next step is to go into VB.net and create an array using these values and having the commas serve as the delimeter and somehow making the array into a table where the text files' format matches the array After that array has been created, I need to select only certain parts of that array and store the value into a variable for later use.... how to make the array and selecting the certain info out of it..
Design a form, which contain a TEXTBOX control that accept a UserID input, with a CommandButton control to perform a validation based on the criteria listed below. Display a Message on whether the UserID is Valid.
Criteria:
The UserID must contains SIX digits follow by a single character, limit the entry to a maximum of seven characters only.
The postfix character of the UserID is derived from the summation of all the six digits divided by seven and using the remain as followed:
Remain
Character
0
A
[Code].....
I have a DataGridView which displays info from a Database. I need a couple of the columns to be able to do basic calculations such as +, - etc - nothing more complicated really. I am a bit stuck as to how to gte this working.I have tried the code below with no joy:[code...]
View 7 RepliesI am doing homework, but i've done the work already. My Issue is, I cannot get my program to compile the calculations for the payments properly. Maybe I'm just too tired to see it, but It should be working from my view. Here is what i have so far...
Module MortageCalculatorWK5
'Loan Amount Input
Dim LoanAmount As Decimal = 200000
[Code].....
I'm very new to programing and am having problems trying to perform some calculations with a list. I have read in an array into a list with a count attached to each item example: "xxxxxx(intcount)". What I'm trying to do it use two xxxxxx(intcount)'s at xxxxxx(intcount+5) and xxxxxx(intcount+25) and use these two variables to calculate yyyyyy(intcount) but it isn't working. I understand this may be a stupid question but could someone please point me in the right direction.
View 6 Repliesi am having problems getting my code to delete certain parts on an XML.I've tried..
DirectCast(ListBox2.SelectedItem, Data.DataRowView).Item("name").Delete()
DirectCast(ListBox2.SelectedItem, Data.DataRowView).Item("description").Delete()
DirectCast(ListBox2.SelectedItem, Data.DataRowView).Item("manufacturer").Delete()[code]....
But get Quote: Public member 'Delete' on type 'String' not found
I have a xml document that i want to edit, for example true texboxes, any other way would also be welcome :))
[Code]...
Im dont know whos familiar with acronis but im using the command line version and some scripts i made to restore data to hard drives.The program is running in CMD, so its should be doable. It also not only needs to redirect but keep the CMD windows open so i can input y/n if is requires it. [code]...
View 3 RepliesI have 4 textboxes three for input one for output. Basically what it does is takes input from textbox1, 2 and 3 then combines them in textbox4.here is an example:
textbox1.text = "AA" textbox2.text = "BB" textbox3.text = "CC" textbox4.text = "AABBCC"
what I am trying to do is is compare the input with the output.so take the first two characters in textbox4 and see if they are the same as in textbox1. then take the second two characters and see if they are the same as textbox2.
I know how to do it for just one string of characters but I am not sure how to seperate out different letters in one textbox.