Removing Bad Characters From SQL Statement?

Aug 13, 2011

Currently I have a class that checks for apostrophes and doubles them up like this

Shared Function CheckForBadCharacters(ByVal MyString As String)
Dim finalstring As String = MyString
finalstring = Replace(finalstring, "'", "''")
Return finalstring
End Function

Works fine, of course i need to reverse this when retrieving - however is there a better way ?

[Code]...

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Regex - .NET: Manipulating TextBox Input: Dash Every 5 Characters And Removing Special Characters?

Dec 21, 2011

Essentially I am trying to replicate the Windows 7 (In-Windows) activation key TextBox form. The Form where it will auto capitalize letters, remove or deny all non alphanumeric characters except dashes every 5 characters that will be auto-input.I assume this can be done with a fairly complicated replacement Regular Expression but I cannot seem to create one to fit the needs.

This is an Example of what I have right now, but it creates an infinite loop as it removes all characters including dashes, than adds a dash, which changes the text and removes the dash again.

[Code]...

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Removing Characters From A Word?

Jan 5, 2011

I have a word that O want to alter. The words are numeric:123457I want to use the first two numbers and the last number. In this case it is 12 and 7.

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Removing Characters Off The End Of A String?

Jun 5, 2009

lbltime.Text.Replace(lbltime.Text, lbltime.Text.Length - 2)That does nothing, no error but it doesnt remove the last 2 characters from the string.

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.net - String Manipulation, Removing Last Few Characters?

Feb 11, 2011

When I try to remove the last few characters of a string, I get an index out of range error. I am using the following to remove the characters from the end of the string:

objJSONStringBuilder.Remove(objJSONStringBuilder.Length - 1, 6)

The string has <hr /> at the end which I want to remove.

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Removing The First 8 Characters From A Text String?

Feb 1, 2011

Removing the first 8 characters from a text string. How can I do it?

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VS 2010 : Removing Characters From A String?

Nov 22, 2011

I need to parse an alphanumeric string leaving the characters "0-9", ".", "/" and space & remove everything else. I use "[^0-9./ ]" as my regex string and it works well. But now I have a couple other conditions that I dont know how to handle with my regex string. I actually only want to keep the "." character if it falls between two digit characters (ie. 3.5), otherwise remove it. And also I need to replace any "-" characters with a space if it falls between two digit characters (ie. 2-1), otherwise remove it.

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VS 2010 Removing Characters From A String

Oct 23, 2011

If I want to remove 2 characters, or a specific letter or character from a string in VB, how would I accomplish this?

A usual input would be

"63.0" in string format

and I want it to be

"63"

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Removing Words/Characters From A String And Splitting Into An Array?

Mar 23, 2009

I have a situation where a user can enter just about anything they want into a text box.Whatever they enter in the box, I need to split the string into an array of strings where each item is one word. For example, if the user enters All State Insurance, I split that into a string array:

sParams(0) = "All"
sParams(1) = "State"
sParams(2) = "Insurance"

[code]....

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VS 2005 Removing Unwanted Characters From A Collection When Using .split?

Jul 30, 2009

I am using a collection to store data from a text file which I am letting the user load and I am using the .split to split and sort the data into alphabetical order and remove repeating words.However, I am having a problem removing unwanted characters from the final array. For Example, "This is the text file that I want sorted. It is random text not yet sorted"

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VS 2008 Removing Characters - Re-sizes Items In An Array

Dec 10, 2009

I have a program that re-sizes items in an array but I can't get it to work. I have:

[Code]...

It gets to the Remove but it just doesn't delete the characters from the string.

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Catching And Removing Escape Characters In A Serial Comm Port Program?

May 18, 2010

I have recently developed a serial port communication program to access my hardware firewall and its connected to the device via a converter usb to rs232head plugged to a rs232 to an ethernet cable. this ethernet cable then plugs into the device console port.

my program functions similar to that of TeraTerm. an opensource hyperterminal program written in C++ but i decided to do one for vb.net

Alright to cut the story short, i have successfully coded out the program to accept incomming data from the device but however, i'm also receiving ansi escape sequence along with it and i have no idea how i could implement codes to remove these. i have spend 3 weeks trying to look for vt100 emulation codes written in vb.net but i found none so far. most are written in c++. here's an image to illustrate the problem which im facing.

The image below is a screenshot taken when the i ran both the programs together. The bottom is tera term 3.1 and the top is my vb project which i made using msdn's example and improved on the codes. basically tera term was able to interpret those escape sequence and display accordingly to that of the vt100 terminal display. I have spent time reading on regular expressions using the inbuilt function regex in visual basic and tried parsing some strings but its not working. i guess its far more complex than i thought.

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Select Case Statement Using The First (left) Characters In A String?

Feb 21, 2011

I have a lot of really long strings that I want to test. Is it possible to use the CASE statement and compare it to the first 25 characters of the string to get a match?

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Removing The First 3 Characters Of Text Box's Text?

Jan 26, 2012

i trying "Removing the first 3 characters of text box's text".

i tried this

TextBox3.Text.Remove(3)

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Remove All Special Characters(except - And /) From A String Including All Cr,lf,crlf, Other Illegal Characters?

Sep 13, 2010

i have been trying to remove special characters. i am not able to remove many crlf in middile of the string.

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Inputting A String Of Keyboard Characters And Outputting The Characters In Reverse?

Aug 3, 2009

I need to create a console program that allows you to enter a string, of which is then outputted in reverse.

Sample:
Input: Diewas
Output: saweiD

Apparently I need to find out about strings and will also need to use a loop.

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Error When Getting A Substring Of X Characters Out Of A Parent String Of Less Than X Characters?

Feb 23, 2011

Not sure if too many people know this, but the following line will cause an error:

GroupName.Substring(0, 3) = "jt_"

....if the length of GroupName is less than 3 characters. I always thought it would simply return whatever characters in GroupName, but no, it errors. I must be thinking of the old VB6 days.So, I now have to change the code to:

If (GroupName.Length > 2) Then
If (GroupName.Substring(0, 3) = "jt_") Then

Note that the two comparisons need to be on separate lines. If they are on the same line, such as:

If (GroupName.Length > 2) and (GroupName.Substring(0, 3) = "jt_") Then then the code will still fail as the length command is executed at the same time as the substring command- which will cause the error when the GroupName length is less than 3.Just thought that those of us not aware of this should be!

dp.SyntaxHighlighter.ClipboardSwf = '/dp.SyntaxHighlighter/Scripts/clipboard.swf'
dp.SyntaxHighlighter.HighlightAll('9844f9bfb55449e6a786fa62aaadfa20')
dp.SyntaxHighlighter.HighlightAll('f6d554fd98464bdba9159b319e51b381')
dp.SyntaxHighlighter.HighlightAll('93bf4ca63ad8447abdf084d8a9991e15')

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Replacing Characters In Textbox (including Special Characters)

Aug 5, 2011

I have two textboxes. I type in one of them and the text gets copied in real time into another textbox. There is one catch. I need to replace specific character with something else.

If I enter a quote " in textbox1, it has to be replaced with " in textbox2.

I started with something like the below code, but obviously this does not work (tried different stuff - this is for demonstration only). In the example below 'a' represents " , and 'b' represents "

Private Sub TextBox1_KeyUp(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TextBox1.KeyUp
TextBox2.Text = TextBox1.Text

[Code]....

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Shape Of Really Large Characters Such As Numbers And Alphabetic Characters

May 9, 2011

With the shape of really large characters such as numbers and alphabetic characters + others, is there a way to get that shape as a REGION please?Imagine a really fat snake forming the letter S or two rectangles placed together to form a large letter L or a T like the shapes in TETRIS.

1) Does anyone know of anything in VB.Net that can translate such shapes into a System. Drawing.Region or know of a project elsewhere that achieves this please?

2) While I'm on the subject, how would you SCALE UP / DOWN a System.Drawing.Region please? How would you work out the Transform Matrix required please?

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VB Mixing Characters When Change Position Of Two Characters In Word

Aug 27, 2011

I'm making an application that will change position of two characters in Word.

[Code]...

Program works good, it is mixing characters good, but it doesn't write text to the file. It will write text in console, but not in file. Note: Program is working only with words that are divisible by 2, but it's not a problem. Also, it does not return any error message.

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VS 2010 Turn Only Selected Characters Into Password Characters

Feb 20, 2011

I'm making a custom control suited for handling passwords. I have created a control that inherits from a text box and I have implemented a lot of things so far. But what i want to do now is create a system so that when a user types It will display his last character typed for a X amount of time. Is there a way to turn only selected characters into password characters and still be able to get the password text from the Text property ?

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Add Characters Between Characters In A Line Of Text?

Aug 4, 2009

I know that the topic is kind of weird, but I will explain that here. I am reading text from a text box and inserting that into a listbox. I am wanting to read what the user inputs into the text box and add a character between each character they type. Here is what im wanting to do written out[code]...

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No Special Characters | Minimum Characters

Aug 4, 2010

example. i have 2 textboxes and if there empty it says "Incorrect Information", but how do i make it that like when a person enters something into the textbox1 it can be 3 values minimum.. like it could be eather 2 letters 1 number or what ever just more than 3 values (no special characters), and on the password.. 6 values minimum (no special characters).

[Code]...

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SQL Statement Doesn't Work - INSERT Statement Works Fine In The Form Load But Not In The Button Click Event?

Oct 14, 2009

See

Public Class Form1
Dim sql As String
Dim conn As New OleDb.OleDbConnection
Dim da As New OleDb.OleDbDataAdapter

[CODE]...

The problem, The INSERT statement works fine in the form load but not in the button click event?

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If <expression> Then <statement [:statement]> Else [statements] In Concrete Form?

Jan 1, 2010

I was convinced that If <expression> Then <statement [:statement]> Else [statements] in concrete form of If a = b Then SayHello() Else SayBye() End has sense. I read article on msdn on If-then-else, but I forgot why I was reading, so I concluded, that snippet above means this

If a = b Then HelloIsSaid : IsNotEnded Else ByeIsSaid : IsEnded But I have tested it now, and I see, that Else without statement is nothing more than decoration. It would be pretty good if it had function I described. Do you think its good request? Or do you know any circumstance where this Else has some function?

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Making A Next Statement Into A Loop Statement In Visual Basic?

Jun 8, 2009

y friend and I are re-learning Visual Basic, and we are stumped on this bit of code.

For intAsterisks As Integer = 0 To intLine - 1
lblAsterisks.Text = lblAsterisks.Text + "*"
Next

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Sql - Perform An Inline Select Statement In A LINQ Statement?

Jun 24, 2011

I have the following SQL:

[Code]...

I want to put it (the select count statement) in this LINQ statement so I can get the sales count in my linq statement: Dim TheLeads = (From L In DB.Leads Where L.IsDeleted = False Select L).ToList() Is this possible to do in LINQ?

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Asp.net - Character Support - Translate Higher ASCII Characters To Lower ASCII Characters?

Aug 7, 2009

So I have an ASP.Net (vb.net) application. It has a textbox and the user is pasting text from Microsoft Word into it. So things like the long dash (charcode 150) are coming through as input. Other examples would be the smart quotes or accented characters. In my app I'm encoding them in xml and passing that to the database as an xml parameter to a sql stored procedure. It gets inserted in the database just as the user entered it.

The problem is the app that reads this data doesn't like these characters. So I need to translate them into the lower ascii (7bit I think) character set. How do I do that? How do I determine what encoding they are in so I can do something like the following. And would just requesting the ASCII equivalent translate them intelligently or do I have to write some code for that?

Also maybe it might be easier to solve this problem in the web page to begin with. When you copy the selection of characters from Word it puts several formats in the clipboard. The straight text one is the one I want. Is there a way to have the html textbox get that text when the user pastes into it? Do I have to set the encoding of the web page somehow?

[Code]...

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Change The Exit Statement To A Continue Statement?

Feb 23, 2009

add an if statement and an exit statement to my do loop that exits when my future value (FV) is greater than 1000, then to change the exit statement to a continue statement so my loop will continue even though my fv is greater then 1000, point is to get this to run even though my if statement doesnt do anything. problem something wrong in my code and an exception error (xception of type 'System.OverflowException' occurred in mscorlib.dll)

so can someone show me where or why I have an error is, what am I overthinking now! I could use a hint, OMG i could use a tutor for that matter

[Code]...

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ElseIf Statement Into A Select Case Statement?

Jun 23, 2010

A co-worker wants to convert the following IfThenElseIf statement into a Select Case statement.
Explain why this is not possible.

If temperature = 100 Then
X = 0
ElseIf population > 1000 Then
X = 1
ElseIf rate < .1 Then
X = -1
End If

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