Hey all, i am trying to figure out how to go about creating dynamic checkboxes on my form when i do not know axacctly how many boxes i will need. The problem is that i do not know how to DIM more than one object. This is my code for creating one checkbox Dim checkBox As New CheckBox() Form1.Controls.Add(checkBox) checkBox.Location = N...
Pretty simple. UInteger data type hold any value between 0 and 4,294,967,295. MSDN. If I try this code in VB.NET I get a compiler error: Dim Test As UInteger = &HFFFFFFFF Error: "Constant expression not representable in type 'UInteger'. Why I can't set 0xFFFFFFFF (4,294,967,295) to a UInteger if this type can hold this value? ...
I am working with some VB.Net code that seems to be casting a boolean value to an integer using CInt(myBoolean). The odd thing that is happening is that it returns -1 if the value is true. For example: CInt(True) // returns -1 CInt(False) // returns 0 Is this common in other languages? I thought that a boolean would be 1 if true an...
Google is not good for searching for the # symbol What effect does the # in front of the if make? I am cleaning up someones mess and have never seen this before ...
I can re-size the flash object, but the video area itself stays the same. Even when using scale mode, it will increase the size of the video, but won't surpass the original video area. (Thus cutting off the video.) How do I increase the video's area? Anyone? Please, I've been stuck for a while now... :-( ...
I'm wanting to know to get Intellisense in Visual Studio 2005 to display the meaning of individual enum values for a VB.NET project. This already happens for enums that are a part of the .NET library: Is this possible? If so, how would I need to comment my enums to get this to happen? ...
Hi, I have the follwing XML: <?xml version="1.0" encoding="utf-8" ?> <configuracoes> <gerais> <atualizacoes> <tipo>automática</tipo> <frequencia>diária</frequencia> </atualizacoes> </gerais> </configuracoes> And the code: Dim xPathNavigator As XPathNavigator Dim xPathNodeIterator As XPathNodeIterator xPathNav...
I am still relatively new at VB.Net and Visual Studio and I'm assuming that this is a simple fix, but I'm not sure. I have an asp:checkbox control on an aspx page I am working on. This checkbox is within a custom control and previously was posting back every time it was clicked. I am in the process of ajaxifying the page and have come...
I have two executables that access a DLL containing Data Access Layer objects Each exe can have a different config containing info on server and database name, connection string etc. How do I pass the config info to the DAL objects? Obviously I can pass the config strings to the DAL objects every time I instanciate one, but that seem...
I need to induce a variable amount of lag in vb.net. System should be noticeably slower. I can raise the CPU usage of the program with infinite loops and some variable creation/assignments, but how can I actually cause lag? I understand this is an odd request, but I appreciate any help and would appreciate it being taken seriously. Th...
I have this problem: I have a vb.net class (visual studio 2010) : .... Private nowTime As String .... Protected Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick nowTime = My.Computer.Clock.LocalTime.ToLongTimeString .... End Sub How can I get the first value of "nowTime" String vari...
hi, am designing invoice for a sale Shop. so am using 'printLine' function to design my Invoice and printing it by BATCH execution. Now my Invoice works(Prints) fine but, IN my EPSON LX300 printer after printing the INVOICE it is going to the next sheet (B4 type sheet).(STOP THE PAPER AFTER THE Last-Line of MY INVOICE PRINTS) its a...
It should be able to draw interconnection between two points in a Manhattan distance manner.It should also avoid overlapping other nodes and lines ...
Hi, I have a problem and that is related to Menus in VB.NET. The problem is as follows: I have created a menu called "Test" and sub menus in that called "Test 1", "Test2", "Test 3", "Test 4" and "Test 5". The property "NAME" of these sub menus are "M1", "M2", "M3", "M4" and "M5". All these menus are disabled at runtime and in the MDI ...
I am using following code to search a specific file with .doc extension. How can I get this info into a variable to be used later. Thanks Dim di As New DirectoryInfo("d:\") Dim files() As FileInfo = di.GetFiles("*.doc", SearchOption.AllDirectories) ...
I've created some classes that will be used to provide data to stored procedures in my database. The varchar parameters in the stored procs have length specifications (e.g. varchar(6) and I'd like to validate the length of all string properties before passing them on to the stored procedures. Is there a simple, declarative way to do th...
Using Vb.net/SQL Server 2000 updating a row via a gridview/sqldatasource Stored proc: @ISTag varchar(10), @PCISTag varchar(10), @User varchar(50), @Date_Start datetime, @Date_End datetime, @Status varchar(50), @Cost money, @Notes varchar(500), @CreatedBy varchar(50), @ModifiedBy varchar(50) AS BEGIN -- SET NOCOUNT ON added to preve...
I am working on a legacy VB.NET application that uses Microsoft.Office.Interop.Word, with Office 2003 installed on the server. When I publish my site, even though my config file clearly shows v11: The site will crash saying v12 couldn't be found: Could not load file or assembly 'Microsoft.Office.Interop.Word, Version=12.0.0.0, Culture...
I have an update function that updates an sql server db table through a dataset. One of the fields in the table is an integer and accepts null values. So when I am populating the update function I need a way to enter a null in when the function wants an integer. I tried to do it this way but _intDLocation = "" throws an exception Dim ...
Can someone help me fix my code I am trying to put null in sql server through a function that is excepting _dtSWO. If I set _dtSWO = Nothing it returns #12:00:00 AM# which throws an exception. The field is nullable in sql server I just want it to return a blank Dim _swoDate As String = udSWOReceivedDateDateEdit.Text Dim _dtSWO...