SqlCommand Parameter / Replace A Single Quote With Two Single Quotes

Oct 23, 2009

I use SqlParameters when executing database statements. I know that I can replace a single quote with two single quotes... but in the past SqlParameters took care of this for me. I have two projects.. in one, the SqlParameter does this and it handles single quotes fine, in another, it does not and I'm at a loss why (I even copied and pasted the code):



C# - Using SelectNodes With Attribute Having Single Quotes And Double Quotes?

Nov 9, 2011

Is there any way to use selectnode with the attribute having both single and double quotes? If we are having single quote in the attribute we can use like below,

nodeList = root.SelectNodes("//book[contains(title,""'attribute'"")]")

If we are having double quotes we can use,

nodeList = root.SelectNodes("//book[contains(title,'"""attribute"""')]")

how can I use an attribute ['attribute"] having both single and quotes in SelectNodes.

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.net - Sql Parameters Appear To Not Add In The Single Quote For Strings

Oct 4, 2011

I have this block of code that sets up my sql parameters for a stored proc that does an insert.

Dim sproc As StoredProcedure = New StoredProcedure("UsersInsert2", DataAccessConfiguration)
sproc.AddInput("@ID", SqlDbType.NVarChar, 10, entity.UserId)
sproc.AddInput("@PCode", SqlDbType.SmallInt, entity.PriviledgeCode)
sproc.AddInput("@Pwd", SqlDbType.NVarChar, 10, entity.Password.ToString())


I've tested the stored proc in SSMS and it works.The problem is when I try to call it from the application. it fails. the @@rowcount = -1. I've tried returning an error code from the db... no dice. keeps coming back as -1 what is going to get executed looks like this

sproc = {EXEC UsersInsert2 @ID=ruxtest7, @PCode=0, @Pwd=1234, @Lang=E, @Name=ruxpint, @Notice=1, @CreatedBy=ruxpint}

I've re-used this code several times. only difference being I'm using NVarChar and it's vb.net.

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Mar 15, 2011

It would seem to be Dim MyString as String = """""" but VB doesn't like that.

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Mar 10, 2009

I have a filter expression that contains a single quote (Al ' ABC), and i am using the Select statment of the datatable where i want to select all rows containing the filter expression, but i am encountering an error. how can i resolve it?

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Single Quote In Select Statment?

Mar 19, 2011

I have a filter expression that contains a single quote (Al ' ABC), and i am using the Select statment of the datatable where i want to select all rows containing the filter expression, but i am encountering an error. how can i resolve it

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Jun 24, 2010

While searching on how to escape a single quote in String.Format, I found the answer at SO: Escaping single quote in String.Format(). It seems to be different for VB though. I tested it, and indeed C# needs

string s = DateTime.Now.ToString("MMM d \'yy 'at' H:mmm");
while VB needs
Dim s As String = Now.ToString("MMM d 'yy 'at' H:mmm")

Why does C# need a double backslash, and VB a single backslash? This might be a bit of a silly question to C# users, but while I can read C#, I'm not used to writing it.

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Jul 14, 2011

I have the following LINQ query:

Dim find_id = From p In dbContext.Residents _
Where p.person_name = occupant _
Select p

I then pull the first returned ID like so:

Dim building_id As String = find_building_id.FirstOrDefault.id

This works fine, except with the person has a ' in their last name, like M'arta. In this case I get a NullReferenceException.

Okay, the problem appears to be that when I am capturing the name initially from a GridView it is inserting into the value a #39 instead of ' and then LINQ is keeping things correct, so I end up with a non-match since it is attempting to match:

M#38arta = M'arta

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May 14, 2012

I have a function in VB.NET that runs a query from an MS SQL DB, puts the results into temporary variables, then updates an Oracle DB. My question is, if the string in the MS SQL contains a single quote ( ' ), how do I update the Oracle DB for something that has that single quote?

For example: Jim's request Will produce the following error: ORA-01756: quoted string not properly terminated The ueio_tmpALM_Comments (coming from MS SQL) is the culprit that may or may not contain the single quote.

update_oracle =
"update Schema.Table set ISSUE_ADDED_TO_ALM = '1'," & _
"ISSUE_COMMENTS = '" & ueio_tmpALM_Comments & "'," & _
"where ISSUE_SUMMARY = '" & ueio_tmpALM_Summary & "' "
Dim or_cmd_2 = New NetOracle.OracleCommand(update_oracle, OracleConn)

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DataTable.Select With ' (single Quote) Character In The Query?

Oct 19, 2011

I have a string like "Hello'World" and a Data Table with some records in it. One of those records is "Hello'World".he problem is, when I do a .Select in the Data Table, it only tries to search for the "Hello" part and throws an error on "World" because it interprets the ' (single. cuote) like the closing cuote on sql.DataTable.select("text = 'Hello'World'")I have gone through msdn doc, and it says I can escape some characters with [] brackets or f.slashes , but I just can't figure out: .select("text = 'Hello[']world'")

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Saving A Text Field That May Contain A Single Of Double Quote?

Jun 16, 2010

I am saving a text field that may contain a single of double quote.' or "If i use a double quote in my SQL save funciton I can save and use single Quotes. When I use a Single quote I can save Double Quotes. Yet not both.People use both, so I would like to know how I could change the delimiter to something other than a Double Quote for my text saves

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Use Single Quote As Litral In My Code Passing Sql Statement?

May 2, 2011

The code is as follows

dim st as string

st="select * from employees where empName='" & textName.Text &"'"

' The empName is Dani'e

'So the single quote with in the name Dani'e makes the vb.net code to halt.

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May 12, 2009

I have a problem with double and single quotes in a string.I have a textbox where i take a string from.In the textbox are double quotes and single quotes quotes.Problem is that if i return the string all the single quotes are replaced by double quotes.How can i get it to keep the single quotes as single quotes?

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Apr 2, 2009

I have a table with many values inside of it that might have single quotes around them. I need to create a duplicate table without those single quotes. I can't modify the original table as I need to use it, 'as-is' later.

I've done this with a table.Clone and using a foreach to loop through the rows and columns removing single quotes as I need and then putting that new row into the new table. It works and it's straight forward.....but

I'd like to do the same thing using LINQ. This was my attempt....

Dim myResults = From myRow In dtTable _
From myItem In myRow.ItemArray _
Where TypeOf myItem Is String AndAlso _
myItem.ToString.StartsWith("'"c) AndAlso _

I had trouble finding examples that weren't looking at a specific column in the DataRow. It looks like my code does pull back all the matching results - but I'm at a lose for how I can create a duplicate table/modify the values?

The only requirement is to not using a For Each; as I already know how to do that. I've gotten closer - but I still can't seem to create a new row or a new table.

My new approach hits a dead-end when I try to do this:

Dim MyNewRow As New Data.DataRow With {.ItemArray = myRemovedQuotes.ToArray}

The Error message I get says, "Error 1'System.Data.DataRow.Protected Friend Sub New(builder As System.Data.DataRowBuilder)' is not accessible in this context because it is 'Protected Friend'."

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Mar 29, 2009

i'm having some trouble with most likely the simplest of reg ex i'm trying to get thew contents of a form: <form action='I NEED TO RETRIEVE THIS DATA' id="questionaire" method="POST"> i need to retrieve the contents of the action which is between 2 ; (single quotes rather than doubles) i have:

Dim regexSource As New Regex("(?<=action=.*?"").*?(?="")", _
RegexOptions.IgnoreCase Or RegexOptions.Singleline)
Dim regexSourceMatches As MatchCollection = regexSource.Matches(HTMLResponse)


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May 9, 2011

I have the following string [custID] = 'A99999999' I am trying the following to remove the square brackets and the single quotes Regex.Replace(sql, "/[[]']+/g", " ") but that's not working. I keep getting the same results Note: sql is a variable holding the string above. I want the result to be

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Oct 5, 2011

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Oct 26, 2011

Is it possible to make a procedure have a single parameter but the values for that parameter are more than one? I have this procedure:

Public Sub autoComplete(ByVal cboCombo As ComboBox)
With cboCombo
.AutoCompleteMode = AutoCompleteMode.Append[code]....

Now I was wondering if there is a way to use it like this:

autoComplete(myCombobox1, myCombobox2, myCombobox3)

Or can I use a procedure like this with 'With...End With'?

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Feb 11, 2012

Using the example piece "aString = Replace(TestString, "o", "i")"

I would like a count of every time it makes a change.  Possible?

If not, is there a clean way to do a multiple incident replace within a single string and have it record counts?I know I can create loop throughs but they are slower and messy.

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Dec 23, 2009

Say I have a code with 3 methods that do some pretty intensive work. Would executing these methods on 3 seperate threads be faster then executing them one after the other on a single core cpu? And what if it's a dual core or HT?

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Sep 5, 2010

I am trying to make a list, separated by a comma, of entries from a single column in a SQL database. I have been spending the last several days searching for a way to do this, but every thing I found either didn't work, or wasn't exactly what I was looking for.

The query will pull all the email address that are not null. What I need to know is how to take the result of that query and make it look like this:

email0@address.com, email1@address.com, email2@address.com, etc, etc, ...

I feel like I should know this, but for the life of me, I can't remember nor can I find it in any of the textbooks I have.

I am using Visual Basic 2010 and SQL Server 2005. I also have access to Visual Basic 2005 if needed.

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May 7, 2010

I am trying to use the DGV to view various properties from a variety of different class instances. Is it possible to bind each cell individually?

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VS 2005 RegEx - Remove '; (anything):' And Replace It With A Single Comma?

Mar 18, 2009

I have this text:


How to remove '; (anything):' and replace it with a single comma? I am sure RegEx can do it...

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Update A Single Row And A Single Cell In Ms Access Database?

Dec 3, 2010

I am trying to update a row or a single cell in ms access through vb.net. But when i update the text box named NRIC, say for example i want to update "s4522147B" to "tr4521856C" and mean while leaving the other fields the same.

But the thing is when i make the changes in nric.text (textbox), the dataset actually updates the whole column in the table instead of the selected textbox.

Below is my code for the update part


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Aug 14, 2009

I am trying to replace "a" to = ""a""

code i have tried is
If line.Contains("""") Then
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Jul 23, 2011

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Jul 13, 2009

I am trying to think of a regex replace to replace double quotes with nothing. Example:

hello("hi there") would become hello(hi there)

"hi" would become hi

"example "3" would become example "3

-edit Maybe an easier way to explain this is, replace all " that do not have a backslash before them.

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Mar 22, 2011

I have a few problems i need to solve. Firstly, I am looking for a piece of code i can use to display a picture from a bank of pictures. It will work on the basis of generating a random number and loading a picture that corresponds to that number. 

i.e. Dim RandNumber As Integer
Dim RandClass As New Random
RandNumber = RandClass.next(1, 10)
If RandNumber = 1 Then
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Secondly, can I then use subsequent picture boxes to display pictures from the same bank of images, without displaying the same image? Finally, I then need to be able to click the picture or a button beneath the picture to select it as an answer to a question and then the whole process starts again.

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Sep 16, 2009

I'd like to replace all the white pixels in a bitmap image with pixels of the colour "Color.FromKnownColor(KnownColor.MenuHighlight)". Is there some method in the Image, Bitmap or Graphics classes I can use, or will I simply have to inspect each pixel in the image with GetPixel, check whether it is a white pixel, and then set it with SetPixel?Here is the code I am using now:

Private Shared Sub highlight(ByVal b As Bitmap)
Dim highlightColour As Color = Color.FromKnownColor(KnownColor.MenuHighlight)
Dim whiteARGB As Long = Color.White.ToArgb


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Aug 8, 2009

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da.UpDateCommand.Parameters("@OrderID_New").Value = myTextBox.Text

And so on...My problem is how to supply the value of "paramete_Old" to be able to compare before update. I gues it has to do with obtaining the Original values of the rows based on RowVersion but I don't know how to effect it.

strSQL = "UPDATE [Order Details] " & _
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Mar 16, 2010

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Nov 19, 2009

sqlCmd.Parameters.Add(New SqlParameter("@DateCreated", SqlDbType.DateTime)).Value = CDate(Now)

it throws error. Kindly suggest how can I assign date to sqlcmd parameter.

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Apr 4, 2009

In vb.net, im using objWriter.Write("playerA= "x"")as you can see im using double quotes inside double quotes, how do i skip it so the error doesnt show up?in php you make an "" to skip the string like ("playerA = "x" ")

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Oct 14, 2009

How would I do a replace to replace a double quote with a blank space
What would I put in the ( ):
NameValueArgs.Item(i).ToString().Replace( )

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May 2, 2012

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I have three ways of adding parameters to my query commented out above. The all seem to return 1781 records (which is all of the records) and will not filter out to what the UserName variable equals which should reduce it to 32 rows.

I use a Console.WriteLine to show that the UserName is indeed my username. But it seems to not be getting passed to the query properly. I tested the Stored Procedure before even starting in on the program, so I know it functions properly. I just don't know what I'm missing from a VB.NET perspective to get the same results into my DataTable.

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Jun 14, 2010

In vb.net how can i use replace function when the replace from part has double quotes in its value ?

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Oct 11, 2011

I tried writing the following TestCase for an NUnit test written in VB.net:

<TestCase("FirstNode", "<node id="FirstNode">")>
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ByVal expectedXml as String)


The xml-node passed as the second parameter to the testcase is not valid however, as this clearly is not the correct way to escape double quotes. I'm sure I can find a workaround in order to check that the method under test returns the expected XML-node, but I'm curious:

Is there some clever way to pass a string such as this, containing double quotes, as a parameter to an NUnit test?

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Jun 1, 2009

I am trying to use string.replace to replace a string that contains some quotation/speech marks.I am trying something like this

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Dec 27, 2011

This should create a desktop shortcut but instead it spits out an error that is because of the quotes inside quotes. They need to be there, I know this is the problem as I have tried without them and it has worked. Another problem though is that it creates the shortcut (when Idon'thave quotes in quotes) but wraps the whole TargetPath in quotes making the shortcut unusable. Here is my code:

Dim input As String
Dim s As String = Environment.GetEnvironmentVariable("UserProfile")
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Oct 24, 2011

I am trying to get back a single from from a EF database model using the below line of code..

Dim _classRoom As classrm = db.classrms.Select(Function(b) b.Course_ID = _CurrCourse.course_ref)

Where classrm is the name of the entity and db is declared as a new entity. What I am trying to do is select a row from the entity based on matching Course_ID which in this model is a string. So that I can later use the variable _classRoom to get other items out of the same row.. However I am getting the following error:

Unable to cast object of type 'System.Data.Objects.ObjectQuery`1[System.Boolean]' to type 'Trial_Online.classrm'.

I have to preform similar tasks with several different Entities but if I get pointed in the right direction I can manage from there...

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