Public Class Class1
Public mSize As Integer
End Class
1) How to define another method inside the Class1 that allows other programs to retrieve the value of mSize
and
2) How to disallow client programs from directly accessing mSize.
I have two classes, one nested in the other. [code]Neither "Name" or "ID" are unique between operations and records.I wish to construct a dictionary using LINQ = Dictionary(Of String, Of List(Of Integer), whereby the keys are uniqe examples of Names in my collection and the values are the collective set of distinct IDs that are associated with those names.
View 2 RepliesHow can I structure my classes so that the user interfaces though a single class while the supporting classes are hidden from their view? I think its best understood in an example:
Public Class MyInterface
Public Economic as EconomicClass
Public Sub New()
MyBase.New()
[code].....
So you might ask why am I even separating them? It's strictly for others who will be working with this interface. I need to funnel them though a logical structure:
interface.Economic.MyMethod
interface.Currency.MyMethod
etc
This way everything is already handled for them in the background and they only need to run the method they need. I don't know if I can have it both ways in VB.NET.
Here is some example code of what I mean:
vb
Public Class Form1
Private Sub Button1_Click(ByVal sender as Object, e as systemEventArgs) Handles Button1.Click
[Code]....
I m trying to raise Click event of Textbox explictly but I m getting "Derived classes cannot raise base classes" error.[code]....
View 1 Repliesso far i got
code
For Each item As Reflection.FieldInfo In GetType(NameSpace.ClassWithNestedClasses).GetFields
rtfAppend(item.Name & ":" & Tab & item.GetValue(Me))
Next
For Each item As Reflection.PropertyInfo In GetType(NameSpace.ClassWithNestedClasses).GetProperties()
[code]...
which gets me the simple string vars and properties of my top class, but how can i apply this to loop through all sub classes and get there vars and props?
Searching the internet finds no less than 700 different ways and opinions to accomplish what I'm trying to do, and I would just like to know the simplest, most bullet-proof way possible.
[Code]...
I simply want to extract the string "bar," which is inside <hostName></hostName>I can do this easily enough with simple string functions, but I'd like to do it with one of the .NET XML classes/methods.
I have three classes Employee, Manager and Salesman. Manager and Salesman classes inherits Employee class.
Employee :
Public MustInherit Class Employee
' Field data.
Protected empName As String
Protected empID As Integer
Protected currPay As Single
[CODE]...
Manager :
Public Class Manager
Inherits Employee
[CODE]...
Salesman :
Public Class Salesman
Inherits Employee
[CODE]...
Now I have created a object of salesman and manager using the following code:
Dim objSalesMan as Employee=new Salesman("xyz",1,2000,5000)
Dim objManager as Employee=new Manager("abx",2,5000,"production")
Is this a good programming pratice or should I use:
Dim objSalesMan as new Salesman("xyz",1,2000,5000)
Dim objManager as new Manager("abx",2,5000,"production")
I have a databound combobox that contains 2 fields but obviously only 1 is displayed. My question is...how do I retrieve the field that is NOT the "Displaymember"?
View 2 Replieshow come when I retrieve my data from SQL my date field returns the date along with a time of 12:00:00 AM???? The Sql BD Type is Date and it is a date only in the SqlDB. I'm populating the date into a textbox.
View 2 RepliesMy problem:
Given a list of DLL paths, find their version number and all assemblies referenced. Some may point to the same DLL but with a different path or version.
My Code:
Dim otherDomain As AppDomain = AppDomain.CreateDomain("otherDomain")
otherDomain.DoCallBack(Sub()
Assembly.ReflectionOnlyLoadFrom("filePath")
[Code].....
I'm trying to download files and fill the progressbar correctly. The problem is that I'm missing something in the code below, because it doesn't work:
Dim streamer As MemoryStream = New MemoryStream
Dim reader As StreamReader = New StreamReader(streamer)
Using fs As New IO.FileStream(PathAndFile, IO.FileMode.Create, IO.FileAccess.Write)
[code]....
However, this is downloading the file.
retriving the DNS server ip of my computer. But with my codes i only manage to the IP address of my computer.
Dim IPAddress As IPAddress = Dns.GetHostEntry(Dns.GetHostName).AddressList(1)
Dim strIPAddress As String = IPAddress.ToString
TextBox3.Text = strIPAddress
I have a rather simple task, retrieving an image file from a virtual folder outside of my ASP.Net web Application (The Virtual Folder is in the root of the website) and then displaying it in an image control. I am able to to access a Virtual Folder that is within the web site. Here is my code that
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
Dim sourcefile As String = Server.MapPath("~/Common/Images/LAPDPatch.jpg")
Image1.ImageUrl = sourcefile
End Sub
What am I doing wrong?
Ok, I was able to figure it out: Ok, I was able to get it working, I was using the wrong "slash" character I was using the forward slash instead of the back slash:
Dim sourcefile As String = Server.MapPath("VitualFolderName") & "ImagesLAPDPatch.jpg"
I got a weird problem here like I got a site that users can post comments on a friend profile page.Everytime a user post a comment my application sends e-mail to that page owner, you know to inform for a new posted comment on his/her profile page.The problem is I want to stop the application from sending email if that user has just recently posted a comment say like 5 hours ago/earlier.Here is the function I use that would try to check it:
[Code]...
I've created a module for my website and when a button is clicked, it calls a VB sub on the server.
I need this sub to retrieve the values that were filled in on the form, but the things I need to retrieve values from are not asp controls, they are simple <input> and <select> tags.
How can I retrieve values from input on a .aspx page from VB code executed behind it?
Dim con As New OleDb.OleDbConnection
Dim dbProvider As String
Dim dbSource As String
[Code].....
how do we connect database in access after con.Close() since we do all operation after the con.Close() and works properly.
I am doing invoicing using VS2008 VB. I use Crystal Reports to produce the invoice. I create an in memory dataset to pass to Crystal Reports. What I would like to do is save the dataset I sent to Crystal Reports as an audit trail of the exact invoice. It would only be retrieved in the event of a dispute concerning the original invoice. I thought of using the WriteXML, ReadXML. But that would overwrite the existing XML. Does anyone have a better way of saving the XML for future retrieval?
View 7 RepliesI have MSaccess database.I have 2 tables 1) CUSTOMER TABLE=----CUSTOMER ID-Primary --AUTO NUMBER2) ORDER TABLE =----(CUSTOMER ID--Foreign KEY) Now From the front end using VB.net I have an page in which if i enter Customer details and press button add .I have to INSERT into values into CUSTOMER TABLE and I Also at the same time INSERT into ORDER TABLE with this CUSTOMER ID which i generated now.How is it possibl
View 13 RepliesDim NewOutwarsDeliveryNoteNumber As Integer
Dim iSql As String = "SELECT MAX(OutwardsRefNumber) FROM NewOutwards"
Dim da As OleDbDataAdapter = New OleDbDataAdapter(iSql, LoginForm1.Conn)
[code]....
when I try and run this code it gives me the error that says "Column 'OutwardsRefNumber' does not belong to table ."BUt I am 100% sure this column is in my table. what can I do to correct it?
I have a code here which is to insert values in both the tables which has Relationship.[code]...
View 4 RepliesI'm uploading a flv / swf file and I need to capture the dimensions of those files so I could later retrieve it from a database and embed it into a page.
how I could do it in code behind?
I'd like my application to be able to detect a where a particular USB device has been mounted, and adapt accordingly. Ideally, I'd associate paths with a USB serial number, rather than with a given path. However, I cannot figure out a simple way to access these unique IDs from VB.Net code.
View 1 RepliesI have this XML:
<root>
<data name="lnkViewResultResource1.Text" xml:space="preserve">
<value>bekijk de resultaten</value>
</data>
[code]...
But, unfortunately, it is not working, it is not getting anything.
I'm trying to retrieve the @@IDENTITY value from an access database after I add a row to it. However, instead of using hard coded connections, I'm using the DataSet wizard. Unfortunately, due to the Jet engine, I can't do more than one command at a time. I tried to select the @@IDENTITY in a separate command but unfortunately, I guess it counts as a different command as it returns a 0 each time.My question is, is there a way I can use the GUI/IDE to retrieve the @@IDENTITY or do I have hard code the connection, command, query values and obtain the value that way.
View 1 RepliesI have encountered a problem where in my database I have a column that is a bit either 0 or 1 specifying if a user is an admin or is account suspended or not. And in my VB code I am trying to retrieve that bit. Example code:
Dim dtRequests As DataTable
dtRequests = New DataTable("Users")
dtRequests.Columns.Add("SESLoginID", System.Type.GetType("System.Int32"))
[Code]....
I tried getting rdr.GetByte(3), this tells me cast not valid, but there is no function of which will say GetBit, and if such exists I could not find it.
I am coding a banking and ATM application, which is split into two parts. In one part the employees of the bank can open new accounts for customers, edit accounts, etc. It includes assigning a unique PIN code for the customer. This is all saving to a database. The customer then uses the ATM part of the application to withdraw money. They use a unique PIN code to access their account. The problem that I'm having is retrieving the PIN from the database. I want to write a simple If statement, to match the PIN entered with the corresponding PIN in the database, so that it will retrieve all the relevant customer's details, eg. bank balance. The PIN is successfully saving to the database through the following....
Private Sub btnCommit_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnCommit.Click
If inc <> -1 Then
[Code]....
So how do I retrieve the PIN from the database that matches with the PIN entered and hence, retrieves bank balance, etc?
I'm looking for a way to "pick out" a url string from a webpages source. The source always has a unique identifier for the url. Here is the complete line from the webpages source where the url appears.
[Code]...
quick and easy: I have several pictureboxes with images that may or may not have the same image from my.ressources . And then I want to go through the matrix and check to see whats their images are. I tried to do:
View 1 RepliesI'm using two textbox's to enter text and retrieve the data and then show that data in a datagridview.Here is my
Dim con As New OleDb.OleDbConnection
Dim dbProvider As String
Dim dbSource As String
[code].....