Visual Basic 12

VB12

Great Reads

Build My Own 3D Graphics Engine Step By Step

by Mr. xieguigang 谢桂纲

How to build my own 3D graphics engine from ZERO step by step

Powerful ShellScript for bioinformatics researchers

by Mr. xieguigang 谢桂纲

The ShellScript is originally developed for the debugging of my "genome-in-code" virtual cell simulation engine, but now it becomes a script language for a .Net program.

UpdaterApp - a Library for Easy Update

by William Costa Rodrigues

This article explains an easy method to download and update your WinForms application

Check the File Format of an Image.

by a_pess

Image File Format

Latest Articles

UpdaterApp - a Library for Easy Update

by William Costa Rodrigues

This article explains an easy method to download and update your WinForms application

Build My Own 3D Graphics Engine Step By Step

by Mr. xieguigang 谢桂纲

How to build my own 3D graphics engine from ZERO step by step

One Click - DB Script Deployment

by Mahesh Rajaram Shinde

This project is designed for addressing SQL Server Script deployment on multiple servers and databases.

Barcode Generator

by David Vanson

Generate you own barcodes for your business, Promotional items or to share links with friends.

All Articles

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Visual Basic 12

How to insert data in mysql server database online

2 Dec 2016 by $*Developer - Vaibhav*$

C# ADO.NET SqlCommand - ExecuteNonQuery[^]

VB10

VB11

VB12

VB14

MySQL

MySQL-Connector

Report Viewer does not show any data

29 Jan 2015 by /\jmot

try Use ReportViewer1.RefreshReport()Like my code.. ReportViewer1.LocalReport.DataSources.Clear() Dim adaptar As New HotelsDataSetTableAdapters.Rstrnt_Bill_TABLETableAdapter Dim rstrnt_Table As New HotelsDataSet.Rstrnt_Bill_TABLEDataTable ...

VB12

how to retrieve and view pdf file stored in access using vb

5 Nov 2014 by _Vitor Garcia_

Whats the error/exception and where it is ?

VB12

which program I have to learn?

22 Oct 2014 by a-dehghani

Thank you for your answers, sorry for some misunderstanding.I'm control engineer and have good experience with hardware as well. I did lots of control projects with DCS and PLC's. I want to improve my self in programming. I'm expert in MCU and know Assembly and C as well. But want to...

VB12

How Can I Use This C++ Code "While(!Stack.Empty()){} On Vb.Nrt

23 Sep 2014 by A.ALMUSBAHI

hello , first of all sorry for my bad English. i have been programming on C++ for some time, then moved to VB.net 2012.Every thing went ok so fare but i had a problem with Stacks.how can i use this c++ code while(!stack.empty()){ //other codes } on VB.net

VB12

C++

Check the File Format of an Image.

15 May 2014 by a_pess

Image File Format

VB12

.NET

GDI+

Extract Resources from an Assembly

18 May 2014 by a_pess

Demonstrates how to retrieve resources from a .NET Assembly in Visual Basic .NET

VB12

.NET4

.NET

Why My Thread Safe Generic List Does Not Respect My Enumerator

22 May 2014 by a_pess

ThreadSafe Generic List

VB12

Detect Image is Upside Down

2 Jun 2014 by a_pess

Check image is upside down in VisualBasic.NET

VB12

.NET4.5

.NET

Help about Crud Gridview ASP.NET

8 Sep 2014 by Abhinav S

Move the CRUD logic to a different class. Call it the controller.Keep view (i.e. aspx and aspx.designer) logic separate from the CRUD logic by using this approach.

VB12

Visual-Studio

ASP.NET

How Can I Add Sub Cells In Datagridview And Divide Headers In To Sub Header.

8 Dec 2015 by Abhinav S

This article could help you - DataGridView – Stacked Header[^].

VB12

how to change url from anchor tag?

7 Jul 2014 by Abhishek Burrnwal

">Now, Url- ViewWebSite.aspx?UserId=15But I want to change UserName/UserId/15

Asking NumericUpDown control tricks

20 Sep 2014 by Abinonos

Hello;I'm using NumericUpDown control on a windows form, when executing, pressing Delete key or Backspace key make the field empty.how can i reset the value to its minimum value when this situation occurs ?thank you

Asking NumericUpDown control tricks

21 Sep 2014 by Abinonos

Thank you for your answers , Bill, Sergey;I'm trying your advices and solutions and will comment that soon.As i will use the NumericUpDown control many times, i will even consider iheriting from the raw one to implement any eventual solution.Thank you

[VB.net]Game, Beginners project: Player Movement Issue's

30 Jan 2015 by Adrian Ulland

Hello, I just want to make sure you are aware this is a beginners project I am having. I am not using XNA.Framework, DirectX, Unity or any game engines, I am making my own game completely from scratch using windows forms in VB.net, so far its alright- however:Question 1: When you move around...

VB12

WinForms

game

Fill listview with checkboxes based on another listview checked item

18 Sep 2021 by AdvenSQL

Plz Help I am using visual studio 2017, sql server 2016 I need to fill listview2(Containing Sub Departments) with checkboxes, based on another listview1 checked items & when I select an item in listview1 its all sub departments from Sql server...

VB12

VB15

VB10

.exe file not running in new folder.

4 Jul 2015 by Afzaal Ahmad Zeeshan

Actually your executable is targeting some other resources found in the project folder (folder names also matter in this context; see Solution 1 by OriginalGriff for that because many things are required to run an application no matter if it just says Hello world in your Console). First of all,...

VB12

How Do I Add Data Value To My Combo Box

21 Aug 2014 by Aiman Ali

how do i add the DATA VALUE in my combo box? because i am not interested in the text. the text is just for user to see but the DATA VALUE is wat i want to specify MYSELF. HOW IS THAT DONE GUYS???? I AM USING VB. VISUAL STUDIO 2013. Thank u

VB12

How to solve this: String or binary data would be truncated VB inserting to sql

22 Aug 2014 by Aiman Ali

If TextBox1.Text "" Then cn.Open() cmd.CommandText = "insert into students (FName,LName,StdIDNo,Gender,Status,Date_Enrl,Category,Addr1,Addr2,City,Country,Phone,EMailAddr,Zip) values ('" & TextBox2.Text & "','" & TextBox3.Text & "','" & TextBox1.Text & "','" & " " & "','" & " " &...

VB12

SQL

Dataview rowfilter evaluateexception

6 Nov 2018 by Alek Massey

Wildcard chars are allowed at begining or end or both but not the middle. The following would be allowed and would include your target row. Dv.rowfilter="Name like '%a m%'" Operator LIKE is used to include only values that match a pattern with wildcards. Wildcard character is * or %, it can be...

VB12

.NET

Change the value of a textbox in a report viewer from code VB.NET

17 Jan 2022 by alip1

I have a report drawn through SSRB 3.0. The report is of the .rdl type so through VB.NET code and Report Viewer is hooked and displayed. The data set is managed dynamically so that records can be filtered according to the user's needs. The...

How Do I Answer This Radar Chart Question?

21 Jun 2015 by Andy Lanng

We don't do homework. There are several reasons for this but they are all for your benefit.Give it a go. Get started. Write some code. If you get stuck and have a specific question then let us know.If you have some code, post it and show us where you are stuck. We will help you find...

VB12

Part 2: CodeProject.Show DeepDive - exploring the source code behind

21 May 2015 by Anele 'Mashy' Mbanga

Exploring the source code behind the offline CodeProject article writer CodeProject.Show.

I want to click LinkLabel. googletraslete I have shown in the picture. How do I click a button?

31 Mar 2015 by AnotherKen

Maybe this will help? Mouse and Keyboard Tracking and Simulator[^]

Basic

VB12

VB11

How to load next 4 lines of text to a textbox

11 Feb 2015 by anup.bhunia

If this a windows form application,declare the file variable in form scope, instead of local. Open the file in form load.If this is a web application, you need to keep the last line-no in a hidden field. On next click skip upto that mark before loading the next lines in your textboxes.

VB12

forms

What is a Best Progamming language? Visual Basic or C#.net

6 Jan 2015 by Anupama Rhiyas

i want to know about different above visual basic and c#.net Language?

VB12

How Do I Search For Record From Mysql And Display In Vb And Also Update

11 May 2014 by Arkorful Jnr

Private Sub BtnFind_Click(sender As Object, e As EventArgs) Handles BtnFind.Click Dim id As Integer con = New SqlConnection("Data Source=.;Initial Catalog=Church_Management_System; Integrated Security=True") con.Open() id = Val(InputBox("Enter Membership ID", "FIND...

VB12

How Do I Store A Data From A Binded Combobox To Another Table

11 May 2014 by Arkorful Jnr

'con = New SqlConnection("Data Source=.;Initial Catalog=Church_Management_System;Integrated Security=True") con.Open()sqlstr2 &= "INSERT INTO POSITION VALUES (@Membership_Id, @Position_title, @Name, @Dep_Name)"sqlstr6 &= "INSERT INTO POSITION SELECT * FROM POSITIONS where...

VB12

How can I create a user control that navigates through buttons only

1 Jun 2017 by Arun Sivasankar

Sorry for my bad english. I am a newbie in vb.net. I am creating a user control. My requirement is to make a control that has multiple pages that navigate through buttons only. Should add controls to that pages in design time. What I have tried: I created one inheriting tab control. I need to...

VB12

remove selected element by javascript

25 Jun 2014 by Ashok8033

Hi,Declare count Variable globally,when click remove button you can get count of newly created control.

VB12

Javascript

ASP.NET

in IE 8 applicatipon Menu not working.

6 Jun 2014 by Awadhendra Tripathi

Update your windows or update your IE( may be some patches are missing)orJust Uninstall your web browser or format your machine. :)

web browser user name password error.. I put incorrect code

4 Apr 2015 by BacchusBeale

You could make/host an error HTML page and redirect (Navigate) to there when there's an error.

VB12

VB11

I have a problem after migrating my mdb database to accdb using MS access

16 Sep 2019 by BassamKassem

When trying to use my VB.Net application to connect to accdb file that was originally converted from mdb using MS Access it the application gave me Unrecognized database format however when reversing the action and use the original mdb file it works normally also the migrated accdb file is...

VB12

MS-Access

I have date error in SQL server database while using it with my VB.NET application

22 Sep 2019 by BassamKassem

I'm getting this error after migrating my database from Access to SQL Server . below are that actions I need do but all of them gave me error "SqlDateTime overflow. Must be between 1/1/1753 12:00:00 AM and 12/31/9999 11:59:59 PM." 1- I need to search for all records that are exceeded 24 hours...

VB12

SQL-Server-2014

VS2013

I have an error while running an SQL query using parameters method (child list cannot be created

1 Oct 2019 by BassamKassem

I get an error call "Child list for field Customers cannot be created." after query execution specially after changing my sql queries to parameters instead of sql injection queries , here is the code //////UPDATES\\\\\\\ Sorry for not providing full info however here are the needed updates:...

VB12

SQL-Server-2014

What is the best database solution to be used with network shared drive using VB.NET application

4 Oct 2019 by BassamKassem

Hi everyone I have an application that manages database . This application is used by 40 different computers over a shared network drive. What I have tried: I was using .mdb MS Access database and this file was on a network shared drive tp which my VB.net application connects. This was good...

Empty records added to SQL server database while uploading bulk records through xls file in VB, net

7 Oct 2019 by BassamKassem

My problem is that when uploading bulk records to SQL Server database through VB.Net it creates a lot of EMPTY records after Inserting all records inside the xls file how to eliminate this issue. taking into consideration that Excel.xls file has no Empty records . What I have tried: ...

SQL

VB12

SQL-Server-2014

problem in sending captcha in comments

5 Sep 2014 by behish

Hi I have a page which users can send their comments,the problem is: when user enter security code the browser post back and message please enter security which is entered already,would some body please help me?here is my html code: .::...

VB12

C#5.0

ASP.NET

DatagridView Add Three Header Row

25 Jul 2015 by bellatriks

Hi,I want to add three header row to DatagridView.Row1 -> Columns Header -> 2013,2014,2015 Years (Merge Months Count = 12)Row2 -> Columns Header -> 1,2,3,...,12 Months (Merge Days of Month = 28,30, or 31)Row3 -> Columns Header -> 1,2,3,...,28,29,30,31 Days of Month (I calculate this...

VB12

Lost checkbox value when filtering in datagridview using textbox

18 May 2016 by bellatriks

Hi,There's a checkbox column in DataGridView. Also, there's a text box which is used for searching.When I type in textbox for search, results are filtered automatically. I choose the items I want from the filtered results. When I type another word/letters or delete the keyword from the...

VB12

DataGridView

How to fire Selected index Changed event for ajax auto complete extender?

3 Jun 2014 by Bhushan Patki

Fetch values in asp.net AJAX AutoCompleteExtender

VB12

Ajax

ASP.NET

Asking NumericUpDown control tricks

20 Sep 2014 by BillWoodruff

If your goal is to make sure the NumericUpDown Control is reset to its minimum value if the value-entry-field is empty, and the NumericUpDown Control loses Focus:private void numericUpDown1_Leave(object sender, EventArgs e){ if (numericUpDown1.Text == String.Empty) { ...

Pre Defined Areas in an Image

5 Dec 2014 by BillWoodruff

Why don't you get started by studying this CodeProject article which shows you how to build an 'imagemap' control for WinForms: [^]You may also get some ideas from this CP article on an ImageMap for ASP.NET: [^].Some important choices you'll have to make are:1. are you going to...

How to close pdf document

1 Feb 2018 by blueye89

Hello to all, I have 5 pdf documents opened in 5 tabs in Adobe Reader. 111111.pdf 222222.pdf 333333.pdf 444444.pdf 555555.pdf Let's say that I want to replace one of them. So, I have to close it before. Is it possible to close some of them through VB.Net? What I have tried: For example I...

VB12

Problem during printing

18 Feb 2019 by boudyonline

I've made a small program by visual studio 2012 contain print procedure using report viewer it's working ok in my PC , but after deploying program using Advanced Installer program and install it in another PC it gives error in printing form as shown in the following picture...

VB12

Problem during printing

27 Feb 2019 by boudyonline

The reason was that file should be install SQLSysClrTypes after that it working well Thanks for all

VB12

VB code for MODBUS RTU

7 Oct 2015 by cadiazran

Hi, I'm using the same code for this on .Net >. I have a PLC connected to a PC through Modbus RTU (RS485). Between PLC and PC I have a RS485-RS232-USB converter. I'd like to know how this program could read and write memory registers of 4 bytes (2 words) size. I need to handle memory...

VB12

How to copy and paste from excel work sheet to another workbook in console application

2 Sep 2015 by CgKumar

Hi Friends,Here i have error when the data in excel1 paste into the excel2 at specific location. The error is: "An unhandled exception of type 'System.MissingMemberException' occurred in Microsoft.VisualBasic.dll Additional information: Public member 'Paste' on type 'Range' not...

VB12

How to create bar graph in excel automatically by following same excel file data

2 Sep 2015 by CgKumar

Hi friends,Here i have problem for creating bar graph in excel automatically by following same excel file data. The needed flow of my program is:1) Open and read the targeted table in file "C:\Users\Thaneskumar\Desktop\Copy of SBL_Release_Yield Loss .xlsx".2) Create another excel...

VB12

How to make the function key F5 to function by clicking a button in vb.net?

10 Sep 2015 by CgKumar

Hi Friends,Here I have some problem. My computer F5 function key is spoil. Here I need to refresh data every day. Thus I plan to design a windows form with one button. If I click that button, it would need to perform as F5 key. Could any one help me?The below code is shows were I design....

VB12

Cannot import the data from Excel to .mdb access file using vb.net

27 Jan 2022 by cgthanes

Hi Friends,I m recently doing a program were import the data from Excel to .mdb access file using vb.net. But i have some problem, the data were inside the excel file is cannot import into the access file. can anyone help me? Please your help is required....Thanks.Best Regards,...

VB12

how to create a sudoku code using vb 0.6

30 Aug 2014 by ChauhanAjay

Try this linkcreate a sudoku game[^]

VB12

How to create a setup for a project in VB.Net 2012 with Install shield

24 Jan 2015 by CHill60

A summary of where we are so far...- You made sure the access database and the contents of the bin folder had all made their way to the target machine.- You then got an error "Could not load the assembly Microsoft.ReportViewer.Winforms so you installed Report Viewer[^] but you are still...

VB12

How to accumulate points in vb

13 Dec 2015 by CHill60

You are trying to add an integer to a string (.Text) which will result in the runtime exception Quote:An unhandled exception of type 'System.InvalidCastException' occurred in Microsoft.VisualBasic.dllInstead do something like this ... First you need to get the current text of the label as an...

VB12

I need some help with my project

22 Dec 2015 by CHill60

Firstly - anything that is intended for logging keys, grabbing passwords, hiding from Antivirus is intended for malicious purposes. That behaviour isn't just prohibited here but on all reputable sites. You will get no help with it.Secondly - you said that your teacher asked you to make a...

I am trying to validating date in visual basic 2013 but which code I wrote it cnt responsed, please help me

24 Oct 2017 by CHill60

Have you tried debugging? Here is a guide to how to do that Mastering Debugging in Visual Studio 2010 - A Beginner's Guide[^] Why redisplay the form (that is probably what is affecting your focus - try removing : Me.Show()

VB12

How can I extract URL in website with begin of https://edge

17 Jan 2022 by CHill60

Your regex seems over-complicated and doesn't check for playlist.m3u8 at all. Why not keep it simple with ^https://edge.*playlist.m3u8$ - ^https://edge line must start with "https://edge" - .* followed by zero or more characters - playlist.m3u8$...

VB12

VB6

Communication Library Files - LMS5lib | Connection and Structure

16 Apr 2015 by Chris Jorna

Communication Library Files - LMS5lib | Connection and structure

There is already an open datareader associated with this command which must be closed first. Please provide easiest way of fixing this with explanation

20 Mar 2020 by codejet

Try enabling MutipleActiveResultSet in your connection string add this MultipleActiveResultSets=True

VB11

VB12

VB14

Is there better way to do this?

27 Jul 2014 by CPallini

If I got you, you should display a message box only when a change of state happens, that is whenever IsAvailable changes from False to True (or the opposite). In order to do that, you have to store last IsAvailable value and compare it with the current one: if they are equal then do nothing; on...

VB10

VB12

Real time data plot from arduino sensors to visual basic

24 Aug 2014 by CPallini

You are probably going to receive the sensor data on a virtual serial line. So, your first task is the proper handling of serial line communication with the Arduino board (you may find many articles on this topic).Then you have to display the received data using a chart. You may find some free...

VB12

Visual-Studio

[VB] Advices to develop an Idea

7 Sep 2014 by CPallini

This Wikipedia page could be your starting point: "Bin packing problem"[^].

VB12

artificial-intelligence

shape

I want to decrease lines of this program please help

23 Nov 2017 by CPallini

You should use arrays of controls (e.g. txts(5) instead of txt5s) and arithmetic relations, in order to reduce all the Case stuff to If cur_years

VB12

Receive and control serial device data in visual basic

13 Nov 2017 by CPallini

Quote: Me.rtbReceived.Text &= [text] Dim fine As String = Mid([text], 7, 3) Dim list As Integer = ListBox3.Items.Add(fine) The problem is you are adding to the list while the text box string might be still incomplete (you are building it incrementally). You have to...

VB12

What is wrong in the SQL statemnet

18 Sep 2021 by Daan Assenberg

CmpCommand = New OleDbCommand("Select * FROM tblCompetitie WHERE((verID)=myVerID) ORDER BY comOmsch", BiljartConnection) CmpCommand.Parameters.Add(MyVerID) CmpAdapter = New OleDbDataAdapter CmpAdapter.SelectCommand = CmpCommand CmpTable = New...

VB12

Visual-Studio

How do I change this For... Next statementinto a Do...Loop

6 Apr 2014 by Dalek Dave

That is because dblRate is NOT declared! Dim dblPrincipal As Double Dim dblPayment As Double Dim blnIsConverted As Boolean Not there.Declare it and see the difference!You are declaring it within the if then statement, so it is declared if the...

VB12

Ajax Autocomplete extender is not working in vb .net

3 Jun 2014 by DamithSL

change your web method signature as below System.Web.Services.WebMethod()> _Public Shared Function GetCompletionList(ByVal prefixText As String, ByVal count As Integer) As List(Of String)End FunctionAnd you better follow the stems in AJAX...

VB12

ASP.NET

Ajax-toolkit

remove selected element by javascript

25 Jun 2014 by DamithSL

check below examples fro how you can add remove dynamic text boxes on button click Dynamically Add and Remove HTML Elements using JQuery append(), after() and remove() methods[^]JQuery to create dynamic textboxes on button click[^]hope this helps you to find solution.

VB12

Javascript

ASP.NET

how to change url from anchor tag?

7 Jul 2014 by DamithSL

use HyperLink ' runat="server" /> then you can access control from code behind hyperlink1.NavigateUrl =newUrl;

Convert talbe in arraylist in VB

23 Jan 2015 by DamithSL

chnage list.Add(dtrow)to list.Add(dtrow.Item("Submit_id"))

SQL

VB12

Cannot import the data from Excel to .mdb access file using vb.net

25 Aug 2015 by DamithSL

you need to read from excel and insert into access database using insert sql statement, currently you are creating access file and table but not inserting data. reading from excel file using select sql statement will not insert data to access database. sample code :Dim connect As String =...

VB12

visual basic 2012 add new column to .sdf databas

3 Jan 2016 by DamithSL

go to properties of sdf file, Set the Copy to Output Directory property of the .sdf file to Copy always.

VB12

Visual-Studio

database

Is there better way to do this?

27 Jul 2014 by Daniele Rota Nodari

You can subscribe to the event associated with the IsNetworkAvailable property.Subscribing the event you would receive notification every time the value of IsNetworkAvailable property changes.You will not need to loop and consume CPU cycles.You can write something like:Private Sub...

VB10

VB12

VB.NET code that will count the time you've been online at a particular website

4 Dec 2014 by Dave Kreskowiak

OS hooks are not going to do it.What you're describing is a proxy server. All requests go through the proxy and it can do whatever it wants with the URL requested, including count how many times it's visited.A proxy is just about the only thing that's going to work with all...

How Do I Control Parallel Port Using Vb.Net 2012

12 Nov 2015 by Dave Kreskowiak

You do NOT want to attach LEDs directly to the parallel port. There are projects out there that will tell you you can get away with it, but you risk blowing up the port if you're not careful and with some ports, it won't work at all.It's possible to do but I recommended against it. See this...

VB12

Visual-Studio

electronics

Im stuck on my code, the head of the snake dosent move

8 Dec 2015 by Dave Kreskowiak

Are you seriously trying to create up to 1,000 PictureBoxes?? DO NOT DO THAT!! Your code will get slower and slower with the more boxes you create, to the point where you're app will be unusable.You REALLY have to scrap this code and rewrite. I suggest dropping a Panel control on the form...

VB12

How to turn off monitor permanently ?

22 Jun 2016 by Dave Kreskowiak

Most monitors don't support being turned off completely by this command. Doing so normally just puts the monitor to sleep, not power it off. There is no way for you to get around this behavior and no documentation that I know of to tell you which monitors support this and which don't.

VB12

VB14

Deactivate system events completely?

24 Jun 2016 by Dave Kreskowiak

That depends on exactly what you mean by "deactivate a system event".At face value, no it's not possible to turn off the raising of a system event.You can, however, just not subscribe to the them. If you don't have a handler for the event, nothing happens in your code when the event is...

VB11

VB12

VB14

How to make a virtual display?

9 Jul 2016 by Dave Kreskowiak

This requires writing a Remote Display Driver[^].I hope you're into C and debugging kernel drivers because you're not going to be writing this in VB/VB.NET.

How to get the file name from path?

1 Aug 2016 by Dave Kreskowiak

Path.GetFileName Method (System.IO)[^]Give this method the fully qualified path and it'll give you just the filename portion.

VB11

VB12

VB14

Compare current with previous serial data visual basic

11 Jan 2017 by Dave Kreskowiak

The problem is that you're app doesn't store the information in a data model. You're using a display/edit control as your data container and that's not good practice. It's also what's making it very difficult for you to do this comparison.Create a data model in your code to store the data....

VB12

There is already an open datareader associated with this command which must be closed first. Please provide easiest way of fixing this with explanation

16 Mar 2020 by Dave Kreskowiak

It appears that you made the mistake of using a single SqlConnection object throughout your entire class. That's the wrong way to do it and leads to problems like this. ALWAYS create your connection when you need it, like in this method you...

VB11

VB12

VB14

Vb.net vs Fortran - keywords and reserved words

25 Aug 2021 by Dave Kreskowiak

Keywords - Visual Basic | Microsoft Docs[^] FORTRAN 77 doesn't have any reserved words, but that doesn't mean using any keywords is a good idea.

How do I change the sql db connection at run time in ASP.net using VB

9 Mar 2015 by Dave-10169531

I have an application where the user logs in and when they are validated the application needs to change to their database. I have done this in Windows APPS but I am new to the ASP.Net arena. Any help and or guidance is greatly appreciated.I have attempted to search for a solution but I...

VB12

SQL

ASP.NET

Barcode Generator

10 Jan 2016 by David Vanson

Generate you own barcodes for your business, Promotional items or to share links with friends.

Is there better way to do this?

27 Jul 2014 by DeadlyNoodle

Hey guys, am quite new in programming and this is my first time using "While/Do While".this is mine code: If My.Computer.Network.IsAvailable = False Then 'do nothing While My.Computer.Network.IsAvailable = False Label1.Text = ("Internet Down") ...

VB10

VB12

What I Did Wrong / How This Can Be Done?

28 Jul 2014 by DeadlyNoodle

hello, could anyone tell me what i did wrong and how to fix this, here is the code.This should be bookmarks bar in metrotoolbar (dotnetbar). If this code is completely wrong could you provide me working code?my settings is set to System.Collections.Specialized.StringCollectionam using...

Having trouble with error checking in arrays

16 Nov 2014 by dehumanate

Ok, let's see if, without using an IDE or a VB compiler, we can find some bugs!Firstly, let's simplify that huge loop - notice how ever block after each If statement checking intCount is the same? We can refactor this to use the loop effectively:Private Sub btnVerify_Click(sender As...

VB12

VS2012

Visual-Studio

How do I set "Two Pages" in PrintPreviewDialog ?

15 Apr 2014 by Duncan Edwards Jones

PrintPreviewDialog1.PrintPrevi...

VB12

Visual-Studio

How do I connect LightSwitch to SQL database which is in a shared network pc drive.

18 Aug 2014 by ehabelnahas

Hi all,I need to connect my Visual Studio LightSwitch with VB.NET project to SQL database which is located on a shared drive on a local network .. Database Name is: Proj2014DB.mdf The PC name containing the DB is: PCNO10Drive on PCNO10 containing the...

How do I connect LightSwitch to SQL database which is in a shared network pc drive.

18 Aug 2014 by Eldon Elledge

Provided that the PC that the Proj2014.mdf is located on is setup to properly run SQL Server (or Express or LocalDB), include the PC Name (or IP Address)\ SQL Server name. See below:Data Source=PCNO01-PC\SQLEXPRESS;Initial Catalog="Proj2014";Integrated Security=True;Pooling=True;Connect...

How do I connect LightSwitch to SQL database which is in a shared network pc drive.

18 Aug 2014 by Eldon Elledge

It will need to be installed on the PC that has the database file. Based on the needs, there are different versions to look at:LocalDB - on a local PC - Great for Developing and TestSQL Express - Great for light use across the network with a few users.SQL Server - High-End use

C# / VB.NET and WinAPI: How to Access Window of Other Application

30 Jan 2015 by Emiliarge

Using FindWindow() and WindowFromPoint() to identify window, and SetWindowText(), MoveWindow(), SetForegroundWindow(), EnableWindow() to interact with it

how I can insert a linq query cache in C# o Vb ?

1 Dec 2014 by Er. Dinesh Sharma

Hi Use Binary Serialize to store on local machine with unique key combination and serialize when retrieve.

VB12

cache

How Do I Answer This Radar Chart Question?

23 Jun 2015 by fahmijaafar

hi there, newbie here. i just dont know where to start after finishing with the interface. how do i save the combo box in database and then, insert the value for every answer before calculating the final marks for the question below. please help me walk through the solution. every help is deeply...

VB12

getting ExecuteNonQuery() error

25 Jun 2015 by fahmijaafar

hi there. i've tried to search for solution for this problem online but i just cant find the one that fits. can anybody help? whenever i try to use the add button, it show ExecuteNonQuery() error. im trying to save the data into access databasethanks for our help.btw data for id is words and...

VB12

database

MS-Access

How to encrypt password entered in login form using VB?

1 Mar 2018 by faiqaa

In my Login form the user needs to input the username and password in the relative textboxes and then press the button LOGIN. The username and password are already saved into a text file, every time the user tries to enter the username and password entered by him will be matched with the ones...

VB11

VB12

encryption

How to save and display data from text file using the same button in VB?

2 Mar 2018 by faiqaa

This form allows me to calculate the monthly average when I click the respective button, I want to be able to calculate the average display it in a label and then save this value into a text file and when calculating another average I want to be able to display the previous value calculated...

VB11

VB12

VB14

How to read only 4th item ( number) from a text file row in VB? And display message box based on this number?

2 Mar 2018 by faiqaa

I am trying to display a message box based on the quantity regarding certain products saved in rows of data (4th item) in a text file, I know how to read each row but not how to only read a specific item.Does anyone have any idea? Let me know,thanks in advance. Below you can see what code...

How to sort listbox rows using first item in VB?

2 Mar 2018 by faiqaa

I am saving stock info such as product ID,Product name,price and quantity. I want to be able to sort by product ID using a bubble sort. I am first loading the data into the list box from the relevant text file and then sorting. I have tried using the one below but it doesn't not seem to...