The '&' in the text gets escaped and gets converted to & when creating the xml file using XmlTextWriter but i dont want the conversion to take place how to prevent it?
Is there any other way besides using WriteRaw func of xmltextwriter?
We are converting a large VB6 application to VB.net. The problem we have all over the code is the .NET converter did not "reorder" the "IF" and other statements in the code to stop execution when a DBNull value exists. For example, we have code like this all over the place.
"If rRow.Item("av_election_id") > 0 And (rRow.Item("Challenged") <> "SUSPD" Or IsDBNull(rRow.Item("Challenged"))) Then"
This causes a error when "rRow.Item("Challenged") is dbnull
The line of code below corrects this issue but we have thousands of lines of code to reorder and refactor.
If
dtAVVoterRow.Rows(0)("av_election_id") > 0
And (IsDBNull(dtAVVoterRow.Rows(0)("Challenged"))
OrElse dtAVVoterRow.Rows(0)("Challenged")
<> "SUSPD")
Then
creating a wrapper class or something to allow us to keep the first example of code above where it will not throw an error when encountering a Null value? I don't know if a wrapper that reordered the If statements, or captures the error but continues the execution somehow?
I try to write the XML using XMLTextWriter but at the start some invalid char's like
are appeared ...what can do to remove it?
I am a beginner developer with xml and .net. I have series of checkboxlists and I want to produce an xml file depending on the user select. I want xml file to be like this.
<?xml version="1.0" encoding="utf-8"?>
<FILTER xmlns:x="urn:1">
<CATEGORY Name="Year">
[Code].....
In an older thread i was looking to read data into a temporary datatable, Now I think I have gotten this working, but i am not sure how to connect the temporary data set (if needed) to access the data from this.
Again here is my code
[code]...
I'm getting the error below when I try usign the XmlTextWriter in my VB aspx page
[Code]...
I have an HTTP Handler that is binding an XmlTextWriter instance to Response.Output like so...
Sub GenerateXml(ByRef Response As HttpWebResponse)
Using Writer As New XmlTextWriter(Response.Output)
' Build XML
[code].....
I am using an XMLTextWriter to create an XML document dynamically (in VB.Net).I want empty tags to appear like this - <Tag></Tag>and not this - <Tag /> So, I am using WriteFullEndElement to end the element tag. But it is writing out the tag as -
<Tag>
</Tag>
i.e. with a newline character between the tags. The web service reading this XML rejects it due to the newline character.How do I avoid the newline, and have both the start and end tags on the same line?
I've got an XMLTextWriter writing to a Stream of a WebRequest. Everything works as it should:
Dim wr As WebRequest = WebRequest.Create("https://wwwcie.ups.com/ups.app/xml/ShipAccept")
With wr[code].....
How can I intercept this XML that's being written as an XMLDocument type? I tried snagging it from the stream but that gave me a 'The stream does not support reading.' exception
I am having trouble with XMLTextWriter.WriteStartElement throwing an exception:
System.InvalidOperationException
when trying to write the second element in my XML document. This error comes back as "The Writer is closed". I have not closed it, so I am guessing it has fallen out of scope?? I have created a class to write an XML file using XMLTextWriter as an object within my class. Below is the relevant code. I have found one other post on codeguru that was never answered with the exact same issue.
Function CreateXML()...
Try
_listDocument = New XmlTextWriter(_xmlDI.FullName & "\" & currentFilename, Nothing)
CreateHeader()
[code].....
I am calling these functions after instantiating a dimension from ListXML (the name of my class) with the following code:
Dim xmloutput As New ListXML
xmloutput.CreateXML()
xmloutput.AddListMember(xmloutput.ReturnWhiteList, currentItem.SenderEmailAddress, xmloutput.ReturnAddAction)
a user will enter a number, n, which ranges from 1 to 30. they will also enter a "P" or an "S" (sum or product). depending on which was selected, it will calculate the sum or product of the numbers from 1 to n.i'm having a conversion error on line 5 stating "Conversion from string "S" to type 'Double' is not valid." [code]
View 2 RepliesI'm creating a program in VB.net that does the following:At a high level I receive a file in email, put the attachment in a monitored folder, import the text file to excel, format the excel, and then email the excel file to a list of recipients.
Here is my plan:
Completed: Outlook VBA to monitor all incoming email for specific message. Once message is received drop attached .txt file in a specific network folder.
Completed: (VB.net) Monitor folder, when text file is added begin processing
Not Complete: (VB.net) Import text file to Excel
Not Complete: (VB.net) Format Excel Text file.(add in a row of data,format column headers with color/size, add some blank columns, add data validation to some of the blank columns that allow drop down selections)
Completed: (VB.net) Save file.
Completed: (VB.net) Send file to list of recipients.
Obviously the items above that are not complete are the bulk of the work, but I wanted to get some advice on what some of you think would be the best way to approach something like this. The import and formatting of the file are causing me some problems because I just can't decide what would be the most efficient way to do this.
The way stated above. Import to excel -> format Having a template excel that contains all of the formatting already done for me and attempting to transition the data to this document (no clue if/how I can do this). Is it even feasible? Have the template already created and then import the text file to a new excel file, then transition that data to the excel template?
Something I thought about, in terms of formatting the document, was to record a macro of me doing all of the formatting that I'm going to need and then attempt to convert that macro into my vb.net code, but I'm not sure if that will work. I will need to verify that the text file comes in the EXACT format every time correct?
Here's 2 questions that I hope someone can help me on. This is in VB.net. I keep on getting this error 'java.io.bufferedInputstream.count is not accessible in this context because it is 'Protected Friend'. Does anyone know how to fix this error?
The other errors i get are "Overload resolution failed because no accessible 'Val' accepts this number of arguments". I have listed below the code that I have coverted from Java. Where is my mistake?'the underlined areas are where it is giving me errors.
[Code]...i
Does anybody know how I can prevent others from referencing and using my VB.NET dlls?Because when I create a dll then I can easily reference it to my project and use the code in it. So my main concern is that when I distribute my application others can use these dlls.
View 8 Repliesi coded a simple webbrowser and started surfing with it but i realise it doesnt prevent pop up advertisements.. how i prevent it?
View 1 RepliesIm wondering, whats the code for looking up and preventing a number from being submited into, say a textbox?
View 2 RepliesCurrently I have to retrieve over 2000 records from DB and bind with combobox. and then follow with another 3 retrieving (less than 20 records)My problem is when I call this function, my GUI became freeze.I try to use Application.DoEvents() method but it still didn't work.I read some post and pages, they mention about BackGroundWorker and .Net 2.0.But what i use it MS 2003 with 1.1 so i think i can't access BackGroundWorker.
View 6 RepliesHow can I prevent pop-ups while using WebBrowser1? If possible, I would like the url to open within the WebBrowser - not in a new internet explorer browser window.
View 3 RepliesI have an client.exe, through contextmenu in windows explorer i run this client.exe. is working fine. How to prevent , if user clicks same client.exe while its already runs.
View 5 RepliesI've been contracted to analyze an existing Data Provider and I know the following code is faulty; but in order to point out how bad it is, I need to prove that it's susceptible to SQL injection.
Question What "Key" parameter could break the PrepareString function and allow me to execute a DROP statement?
[Code]...
I have a textbox to which text is continuously appended (every second new status data at the end).I would like to act it as follows:- When the cursor is positioned at the end: Stay at the end, scroll the textbox (text disappearing at the top).- When the cursor is positioned somewhere else (not at the end): Stay exactly there, don't move the cursor, don't scroll, don't change the top line of the textbox.This seems to be surprisingly difficult (tried quite several ways).This is how far i came:
Private Sub addToTextBox(ByVal daStrg As String)
Dim posAtEnd As Boolean, selPos As Long, selLng As Long
If myTextBoxForm.txBox.SelectionStart = myTextBoxForm.txBox.TextLength Then
[code].....
You developing a application named "DemoSoft" which is going to be a shareware or Premium, you use different DLL's in this project and some DLL's are owned by you, they are very useful and valuable, you are selling this software and are charging the customer for what the software does but since this software uses one of your Valuable DLL, actually few functions from it you have to deploy it and cannot additionally charge for the whole dll. since that would be unwize.now i want to ask what can you do so that This DLL in "DemoSoft" cannot be exploited, meaning end user could use my software but if some thief tries to use my supplied DLL in one of his own app he is unable to do it, in simple terms DLL should work only and only with DemoSoft.
View 5 RepliesHow can you detect when the registry is changed? Furthermore, how can you prevent changes to the system registry? I want to create a security tool, but can't seem to find this anywhere.This is in vb.net.I know the registry is stored as files on your computer somewhere, but I have no clue where it is stored, though I could probably use a FileSystemWatcher component to check it.Then, for prevention, would simply duplicating the registry files and rolling back the changes work?
View 1 RepliesWe know a tolower function will turn all A to a How to turn all à to a.The purpose is I am creating ids for databases and id need to be unique. Sometimes the same stores are written as à in one place and as a on other places. This will create duplicate id problem.So I need a function that will turn all à and all of it's variation into a. The same way ě should become e.
Basically I would use utf8_unicode collation on my databases. Letters that count as the same letter under that collation should map to the same character under this function.I need to make sure that all other east asian characers are not affected in anyway.
I want to prevent from resize of form. I set false MaximizeBox and I set FormBorderStyle to FixedSingle. I couldn't change the MaximumSize of form at runtime. If the user double click on the Tiltebar of the form the form resized. I couldn't prevent that
Then I write the following code at size changed event
If FormLoaded Then
Me.MaximizeBox = True
Me.WindowState = FormWindowState.Maximized
Me.StartPosition = FormStartPosition.WindowsDefaultLocation
Me.Size = InitialSize
Me.MaximizeBox = False
End If
I have a small problem with my application. When the system starts up, the program starts with it, but runs hidden (registry key with paremeter). The program also has a GUI.I want it so that when the user clicks the desktop icon, it does not start a second instance of the executable, but instead reveals the currently running background process. Is that possible?i.e. when the application is started with the "-startup" paremeter, it loads a hidden form2, and closes form1. When the desktop icon is clicked, it loads form1, while form2 remains hidden.
View 4 Repliesi got 2 program here...exe and B.exe.. B.exe is external program.. how can i run my program just once at same time? all start from .exe.. if .exe running twice, a messagebox appear ".exe already running".. if .exe detect B.exe was running, a messeagebox appear "B.exe already running".. i'm using Visual Basic.NET..
View 2 RepliesWorking with winforms I wonder if there is some way to prevent vertically resize of the form. I would like to allow user to resize form in all directions except vertically.Moreover I would like to allow vertically resize in upward direction, but not downward.
I have tried to use maximumsize by setting it to: Me.maximumsize = new size(0,me.height)
I set width to 0 because I want to allow user to change form width.
Is there a simple way to do this without having to programme a complete application level firewall or using Windows firewall?I found this very interesting: Winsock Injector It disables the use of Windows Sockets (winsock) for selected processes.Can such an injector be done in VB.NET and does it work for everything?I tried the injector but it doesnt seem to work for certain applications?
View 1 RepliesI've got this little 'Sticky Notes' type of application and the form I have is a borderless, taskbarless form and for Windows 2000 compatability I'm using VS 2008 and targeting the 2.0 framework. One of the hurdles I have is that in XP, Vista & 7 when you click the Show Desktop button all of my note's windows get minimized and without a taskbar icon, it's not easy to get them back (at least not for a normal user) & I'm looking for a way to either right after the windows minimize I just have them all show again or if I can skip the minimizing message in the wndproc altogether
I've put together a test app that'll show the messages in a listbox for the form, but I'm not sure how to go about skipping sending the message to the form's base class. Here's a snippet, listMessages is the listbox on the form[code]...