I have got quite a messy text file and put it in a list box so I can extract certain information from it. I need to interrogate it a line at a time and ask things like, 'what number comes after this word' and 'ignore this line if it says this' . Is this possible using the list box loop method (which I have only heard of never used) and does anyone have any examples of code? I'm on the latest VB Express.
View 16 RepliesI have a "Form" with:
1- List Box
1- TextBox
3- Button
1- OpenFileDialog
1- SaveFileDialog
I want that clicking the btn1 it shows the OpenFileDialog and read file that it has got this structure: SKI10 1 71 0 0 18 101 19 0 29 101 30 0 40 101 41 0 50 101 51 0 62 101 63 0 81 101 82 0 95 101 2 0 0 95 165 3 0 1072 01 4 2 1 93 15
I want that it reads all Line of the File and it add an Item in ListBox for line.For example the first Item of the ListBox in this case is
SKI1
And the 2th Item is in this case.
0 1 7
I want using the StreamReader classes.And i want that when i click an Item of the ListBox it shows the Text in the TextBox and I can edit the Line and that clicking antoher button the Item will come updated with new Text of the TextBox.I have also another button for saving the Mod.I can use the AppendText and it create a new file writing ListBox1.Items line for line.
If SaveFileDialog1.ShowDialog = Windows.Forms.DialogResult.OK Then Dim file_esistenteD As StreamWriter[code].....
how to read text from a listbox line by line and put current line in a label?
View 3 RepliesI'm having trouble with reading a .txt file line by line, converting it into a string, then putting it into a listbox. When I execute I get an error saying "IndexOutOfRangeException was unhandled" Here is my
[Code]...
I would like to have a button that pastes the contents of the clipboard line by line into a listbox.I think i have the logics that the clipboard would be made into an array and then i would loop through the array and add each one as a new listbox item.
View 9 Replies I am starting to learn reading and writing to textfiles. One quick problem. My code here
'Read is the variable that will read the kp.txt file"
Dim read As IO.StreamReader
read = IO.File.OpenText("C:2/kp.txt"[code].....
however when it is read into the listbox those 3 words appear on one line in listbox
How can i make it so that each line of the textfile is placed in each line on the listbox?
I need to load a .txt to a listbox then how to read line by line?
then import the line which is being readed to Textbox
I am wanting to extract data line by line into labels(each line of data to go into a new label)In the example (picture), only one label is showen.
View 6 RepliesI am making an application where the listbox will load a text file that contains a number of different strings on each line. I want my application to interact with the first line, then go back, interact with the second line, then go back etc etc. The number of lines that will be in the listbox isn't set, and will change according to the text file that is loaded.
View 8 RepliesI'm having trouble reading line by line and adding to the listbox.
[code...]
As the Thread title says I'm trying to add items to a listbox via a txt file.Each file of the .txt would be an item in the listbox .I've tried loads of things and it's not working or I'm failing on something .
View 2 RepliesOk, so I`ve been studying a bit of VB lately.. bought a few books and read lot`s of articles and seen hours of instructional videos, and I slightly start to get the hang of a few things.. :) I`ve recently started a fun little project, but I seem to lack a bit of knowledge to reach my goal. I`ll first try to describe my project:
[Cde]...
I know this sounds some what odd, But i really need a program or some code that can hit the Enter Key on a time base say 22min
etc.
Hit will hit the key and top not hold.
I am needing to copy the selected item from one listbox to another if it contains the string "New ". Here's what I've got:
ListBox1.Sorted = True
Dim count As Double = ListBox1.Items.Count
For i As Integer = 0 To CInt(count)
[code]....
Also, basically the code is going to select the first line of code, see if it contains the string, of so copy in to listbox2, then delete the line. It will go through 50 lines.
how can i delete line 1 from listbox?
View 13 Repliesi would like to do it almost the same way like in my recent other topic, read a file and put every line of it in a listbox.
View 5 RepliesHow can I change line color at run time? total 17 gridline showed in the graph, I only want to see 5 grid line and hide rest of gridlines when I use radar chart.
View 1 Repliesi know in java and other nice languages it's possible to comment out a bunch of lines at the same time. is it possible to do this in vb.net?
View 5 RepliesI want to print receipts with long spool of custom made paper through Epson LX-300 dotmatrix printer without stop. The idea is that if I can print a line at a time, and then add a few blank lines to space it in between, that will be great. You know, send a line of a text at a time to a printer. But I do not know how to do it with VB2005. If I use Crystal Report, it will insist to print the whole page! While the length of the receipt is always different depending upon the numbers of things purchased.
View 10 RepliesHave been trying to scroll one line at a time on my Richtextbox1 for quite some time - Hit upon this code which doesnt seem to work.
Class RichTextBox1
Inherits RichTextBox
<DllImport("user32.dll", CharSet:=CharSet.Auto)> _
Private Shared Function SendMessage(ByVal hWnd As IntPtr, ByVal Msg As UInteger, ByVal wParam As IntPtr, ByVal lParam As IntPtr) As IntPtr
[code].....
I'm using visual studios 2008, VB9 and I am trying to write an app that basically performs calculations on a set of data input by a user. During the calculations, I want to display the data at each step, and have it retained in the display area on the GUI (not overwritten by the next data being displayed).
For example:
UserInput = 1
Do
UserInput += 1
[Code]....
I tried this, and other loop structures and can't seem to get things right. The actual app is a bit more sophisticated, but the example serves well for logical purposes.
I have a ListBox that I add items to using the standard:
ListBox1.Items.Add(whatever)
I would like to increase the space between entries, but not adding a blank line, since I do not want a blank option tha thwe user could click on. Is there anyway to do this?
I have tried:
ListBox1.Items.Add(whatever & vbCrLf), but no change.
I am loading a listbox with lines from a txt file. Now I would like to be able to edit values within that listbox by going there with the mouse cursor and type a new value..
E.g. the listbox displays:
7226218; Hemlock; 22.55; 4
0822722; Pine, Sugar; 11.55; 7
After editing it looks like:
7226218; Hemlock; 22.55; 2
0822722; Pine, Sugar; 11.55; 7
After pressing an "accept button" those values should then be written back to the txt file.
I'm having a little trouble deleting multiple lines for a listbox. I know how to remove a single line, which is this: [code]If I change the value for IndexOf to SelectedItems, I get an error stating that -1 is not valid for index.I am guessing this needs to be done using an integer array and a for each but I don't know how to do that. I really never bothered to look much into arrays.
View 1 RepliesHow do I get the same data from one row into a listbox to be on the same line?this code is what I'm using to put data into the listbox:
Dim da As New SqlDataAdapter("select ESTID, JobName from Job where JobName = '" & strJobName & _
"' or ProductIDA = (select ProductID from ProductCode where ProductCode = '" & strMaterial & _
"') or ContractorID = (select ContractorID from Contractors where ContractorName = '" & strContractor & _
"') or Date = '" & dteDate & "'", connFabList)
[code]....
how I can read a specific line's value in a listbox.fx I want to read the value of line 4 in a listbox to add this value to an Integer, which I can subtract from another value?
View 5 RepliesHow can you remove a specific line from a listbox? How can you like make it so instead of password it would show ******* but on a listbox because it doesnt have passwordchar option. and how can you make it save the listbox data in the my.settings
View 16 RepliesI want to load the text file in Listbox and put the text in a box on webpage....My Text File Contains like this :::
sumit
suman
sandeep
[code]....
but...i want to get this on a webpage in this form...>> sumit,suman,sandeep,sanjayban,sankalpbana.......and so on..
So far this forum has been awesome answering my questions in full. I am very new to Visual Basic but I enjoy learning about it greatly. My question now is I now need to get all of my answers lined up neatly in the listbox using "zoning." Now I have know clue how to start this. Basically I need to make this..
Sum: 5 = 2 + 3
Difference: -1 = 2 - 3
Product: 6 = 2 * 3
[code].....
I'm using Visual Basic 2008I've been trying to create a auto typer where I can put a whole page of words into a rich text box and the auto typer then pumps the words out one at a time.The code that I use is:
Timer1.Interval = TextBox1.Text
SendKeys.Send(RichTextBox1.Text)
SendKeys.Send("{Enter}")
That code would just type all of the words at once. Also, I'm putting the words in a rich text box. How could I save the rich text box so that each time I load up the application it still has all of the words in it?