Can I connect phone landline to my computer and when someone call me his information appears by his phone number this information already exist in database.. I want to know is it a service from communication company or can i do it by code just plug the cable into my computer ?
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I have a windows forms application written in VB.NET which scrapes information from serveral web pages (who doesn't right)? Anyway, I am having problem with one particular site where partway through the page navigation my application hangs. When I press pause (or break) in the debugger, it stops on a call to System.Windows.Forms.Application.DoEvents.
Resuming execution shows that it really is stuck on this line (it does not reach the next line of code). It also hangs about the same point each time I run it (at least its consistent). Since System.Windows.Forms.Application.DoEvents yields to other threads on the same processor and then resumes execution of the current thread, I think the problem is that some other thread is not behaving well (not returning from some event handling code). I thought Windows 7 was pre-emptive, which makes me
doubt that theory but I really don't know.
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The program scrapes somewhere between 12 and 14 pages before it gets stuck on the call to DoEvents. Does anyone have a clue why this would happen? Why would any call to DoEvents hang?
I Have one Windows Application in which i have one MDI Form (Say App1). And I too have another Windows Application in which I have a Child Form (Say App2). So now i want to Call App2 from App1 .. And want to Display App2 form As MDIChild in App1 MDI Form . I am Able to open the Form of App2 , But how to set It As App1' Child .
View 2 Repliesi am developing a CallerID application in Vb.net using modem..I am sucessfully getting the Callers No through Hyperterminal.How can i capture this Number through Vb.Net and Store it in a Database.
View 2 Repliesi am developing a CallerID application in Vb.net using modemI am sucessfully getting the Callers No through Hyperterminal
View 3 RepliesCan somebody tell me the steps to follow so that i can call my windows application (.exe) file from my windows service in C# (.Net 2003
View 2 RepliesI have written a windows service to do some operation (in .net), im calling the same in .net it works quite fine without any issues. Now my problem is i need to call the same service which is written in .net from an VB application.
View 4 RepliesI'm trying to use the Shell to have my application call an external application but its not working...I don't understand why. I get the following error: 'System.windows.shell' is a namespace and cannot be used as an expression!
Heres my code....any ideas what I'm doing wrong. Its got to be a simple...stupid error.
Private Sub mnuUpgrade_Click(ByVal Ctrl As Microsoft.Expression.Web.Interop.Legacy.CommandBarButton, ByRef CancelDefault As Boolean) Handles mnuUpgrade.Click
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I am a novice in programming and wrote several simple Windows Forms applications. I need to play mp3 file in Windows 7 x64 application.
Could you, please, explain in simple words, how to call MediaElement.Play() method from Windows Forms?
At present I have wrote an application (in-house CRM, vb .net 2010) which allows me to send emails under the selected customer & I categorised these emails.As these are categorised I can return data to display email history in my program by using search criteria:
Dim oMail As Outlook.MAPIFolder = oNS.GetDefaultFolder(Outlook.OlDefaultFolders.olFolderSentMail)
Dim sSearch As String
sSearch = "[Categories] = '" + "[" + tAccount.Text.Trim + "]" + "(" + tShipTo.Text.Trim + ")'"
Dim oItems As Outlook.Items = oMail.Items.Restrict(sSearch)
However the limitation to the above is it only looks at sent items & no other folder.My ideal solution would be to display all email correspondence for a certain contact.
I remember seeing somewhere on the net that there are classes in .Net that will return information about your computer. I know that System.Environment returns some of this information like MachineName and some other stuff. Are there other classes that will return information such as hard drive size, free and used space, total memory, used memory?
View 4 RepliesI have the following Code so the User can enter their domain before the program runs. The resulting textfile does not output the users..just the word Schema...
EDIT 1: Updated to include all code. I now can run it and it returns a text file that lists
OU=_USERS
OU=_GROUPS
OU=_ETC
ETC ETC
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This is annoying. I'm trying to put a wrapper around some functionality that uses a web service to return some information. The intention is to wrap all of that communication into a dll such that the user can simply call functions from the dll to get back information, without needing to care about the service.As far as I can tell, that isn't possible, because the service information, as far as bindings and endpoints, HAS to exist in the app.config of the program that references the dll. That means that anybody using this dll won't just be able to add a reference to it and use it, like they would with any other kind of dll, they must also edit their app.config to add in a bunch of information. That's a simple copy and paste job, but it's incredibly unfriendly, and exposes some of the internal workings of the dll to casual inspection.
View 8 RepliesIam trying to make a call to a thred by does not find how to start a Thred on a Function that should have a value and should return a value,I got it to work on Function or Subs that does not pass or return values.
Like this (Exampel)My Function TEST ( byval Par1 as integer ) as integer Par1 = par1 * 100 Return Par1 End Function
The call Public Thred1 As System.Threading.Thread
Thred1 = New System.Threading.Thread(AddressOf TEST (10) ) ' Does not work
Control.CheckForIllegalCrossThreadCalls = False
Thred1.Start()
How do a get the return value from my Function in a thred?and it seems like the System.Threading.Thread does not like fuctions with parameters?
Should I call .Dispose() after returning an object that implements IDisposable? [code]In other words, is the object I return a copy, or is it the object itself?
View 11 RepliesI have a Class in a Windows Form project. I would like to call the class return value from the Form1 sub on button click. How do I do that? Lets say I would like to display the Return in a MsgBox?
View 4 RepliesI have a Web Service with one WebMethod for which return value is boolean.It accepts XML file as string and process data. How can I first return status as true and then call the ProcessData method.
As the processing data takes time I need to return true first and then process the data.
[webmethod]
Public function receiveData(ByVal xmlstr as string) as boolean
dim status as boolean=false
try
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I have such a bad habbit of cramming all my code into one form. But i dont know when i should write a class. or dont really understand how to return the information back to form1. when should i even use a class? for example i have some code here
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I'm trying to call an external .vb file class function, is it like dim a as ClassName=new ClassName()? so how do you do with this kind of.. I try to search for return value from .vbs to project that i will compiled, but none got the answer..#The reason why i'm doing this is for feature maintenance..
View 1 RepliesI'm using ASMX web services in VB.Net in VS 2005. I am calling a function method on the web service that returns a true or false value. This works fine if I call the the web method synchronously, but if I want to call the method asynchronously, the function returns to a sub and there is no return value; therefore, I can't tell whether the result of call is true or false. Is there a way to make an asynchronous call and still get the true or false result (perhaps using the userState Object)?
For Example:
Dim MyResult as Boolean = MyService.GetResult(10)
Dim MyResult as Boolean = MyServer.GetResultAsync(10)
This doesn't work the compiler complains: "Expression Does Not Produce a Value"
I'm calling a class function in a thread function. I'm using invoke method to send a value to a progressbar in the main form and I don't know how to do that in an other class function called by the thread function.
My goal is to send a value to a progressbar to the main form from the thread function and even from the function called by the thread function.
My code:
' Invoke sub
Public Sub UpdPgEvent(ByVal value As Integer)
Me.pgFindEvent.Value = value
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I'm using VB6 and trying to get an instance of a Type Library object.After i retrieved the object and i'm trying to invoke a method. I'm getting this exception. However, i've checked with the parameters and its type. it is correct.I found something fishy, that method doesnt have return value. But it is throwing a compiler error whenever i'm trying to call the function and the compiler error went off when i get a return value from that method.I don't know,
View 1 RepliesI'm new to LINQ and am having a problem getting proper results from a simple (working) stored procedure that takes no parameters and returns a single Integer. When calling this sproc with LINQ its returnvalue is always 0. When run using tableadapter or directly on the sql server it works, returning 6 digit values like 120123.
Here is my LINQ code:
Dim MeetingManager As New MeetingManagerDataContext
Dim MeetingID As Integer = MeetingManager.NewMeetingID().ReturnValue Here is the NewMeetingID procedure:
ALTER PROCEDURE [dbo].[NewMeetingID]
AS
SET NOCOUNT ON
BEGIN
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i am using data grid and i want to update it when user change i but the fallowing command in button to save update but it did not work and it give error massage
Dim builder As OleDbCommandBuilder = New OleDbCommandBuilder(DataAdapter1)
Dim CmdB As New OleDb.OleDbCommandBuilder(DataAdapter1)
DataAdapter1.Update(DataSet1, "Section")
the error messge (Dynamic SQL generation for the UpdateCommand is not supported against a SelectCommand that does not return any key column information.)
I have a table Personal.. and bind it in dataset.. i want to update the fname using datatable.. but it is not working ..throwing the error "Dynamic SQL generation for the UpdateCommand is not supported against a SelectCommand that does not return any key column information."See my source code
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i have built a DB app using vs2010Beta2 + an Access DB .mdb file for my customers the save bnt work s ok, but when i close the app i get an error message come up saying :- Dynamic SQL generation for the UpdateCommand is not supported against a SelectCommand that dose not return any key column information.i have no errors repoted in the error window at the bottom and all runs well untill frm_closing,below is the code in my form closing event. below that is the code for the btnSave event
Private Sub frmMainCustomerDetails_FormClosing(ByVal sender As Object, ByVal e As System.Windows.Forms.FormClosingEventArgs) Handles Me.FormClosing
If MyState = "Edit" Or MyState = "Add" Then
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When this code segment execute
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Me.Validate()
Me.myDA.Update(Me.myDataSet.Tables("Table1"))
Me.myDataSet.AcceptChanges()
End Sub
It giving the following error. Dynamic SQL generation for the UpdateCommand is not supported against a SelectCommand that does not return any key column information. Can there is another way to update the access database by using datagrid view.
Title explains it what VB code could i use to have windows copy a folder and display windows progress bar?
View 1 Repliesi want to which way is better when concentration is on processing speed. i want to call a method that compute some data that method is on another form in my windows form application then what you prefer is better way 1) to call that method in another form and use returned value or create similar method in form where it is required.i want to make it's processing fast.
View 3 RepliesBackground: My application is used to execute tests using Selenium RC servers, and occasionally I'm running into a problem when my call to a Selenium command doesn't return the response from the RC server - it then ends up blocking the thread that is executing the test.
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