Enum ToString Returns An Unknown Number?
Jul 16, 2009
I built a simple vb.net winforms project that pings IP addresses and logs the results. It works fine on most machines I've tried it on. I log the status result of the ping System.Net.NetworkInformation.IPStatus) by using the IPStatus.tostring method.
Normally this returns a text result such as "Success" or "TimedOut"Yesterday, on one machine it returned "65" ...which is not one of the enum values. I have a feeling it might be a combination of values. I ran some test code:
Dim status As System.Net.NetworkInformation.IPStatus
status = Net.NetworkInformation.IPStatus.Success
MsgBox(status.ToString)
Which returns "Success"And this: status = Net.NetworkInformation.IPStatus.BadDestination Or Net.NetworkInformation.IPStatus.BadHeader MsgBox(status.ToString)
Which returns "11050" I suspect the "65" I saw was the result of some combination of enum values. Is there any way I can change the code in my second example to show the text names of both values? That is... any way I can see ALL values in this variable?
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Dec 30, 2009
I have a URL lets say . some time i need to send HTTP and some time i need to send it to HTTPS for that i created a enum:
Private _protocol As Protocol
Enum Protocol
HTTP
HTTPS
[CODE]...
Now when i get value back from protocoltype it returns me integer value as enum do so tell me how to get string from enum or other substitute.
Dim targetUri As String = setting.protocolType & "://www.mysite.com"
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Oct 22, 2009
Using Access 2003 and VB code, I have created a form with a number of labels. The labels will display an employee's names. I have named the labels name1, name2, name3...etc. Using an ADO data set and DCount I have determined the number of names in an Access table (the number of names can vary). What I want to do is for each record in succession to pick the first name and surname from the data set , combine them into a full name (this part has been successful), and then set the full name into the label caption in succession. Example: full name 1 into name1, full name 2 into name2, full name 3 into name3... until all names appear as labels on the form.
I created a counter to and a variable to increment the label number but when I address the caption property of the variable containing the new label (e.g. name1, name2..etc.) it throws an errer at runtime. Here is the code:
[Code]....
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Sep 15, 2010
In the past I've been able to pass a format string to the tostring method.It's not working any more Here's an example from my Watch window:
1.1.tostring String
1.1.tostring("0.00") {"Enum value was out of legal range."} System.ArgumentOutOfRangeException
[code]......
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Feb 27, 2011
The version in the Publish page of the project properties is set to 1.4.0.1, but My.Application.Info.Version.ToString returns "1.0.0.0"
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Apr 7, 2011
I'm trying switch from using arraylist to arrays. Seams like arrays are not as easy to use when you don't know the size of the array.
Is it possible to use an array without having to specify the size of the array like in this example?
[Code]......
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Feb 8, 2010
I have read just about every other post on this forum and many others, but they do not sort out the problem I have. I am building a website using asp in dreamweaver backed with an access database (this is what the company chose not me!)My page is a search page and is based on user input, my SQL query works as I have tested it both in access and through dreamweaver when setting up my dataset.Everything works, until I place a datagrid on my page to display the dataset results, then I get this error.
Compilation Error
Description:An error occurred during the compilation of a resource required to service this request. Please review the following specific error details and modify your source code appropriately.
[code].....
I haven't included all of the html as I don't see it being of any relevance to the error.
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Jun 5, 2012
Is there a way to create a method with unknown number of parameters? And if it this the case: How is it possible to get access to them within this method? Do they have to be from the same type?
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Sep 16, 2011
I'm saving path's to text files in a text file so the user himself would be able to add new data. My problem is that I need to make a loop that reads from these different text files and stores the data (but I don't know how many there might be.) This was my try to it:[code]
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Feb 25, 2010
I have a dynamic query which returns a DataTable. This DataTable will contain a varying number of columns depending on the selection used in the query. I want an efficient way of filtering the records in the DataTable.
For Example The DataTable contains columns : A, B, C and D
I need to query this data at serveral points in my program. At some point I may need records where A=10 and C>40. At another point I may need records where A<10 and D=90 etc.etc. The selects are dymanmic, I do not now what Columns or values are needed until the code is executing.
I could simply use a DataTable Filter and build the selection string dynamically. I have no problem with this. However I was wondering if using LINQ would be more applicable. I am completely new to LINQ and would like to use it but don't know its capabilities.
(At present I am using a DataTable but in future this may change to a collection of Objects)
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Mar 14, 2010
I'm gonna add x number of items to a listbox in form #2 form form #1. When I click the button it opens Form #2 and then I tried this code (which makes the form freeze):
Dim qwe As Integer = 1
Do Until qwe = regKey.GetValue("Count") + 1
PrMaker.ListView1.Items.Add(regKey.GetValue(qwe))
qwe = qwe + 1
Loop
The regKey.GetValue("Count") is a registry key which contains a integer (unknown). What is wrong, or is there another, better way, of doing this?
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Aug 26, 2010
I am using VB Express 2008 and want to return the titlebar text of a window This is what I have:
Private Declare Function SendMessage Lib "user32" Alias "SendMessageA" (ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long, ByVal lParam As String) As Long
Private Const WM_GETTEXT = &HD
Private Const WM_GETTEXTLENGTH = &HE
[code]....
This should simply return the window name I.e. "Calculator"But debugging it i get an "OverflowException" on:
strtmp = Space(length - 1)
If I look in the length variable it has "8975925931411505153" in it Why is it so big, and why is it not just "10" for the number of characters in calculator?
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Dec 15, 2010
I'm trying to run a simple select statement using an ADO recordset. But the resulting recordset returns 3 times the number of rows. For example the query should return 20 rows but is repeating 2 more times and returning 60 rows. When I run the query in Oracle it returns 20 rows.
Here's the code.
sSql = "Select * from Sector"
cnnOracle.Open("DRIVER={Microsoft ODBC for Oracle};SERVER=REPDATA.world;UID=auser;PWD=auser;")
[Code]....
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Mar 25, 2011
I'm trying to declare an enumeration and one of the names I'd like to use for an item is not usable apparently. Where I am declaring 'STEP = 3', I get this error message in visual studio: "Statement cannot appear within an Enum body. End of statement expected." Is it possible to use STEP as an item name somehow? [Code]
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May 18, 2009
Write a function that returns the number of duplicates that exist in an array.
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Jan 2, 2012
RE - FilesystemRights Enum
This Code:
Dim FSRS As Type = GetType(FileSystemRights)
For Each fsr As String In [Enum].GetNames(FSRS)
TextBox1.AppendText(fsr.ToString & vbCrLf)
Next
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Dec 16, 2010
1. What's the difference between ToString and ToString()? (i do know that ToString method is to cast numeric values to string but don't know how to get it to work)
2. Why do i need XML comment feature? is it necessary?
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May 26, 2010
Which is better, using a nullable enum or adding the value None=0 to your enum list?Using nullables requires more code, but I kind of like it since it forces me to think about the possibility. Otherwise I'm liable to forget about the None enum and fail to account for it being a special case.
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Aug 23, 2011
I've tried the code below but it always returns nothing, It should enter
Protected Function GetTotalDebitAmount(ByRef roEntryDetailRecordBaseList As List(Of PPDEntryDetailRecord)) As String
Dim iTotal As Integer = 0
[Code]....
I need some one who evaluate the part below:
If CBool(Array.IndexOf([Enum].GetValues(GetType(TransactionCodes.Debits)), CInt(oEntryDetailRecord.TransactionCode)) > 0) Then
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Nov 6, 2011
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnDisplay.Click
Dim numberFile As StreamReader
Dim intCount As Integer
Dim decTotal As Decimal
Dim decAvg As Decimal
[code]....
0 value returns for the Lowest number..everything else returns fine...
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Jun 24, 2010
I have some code which gets child items for a menu via the GetChildren function which takes a list of menuData: Dim builtMenu As New List(Of MenuData)(_rawData.FindAll(Function(item) item.GroupingID = 0))
For Each menuData As MenuData In builtMenu
If menuData.Children IsNot Nothing Then
menuData.Children.AddRange(GetChildren(menuData))
End If
Next
If I check if menudata.children isnot nothing, it always is nothing because the GetChildren function is yet to run (providing the child items, which do exist). If I remove this check and just have this code:
Dim builtMenu As New List(Of MenuData)(_rawData.FindAll(Function(item) item.GroupingID = 0))
For Each menuData As MenuData In builtMenu
menuData.Children.AddRange(GetChildren(menuData))
Next
Then I am presented with a Object reference not set to an instance of an object error on menuData.Children.AddRange(GetChildren(menuData))
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Nov 25, 2008
I have no idea how to do this, but I want to create a [I dont know what it is called] to allow me to convert a class property to another type.The I could use the following w/ the new type:
Dim stringPhoneNo as String = "(111)111-1111" Dim typePhoneNo as PhoneNumber = stringPhoneNo.ToPhoneNumber()
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Oct 8, 2009
When a custom class overrides the ToString() method, the C# IDE uses this function to display the class in the debug mode(tooltips, watcher etc) Does the VB.NET the same? I have impression that overriding ToString() method does change nothing. I mean, in the watcher I see Name myBusinessObjectInsnace Value {MyNamespace.myBusinessObjectInsnaceType}
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Jan 10, 2011
If you try to compile the query below in Visual Basic .NET, it fails. From x In {1, 2} Select x.ToString() The error given by the compiler is: Range variable name cannot match the name of a member of the 'Object' class. There is nothing wrong with the equivalent C# query, though: from x in new[]{1, 2} select x.ToString()
This does not happen with the ToString overload that takes a format (it is a member of Int32, not Object). It does happen with other members of Object, as long as they don't take an argument: with GetType and GetHashCode it fails; with Equals(object) it compiles.
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Mar 20, 2012
My problem is that I'm trying to parse a String to a System.Drawing.Color. Im trying to set up a simple notepad, here's part of my code:
Private Sub ToolStripMenuItem6_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Colorfuente2.Click
Try
Dim cdlg As New ColorDialog[code].....
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Feb 22, 2009
I've googled like crazy and tried MSDN but I can't get a clear answer what to use ToString for.
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Jul 6, 2009
I just converted a VB.net solution into C# solution. But lots of variables have been coverted like:
string var1 = (string)1;
string var2 = (string)intVar; //intVar is a int value
I just want to convert all (string)XXXX to XXXX.ToString() by using some Regular expressions or some other replace methods.
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Aug 2, 2010
I know that i use a "c" for American Currency is there a ToString value used for Mexican Pesos?
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Mar 26, 2011
Many times i was not getting correct output,then i put .tostring() at the end then it gave good output.so basically why do v need this?also Convert.ToInt32(cmd.ExecuteScalar()) why convert to int32?
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Oct 18, 2010
Converting an object .tostring() removes the leading zeros. The object is not a fixed length, so I can't do object.tostring("0000000") where the number of zeros represents the fixed length.
An example object value is "0357" when I convert that object .tostring it becomes "357".
Is there a method for keeping the leading zeros where the length is not known?
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