Convert A List(of String) To String()?
Nov 11, 2011Dim namelist As List(Of String) = New List(Of String)
namelist.Add("Hi")
namelist.Add("Hello")
[code].....
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Convert List Of String To A String Separated By A Delimiter
Apr 15, 2009Whats the best way to convert a list(of string) to a string with the values seperated by ,
View 3 Replies.net - Function To Accept List(Of String), Array & String And Similarly Return List(Of String)?
Jul 29, 2011I want the Function to accept List(Of String), Array & String and similarly return List(Of String), Array & String respectively. The Function simply adds a string (month) to the input collection. I just want to use it for string, array and list with needing to think of conversions.
[Code]...
.net - Convert A List (Of KeyValuePair(Of String,Int32) Into A Dictionary(Of String, Int32) Using .ToDictionary?
Nov 2, 2010To be able to sort a dictionary by value I'm using this code:
Dim idCurrentJobs As IDictionary(Of String, Int32) = New Dictionary(Of String, Int32)
'The string in the dictionary represents a jobname and the integer is a counter for how many jobs im currently are running in the application'
idCurrentJobs.Add("JobName1", 2)
[code]....
Cast/convert From List(Of DataRow) To List(Of String)?
May 22, 2012I'm trying to solve a problem regarding types of list. First of all I have a stored procedure in my DB which does a select of a single column and I try to proceed it in my app in VB. By making a method function I declared a DataTable that loads through the SqlCommand(with the CloseConnection behavior). After that I publicly declared a List(Of String) which needs to be populated with the rows/items from the stored procedure that is on the way. Below is my snippet of the code:
Dim dt As New DataTable()
Try
If conn.State = ConnectionState.Open Then
[Code]....
It's LPrefix = collection.Cast(Of String)() where I get an exception error telling me that I can't really convert it. The old fashion way is to iterate with for/for each loop but that's not what I want for best use of performance especially if the list will have thousands of rows from a single column. So basically, I want to insert those items from that DataTable to the List(Of String) without For/For Each loop.
Running on VisualStudio2010 Ultimate, .NET FrameWork 4.0.
How To Convert Csv String To List
Apr 8, 2011[Code]...
How can I convert a csv string into a list in vb.net?
Vb.net - Convert From Custom List To List Of String
Mar 25, 2010I have the following code:
[code]...
The intention is to convert an IList of custom objects to a string equivalent comprising each element in the Ilist. Unfortunately I can't seem to find a way to get the underlying data of the custom object, and of course as in the above example, using object simply gives me a string of types definitions, rather than access to the underlying data.
.net - Convert StringCollection To List<String>
May 10, 2009Normally, I'd choose List<String> [or, in VB, List(Of String)] over StringCollection whenever possible: see also Best string container.
However, as it seems, generics — and hence, List<String> — are apparently not supported in VS 2008's settings designer. Therefore, if I want to use a list of strings in my user settings, I have to resort to using a StringCollection there.
Now as I don't want to see StringCollection throughout my code, I need to convert it to List<String>. How do I do this efficiently? Or, even better, am I mistaken and there is a way to use List<String> in settings designer?
Convert List Of Directories To String?
Feb 10, 2010I am trying to Add the name of every folder in a directory to a combobox as a string to use in other code. Then I would like to truncate the last 3 characters off of the folder names.Example:
My main directory is C:Main
My sub folders are C:MainsubOne_bp
C:MainsubTwo_bp
C:MainsubThree_bp
I want a combo box with the following added durring run time.
subOne
subTwo
subThree
The following code will get me the folder names in the combo box, BUT it will not truncate the _bp off of the end and they are added as IO.DirectoryInfo that cannot be used as a string in other tasks.
Dim dir As String = "C:Main"
If (System.IO.Directory.Exists(dir)) Then
Dim di_dir As New IO.DirectoryInfo(dir)
[code]....
Convert List Of String Into An Object?
Mar 6, 2012I am looking for a way to convert my List(Of string) into an Object in vb. So in the end it would be the same as declaring Dim cArray() As Object = new Object. Can anyone point me to how i can achieve this? I cannot use the LINQ .ToArray as that creates a string array and this is not acceptable for my work. I need to pass this object into another one that has the parameter (aArray as Object).
View 4 RepliesConvert A List(of Long) Into A String Array?
Oct 26, 2009I want to convert a List (of Long) into a string array.
Reason: it's a list of database IDs and I want to make a comma delimited string to pass into a stored proc.I tried this:
Dim commaDelimitedList As String = String.Join(",", itemIDList.Cast(Of String)().ToArray)
but I'm clearly not using the Cast correctly since it throws an exception:
System.InvalidCastException: Unable to cast object of type 'System.Int64' to type 'System.String'..
Is there a way to get Cast working for this, or am I stuck with ConvertAll and a delegate function?
Convert List(of T) Into Comma-separated String Of Id's?
Jan 27, 2012I have a number of classes that all implement the same interface. e.g.
Public Class IncidentAsset
Implements IModelWithIdentity
Private _assetId As Int16
Private _otherAsset As String
Private _asset As Asset
[Code]...
Is there a better way of doing this in VB.NET using .NET 2.0?
Convert A Textbox List To A Comma Separated String?
Mar 13, 2009I have a text box with a list of entries for example:
Reference 1
Reference 2
Reference 3
[Code]....
I plan to read the string back into a the textbox later using the split() method and assign each to string to an array.
Convert Array List To Comma Separated String?
Aug 28, 2009I'm using String.Join to attempt to turn an array list into a string that is comma separated, such as "1,2,3,4". I can't seem to get the syntax working.
Here's what I'm trying:
Dim aryTest As New ArrayList()
aryTest.Add("1")
aryTest.Add("2")
aryTest.Add("3")
[CODE]...
How can I go about doing this properly?
Convert A String Containing A Binary, Octal And Hex Number Into A Decimal String?
Jun 7, 2009I'd like to convert a string which contains a decimal number into string that contains the binary value, the octal and the hexadecimal value of that decimal number.Afterwards I also like to convert a string containing a binary, octal and hexd. number into a decimal string.Basically I'm looking for the functions:
dec2bin
dec2oct
dec2hex
bin2dec
oct2dec
hex2dec
I'd not prefer to rewrite a function, I'm sure the framework must have these functions already.
Convert Null Terminated String To Normal String?
Dec 16, 2009Is there any way to convert null terminated string to normal string.I mean I can easily make a program to find the location of vbnull but there has to be a built in function for that.
View 1 RepliesConvert String Array Into A String Without Escaping Any Character?
Dec 24, 2011I need to convert a string array into a very long string with following requirement:
can not using any character escaping can not using XML can not using single character as separator (e.g. comma or space as separator)
Convert These Datatypes: Date To String And Integer To String?
Sep 1, 2010how can i convert these datatypes: date to string and integer to string.Because it must be in a string datatype when I display it in a datetimepicker and textbox.
View 3 RepliesC# - With LINQ, How To Transfer A List<List<string>> To List<string>
Dec 15, 2010I got an object of List<List<string>>I need to bring this into a ist<string>I have no idea how to do this with LINQ.
View 1 RepliesSorting - Sort List(of String()) Using A Variable Index Into String() As Key ?
May 30, 2012I have a List(of String()). I have written a custom comparer (implements IComparer(of string)) to do an alphanumeric sort.Is there a way to sort the List using a given index to determine which position in the String() to sort by? In other words one time I might sort by Index = 0 and another time by Index = 3. The length of all String() in the list is the same.For reference this question is similar to Sort List<String[]> except I am using VB.net and that question is hardwired to Index=0.
EDIT from OP's comments:I started simple with the non custom comparer but I am getting an error: expression does not produce a value. Not sure what I am doing wrong.Here is the code:
Public Shared Function SortListOfStringArray(ByVal ListOfStringArray As List(Of String()), ByVal SortByIndex As Integer) As List(Of String())
Return ListOfStringArray.Sort(Function(x, y) x(SortByIndex).CompareTo(y(SortByIndex)))
End Function
Convert A RTF String To A Regulat Text String?
Nov 9, 2009how I can convert an RTF String to a regulat text string. The rtf string has tons of formatting info, but all I need is the text in the string.
View 5 Replies[2008] KeyPress - Convert To A String And Add It To Overall String?
Aug 3, 2011Currently, I'm using the following code to pull info from the management class.
[code]...
I'm also pulling info from the bios, disk drives, video, etc. What I've noticed, is although it runs fine on my pc, it may error out on some pcs since it is hardware dependent.I'm having trouble implementing a check to find if it exists before I convert to a string and add it to my overall string.
Convert A Html String Or The Below Sting Into A Tree View Or A List View
Jun 9, 2009the VB .net experts. I added the following code and I get an error as shown below.
[CODE]....
Convert 1-Dim String Array To String?
Jun 21, 2010I'm working on a mass text replacer program because I'm sick of all the 10-day trial ones out there that aren't very good.The entire program is basically finished (All easy stuff), but now I need to code the actual replace/delete stuff, which I'm stuck on because apparently the way I originally intended to do it is not possible.
The way it works is you load a text file (.txt, .cfg, .ini, .doc, etc.) which opens a StreamReader which writes all the data into a listbox. Then you pick whether you want to replace or delete a string. If you select replace, then you enter the string to search for and in another textbox you enter the string to replace it with.
The way I originally intended to do this was like this:
If o1.Text = "Replace" Then 'The option
Replace(txtfile, str1, a1) 'txtfile is the data, str1 is the string to find and a1 is the replacement
End If
The problem is, I believe this method requires txtfile, str1 and a1 to be strings, but they're all 1-dimensional string arrays, which cannot be converted to strings, or at least I don't know how to convert them.
A friend told me one way I could do this is to open both a StreamReader and StreamWriter and do the replace/delete line by line as they are entered into the memory and write them to a temporary file which is then copied over the original. I can do this kind of, but I still don't know the proper way of doing the actual replace code because the string to find and the string to replace with are still 1-dimensional string arrays rather than strings.
Convert A String To A Constant String?
Jun 9, 2009I have the following code...
Const ToAddress As String = username.Text & "url..."
which sets to ToAddress to be used in on my Net.Mail.MailMessage that is to be created with the following constructor
Dim mm As New Net.Mail.MailMessage(username.Text, ToAddress)
which takes in a string and a constant string. But I get an error here[url]...
Convert String To String Array In .Net?
Jul 29, 2011I have a function that takes string array as input..I have a string to process from that function..
Dim str As String = "this is a string"
func(// How to pass str ?)
Public Function func(ByVal arr() As String)
[code]....
I have also tried :
func(str.ToArray) // Give error since it converts str to char array instead of String array.
How To Declare List(Of String()) With String(2)
May 5, 2012I am trying to declare List(Of String(2)) and it doesn't work
I understood that if I specify the length of the string() the compiler will not need to guess the length and it will be more fast that way, is it correct?
List(of String) To Dim Item()() As String
Oct 22, 2011I have a list with a few items ( changes once in a while ) named itemlist
[Code]...
Value Of Type 'System.Func(Of String, String)' Cannot Be Converted To 'System.Convert
Feb 17, 2011Value of type 'System.Func(Of String, String)' cannot be converted to 'System.Converter(Of String, String)
Why? They are both effectively a function pointer (or delegate?) to a function that accept a string and return a string.
Compare List(Of String) To Another List(Of String)
Dec 30, 2009I have two List(Of String) both containing several hundred thousand results.
Private Function AddUniqueFiles(lNewFiles as List(Of String)) As outList(Of String)
Dim aCounter As Integer = 0
Dim files As New inList(Of String)
[Code]....
However the time it takes to do this comparison can be very long indeed - is there a better way of doing this type of comparison... All I am trying to do is add values from List2 in to List1 which are not already present in List1 - So in effect adding new Unique values found in List 2 in to List 1. I am only looking for performance improvements - nothing else.