Delete Lines In Richtextbox That Fall Under The Condition?

Sep 11, 2010

Using this [URL] to retrieve both address and place name at the same time ("//span[@class='listingTitle']|//div[@class='address']/text()[normalize-space(.)]"), I can get a list of placenames and addresses like this in a richtextbox:

jh ryder machinery limited
convenience storage ltd 3344 rideau
rd, gloucester, on, k1g3n4
kitchen interiors 146 colonnade rd,
nepean, on, k2e7y1

The first line is bad, it doesnt have an address. Line 2 and 4 are good, they have addresses. So what I could do is:Check each line,if the following line doesnt contain "numbers + ON" then delete line. This will leave me with PlaceNames followed by addresses, which I will then split every other line into a new textbox, (so I have one textbox with placenames, and another with addresses).

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Select Case Fall Through With Not Condition

Mar 23, 2011

How to Add Not condition in the below select case.Is <> works for single value, and 'To' works for a Range but the value are specific values there are not series of numbers. Is it possible to use select case in this scenario, or do i have to switch to if-else. Ex: i don't want case to execute when value is 0 and 3.

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Delete The Spaces And Lines And @ From RichTextBox?

May 5, 2012

I want Split @ and " " and Chr(13) From RichTextBox? How do I delete the spaces and lines and @ From RichTextBox?

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Select All The Chars That Fall On A Known Line Of A Richtextbox?

May 18, 2009

I need a command that will select all the chars that fall on a known line of a richtextbox.

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VS 2005 : Draw Two Lines On The Same Time (1 Line On Rotate Condition)?

Sep 24, 2009

i want to draw a line on my picture box but i would like have another line but on rotate condition (on the same time i move my mouse to draw a line)

-i know how to draw a line

-i know how to rotate a picture

but i don't know how to combine that two things

Private m_LastPoint As Point = Nothing
Dim LPen As New Pen(System.Drawing.Color.Black)
Private Sub PictureBox1_MouseDown(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles PicPad.MouseDown

[code]....

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How To Delete Row Of Record Based On Condition

Mar 15, 2010

I am using vb.net 2008 and sql 2008. How can I delete the last row of a record based on the condition that if the column. FileNo is more than 15 then it should get deleted order by Fdate column desc. I want the rows should get deleted from starting from the last row.

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Add Lines In RichTextBox?

Aug 6, 2009

How to make RichTexBox when open a file to show the lines .To be like Notepad++ when open a file shows lines: Image:

Like .txt file thise sentences:

Hello!

How are you?

I'm Ok, Thanks for asking.

and when i start the program and open the file in richtextbox to show the lines of sentences . Like thise:

1. Hello!

2. How are you?

3. I'm ok, Thanks for asking.

How to be done? Because i'm using search button that show the word on what line is it.. so i need the lines people to know what line to search

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Add Values Richtextbox Lines

Mar 4, 2010

Can somebody give me a hint how to multiply each line in a richtextbox with a value?The richtextbox will have ex. 1000 lines with numbers, and I want to multiply all these lines with with a number.

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Number Lines In A RichTextBox?

Aug 20, 2010

I am working on a Programming notepad in VB.net, How would i add Line Numbers into a RichTextBox? An Example would be like in Notepade ++. Would i need to make a Class for it? I already have a class witch makes a richtextbox that when you type a word like "echo" it will change the color. Can i edit this to make the numbers? [code]

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Richtextbox Highlight Every Ten Lines?

Aug 23, 2011

I have a richtextbox, and I want to highlight the lines in groups of ten, alternating colours every ten lines.
I know I need to use:

Dim lineindex As Integer = Me.RichTextBox1.GetLineFromCharIndex(index)
Dim first As Integer = Me.RichTextBox1.GetFirstCharIndexFromLine(lineindex)
Me.RichTextBox1.Select(first, xxxx)
Me.RichTextBox1.SelectionBackColor = Color.Red

However I'm not sure what to put in Select to get it to select the whole line, and I'm not sure how to get it to change colour every ten lines (to yellow)

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Compare Offset Lines Richtextbox?

Mar 4, 2010

How can I get the sum from richtextbox, starting at line -1 ? But the first line should compare with line1.This code adds a constant to all lines and passes the sum to another textbox.

Dim num1 As Single
Dim sum As Single
Dim Constant As Single = Val(txtLowerTol.Text[code]....

So a third textbox should sum with one line "offset".

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Highlight Single Lines In A RichTextBox?

Aug 20, 2008

i am making a lua editor that highlights reserved words and so.However I stuck in a highlighting part.I've made the reserver-words highlighting function but I got no idea how to make it highlight comment lines.

Could someone please help me? I want a function to search through the richtextbox and find lines that start with "--" and highlight them with green color.

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RichTextBox On Click Select The Lines?

Jun 20, 2012

when I click on rtb how do I assign clicked line (text of that line) to a variable 'x' and a line below to a variable 'y'? I have so far this

SendKeys.Send("{DOWN}") 'Move cursor to next line
SendKeys.Send("{HOME}+{END}") 'Select the line

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Save The Richtextbox Lines Into A Listbox?

Oct 6, 2011

I have a Richtextbox.Text in my project and I need to save all text lines into a ListBox.Text .

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Switching Values In A Richtextbox Lines?

Dec 14, 2009

I have a richtextbox, with random values in each line:

a1,a2,a3
b1,b2,b3
and so on.

This textbox stores the values in a jagged array after lostfocus. What i am trying to do, is for the user to have the ability to 'switch' values in each line if he wishes to do so. Each switched element becomes the first, and the first goes where the old value was. So it's basically a 'swap'. For example:Line1: a1,a2,a3 --> user highlights "a3", right clicks and a contextmenustrip appears with the option 'switch', once he clicks a3 goes where a1 was and a1 goes to a3. So the new Line1 would be: a3,a2,a1. After that if he switches a2, new Line1 would be: a2,a3,a1 Once the switch is done in the array, redisplaying the data in the RTB is not a prob.

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VS 2008 Multiple Lines In RichTextBox?

Aug 26, 2009

How would I make it so that if someone presses a button, the richtextbox will have more then 1 line of text

RichTextBox1.Text = "Something like this, but 2+ lines"

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Forms :: Insert Multiple Lines Into Richtextbox?

Mar 27, 2010

I'm working on a program that inputs a text box text into a RichTextBox via a button click. But when I click a button, it over writes the text that is already in the RichTextBox. How can I prevent this?

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How To Hard Code Multiple Lines In A Richtextbox

May 18, 2010

I am attempting to hard code a richtextbox that has multiline characters upon the Load_Event. However, whenever I use the "&controlchars.newline _ " I get a syntax error and end of statement expected error.

[Code]...

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Random Lines Fom Text File Into Richtextbox?

Jan 31, 2010

basically ive tried a few different methods which i have come accross by searching but none seem to work.

code so far after removing everything that didnt work is as follows

Public Class Form1
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
End Sub
End Class

im makng a spelling test type application so that each word is on a different line and that are displayed in a random sequency.

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VS 2008 - How To Highlight Multiple Lines In RichTextBox

Jul 14, 2009

How to highlight multi lines in Rich Textbox and know which lines are highlighted?

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VS 2008 RichTextBox - Determine Lines Have Changed?

Apr 23, 2011

I am working on a way to determine if the lines of a RichTextBox have changed.I currently use this

Dim newhash As Integer = Me.Text.GetHashCode
If newhash <> Me._prevhash Then
Me._prevhash = newhash
Me._lines = MyBase.Lines

[code]....

But this method has a bad issue: The text property takes a while to "load up" plus getting its hash code adds to it. This code runs every time the Lines are needed (it is a property). So this

For i As Integer = 0 To Lines.Count - 1
Dim line As String = Lines(i)
Next

Takes ages to complete, because for every line it checks if the lines have changed.I am trying to evade using MyBase.Lines too much, since that REALLY takes ages to load.

- I can not use the modified property since it is unreliable (set to true if only a text color changes)

- Can't use the RTF since it changes without the text changing (coloring) and the hash code is slow as well.

- Can't use the TextChanged event, since it is sent after the SelectionChanged event (for some reason)

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Delete The Duplicate Lines?

Jul 30, 2009

i have lines like this in my text files.

2.0 28 Blue (2 14.00 63.0) [2 12.43 54.3] 42111 9275 55111 -1725
2.0 28 Blue (2 14.00 64.0) [2 13.50 55.3] 40611 9275 53611 5775
2.0 28 Blue (2 14.00 58.0) [2 12.21 54.3] 49611 9275 55111 -3225
5.5 28 Blue (2 20.00 17.0) [2 13.50 26.3] 111111 51275 97111 5775

[code]....

This are some of lines in my text file.they are duplicate lines in the tex file. I want to delete the duplicate lines because i only want the lines which have [T1],[T2....]... i higlight all the matching lines.

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Writing Multiple Lines To Richtextbox With Link Label

Apr 11, 2011

And just a FYI, I've spent about an hour looking this up... and I just can't seem to get it to work the way I wan't to. My application is simple, I have a "batch file editor". It has a richtextbox, a couple buttons for Open/Save/Test which are working fine.All I'm wanting to do is...

[Code]...

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Delete Lines From A Csv Using Streamreader Or Streamwriter?

Aug 14, 2010

I am writing a click event to delete an item selected from a list view which will utlimately be deleted from the csv file the information is coming from.Currently I am having streamreader read each line and then replace the selected line with a blank line. This creates blank lines in my csv files. Is there a way to delete a line using sr or sw without creating blank lines?Or is there a way to have them read/write a file skipping any empty lines?

My
If ListView1.SelectedItems.Count = 0 Then
MessageBox.Show("Please select a class from the upcoming schedule list.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Exclamation)
Else

[code]....

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Delete Lines That Don't Meet A Criteria?

Jan 19, 2011

I'm looking for a way to delete lines that don't meet a criteria in VB.net. I'll just give a example of what I want done below.

Basically, I want the program to go through a text document (Each line) and if the line doesn't contain a certain string it would get erased.

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Go To Specific Line In A RTB And Delete All Lines Above?

Jan 16, 2010

I have a RichTextBox.

I want to input an integer and the RichTextBox to go to that line and delete all lines above it.

For example, if I have 100 lines in the RTB, and I specify "25" as the integer, I want lines 1-25 deleted and for the RTB to keep 26-100.

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[2008] Delete Lines From Textbox?

Feb 1, 2009

i have a code that reads text from a source and put the source into a textbox. But i want to delete line 7 and 6 auto. How do i do that?

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.net - Textbox - Delete 3 Lines, Skip 1, Repeat?

Oct 22, 2009

I have a textbox that reads like so:

Line 1
Line 2
Line 3

[code]....

How can I use VB to loop through the textbox, deleting Lines 1, 2, and 3, skipping the fourth, and repeat? Or, rather, record every fourth line into a new textarea?

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VS 2008 Delete Lines In Text File?

Dec 27, 2009

remove line from text file?

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VS 2008 Listbox Delete Empty Lines?

May 11, 2009

ive been searching the whols google, and i couldnt find a ny solution.. i was wondering if someone here can help me out, i am loading a listbox items from a .txt files, and sometimes there are empty lines, there is a way i can delete them?

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