Retrieve Details From This Object 'on-the-fly' From Other Forms?
Aug 14, 2011
I have a Login class with a doLogin() method which is called from a Button.OnClick() event from my Login form.If the login is successful, I then instantiate a User Class with the users details (username, first name etc.).The problem is, I don't know the best way to store this User object .I want to be able to retrieve details from this Object 'on-the-fly' from other forms, Such as UserObj.getFirstName(). And then have the ability to remove the object for when the user logs out, for example.
I really don't want to have to pass the object around to every form that would need it. That seems unnecessary and I'm sure there's a much easier and logical way.If it was possible to store objects in My.Settings, then It'd be perfect, but you can't (i think?).
is it possible to get the details of an mp3 file like the Contributing Artist, Artist, Album, Year etc. and display it into a form? I am using the IO namespace and I have almost tried all the methods and properties under my variable.
i have an application that store a data about a properties for sall i use the serlization and desrlization to store the property details to an XML file i call it PropertiesList .xml..i got a form called search it contain 2 text boxes when the user write down a postcode for a property then click search i need the application to search the xml file that contain the details and retrive all the properties that match the searching words and list the result in a list box.
How to retrieve the particular row of detailsview into textbox on page load event if details view defaultmode is readonly..i want to retrieve the email id from detailsview email row in textbox1 on page load event ?
I am trying to retrieve file details from files in the Program Files folder. I receive an error while trying to retrieve file details.
Dim sFileName As String = ("%ProgramFiles%Windows DefenderMSASCui.exe") Dim Info As FileVersionInfo Info = FileVersionInfo.GetVersionInfo(sFileName) Msgbox(Info.ProductName.ToString())
I receive file not found error at 3rd line. But if I change the path from "%ProgramFiles%Windows DefenderMSASCui.exe" to "c:Program FilesWindows DefenderMSASCui.exe" it works fine.
What should I do if I want to retrieve file details from the path which includes a "%" character?
Im having problems running a .bat file from vb.net 2005 this is the code im using
Dim startInfo As System.Diagnostics.ProcessStartInfo Dim pStart As New System.Diagnostics.Process
startInfo = New System.Diagnostics.ProcessStartInfo("C:\my.bat")
[CODE]..............
Now if i leave waitforexit in it errors if i comment it out a dos window will flash up and go again but it has not run my bat file...this is what the error says in Details.. {"No process is associated with this object."} not sure why this is
I know how to handle a single objects property changed event very easily. I want to handle a objects property changed event that is part of another object.
Given Object:
[ObjectY = Y] + Public WithEvents X As ObjectX
I would like to do something like:
Private Sub XPropertyChanged() Handles Y.X.PropertyChanged
Right now I need to create a object that equals the object inside that object and then handle this variable pointers property changed, but that is just annoying.
I have a class orderItem it is a parent of Product and service class Im adding product or services in a listcollection. How can I cast service or product for retrieving orderitem?
Public MustInherit Class OrderItem Private m_enuItemType As TypeOfItem = TypeOfItem.None Private m_strUserID As String = ""
Given a connection object (or series of them), does anyone know of a way to backtrack and get the provider name? I'm trying to create a generic dataset generator that someone could load up with n DbCommand instances populate the dataset without requiring any further information.
Theoretically, as a command requires a connection object, that's all the information one should need to create this tool.Given that I'm populating tables in a dataset, I figured the simplest way would be using a DataAdapter. The only problem is that to generate a generic DataAdapter, I seem to have to go through the provider factory which requires a provider string - which I don't have.
Also, given that the provider for each command could potentially be different (i.e. commands across numerous databases), does anyone have any suggestions that would keep this simple?I'd like not to have to require the user to provide the provider string for each command object if I can avoid it. This way the user can just pass a param array of DbCommands and I can take it from there.
I have a problem in retrieving dateTime object from the database. I have this : Return CBO.FillCollection(Of ObjectInfo)(CType(DataProvider.Instance().ExecuteReader("sp_SelectAll"), IDataReader)) Then When I want to display the date from the collection I get from the stored procedure. the date was truncated. It shows only the timein the ObjectInfo..there is a field call _mydate as DateTime.
I like the PHP way of doing things but, it seems I am stuck with using a Collection of Object's to store/retrieve the data I need. I have my Collection loaded with my Objects's and the code to iterate through the collection, my problem is I am unable to retrieve the "key" as it would be called in PHP (I believe in this case it is actually the name of the object).
Consider the following example:
Dim xDoc As XPathDocument = New XPathDocument(fName) Dim xNav As XPathNavigator = xDoc.CreateNavigator()
Dim sender As XPathNodeIterator
[CODE]...
As you can see, I am navigating an XML document, and creating an Object with some Key/Value pairs. The Object would look something like this if it were in JSON:
When I iterate though the Collection I can only get the value of the object, but I need the Key, in this instance I want "name","address1","city","state" to be stored in a variable for each iteration.
I am using the following code to load an ArrayList with an object. [code]I don't know how to retrieve the object from the ArrayList using the Item property. I am using the following withOUT Success. The code is searching the arraylist for a match on serial number. Values(2) is correct and is working fine - the problem is purely getting the object information from the arraylist.[code]How do I pull the propertys back from the object in the arraylist to compare the values with Values(2)?
I built a WCF service that exposes itself for a web application, it accepts an object and prints the data on the clients machine. Works fine on my development machine, and the service is up and running on any machine i install it on. I can enter ip address in clients machine web browser and see it is running. Problem is when i send the object to the clients machine it returns an error, that sounds like it could be because of the clients windows firewall. Where would i start at to deal with this problem ?There was no endpoint listening at http://192.168.1.168:2202/PrintLabel that could accept the message. This is often caused by an incorrect address or SOAP action. See InnerException, if present, for more details.
Our customers get an unahndled exception as stated above. Can you tell me how to trap the error on customer applicaiton? Customer does not know when the error comes so i want to know what causes the error.
I have an image stored in sql server. I want to retrieve the image and place it in a MailMessage object, not as an attachment file, but as part of the html body. I found many samples using local image file, but I have not found any using an image from a database.
I have a combobox where the user can type the sql server name. Then a connect button that, when the user click, I want it to populate another combobox with all the databases from the server in the previous combobox. Unfortunately, I am getting the error object reference is not set....!
Here is where I am getting the error: For Each objDB As Database In Me.SMOServer.Databases I am new to VB ...I'm using vb2008 connecting to sql server 2005.
Here is my complete code: Imports Microsoft.SqlServer.Management.Smo Imports Microsoft.SqlServer.Management.Common Public Class Form1 'Public Class frmSQLConnection Private m_objServer As Server [Code] .....
I am faced with the prospect of having to completely rewrite the application.I have suddenly started to get this error message all the time - it seemed to start after I added a table to the schema, but deleting the table makes no difference. I can't see anything wrong with the connection string, but as it seems to be entirely undocumented, that doesn't mean much.
The connection string contains DataSource=.SQLEXPRESS;AttachDbFilename=|DataDirectory| est.mdf;Integrated Security=True;User Instance=Trueand certainly the string works when I use "test connection" from the application setting edit box. I am assuming that for some reason it is not evaluating the Data Directory , but can't see any reason why it shouldn't. Any ideas gratefully received! What might be a clue though is that I can't get rid of the table I added. I have deleted it from the database, deleted it from designer and saved the file, but it just keeps reapearing! Even when it is not showing, there is still a table adapter in the .xsd file. I am reluctant to start editing this manually because of the danger of screwing something else up - I did try but it caused an error somewhere else (VS helpfully didn't say where)
i am new to vb.net and dont have any idea about using datareader.i am right now doing a project on vb.net and am facing an issue.i have a form, where in i have to select the matching records from the database and show it in various textfields. as far as the query execution is concerned, i have successfully completed it, but i am facing an issue now. Suppose, i have an Id of a student, and he has registered for 3 courses, when i give the query something like select students.studentid,courseid,midtermmarks,finalterm marks from marks,students where students.studentid=course.studentid;it gives me multiple records.my doubt is, when i get multiple records, and which is true(in the case a student has registered for multiple courses), how can i traverse through the resultset and fetch the values in the respective textfields.
I m entering information of each person in Employee Information form and saving it in MS Access database.Now i want to Show the data of each person Individually and the information of the next person will be shown on the next button click. to do this what shall i use a crystal report or windows form.
I had a problem with WebBrowser component. Basically, it works improperly when try to log in on one web-site (Forex Trading Social Network | Online Forex Trading Forum and Social Networking Site). I am working with Visual Studio 2010 Professional. I created a simple WebBrowser trying to access the indicated web-site. The problem begins. Well, the website loads, but when you go to the login page (Forex Trading Social Network | Online Forex Trading Forum and Social Networking Site) and try to log in, it doesn't work. I mean, when I enter the login details the login page just refreshes itself and the login wasn't proceed. The same login page appear with every login attempt. The is the current problem!I check with Google, it works. But, it doesn't work with Forex Trading Social Network | Online Forex Trading Forum and Social Networking Site! Why?
