[vb.net] Forum Topics

I want to do some action with the help of multiple key pressed in vb.net even program is minimized. I've read the only way of detecting global keys is using a timer. So can someone **please** tell me how to do it? With multiple keys. (eg: ALT+A)

hi everyone, I am a newbee when dealing with databases.... so far i have a sql database in my sql server(local). Have open a project in vs2010express and have connected it to my DB. on my form i have the datagridview populated with my database, have buttons that can add …

SYSTEM: Windows 8.1 Tablet, VS 2012 OLD SYSTEM: Windows 7, VS 2013 Enterprise (thanks to my employer) Something is wrong. I never had any errors on my old system. On my new system, I'm getting the following: An unhandled exception of type 'System.Exception' occurred in Microsoft.VisualBasic.dll Additional information: Cannot create …

But i am not getting the selected data displayed on the datagridview... pl do help me.. Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click Dim dfrom As DateTime = DateTimePicker2.Value Dim dto As DateTime = DateTimePicker1.Value Dim SQLString As String = "SELECT * FROM cc WHERE …

hi.can someone help me. i have two running totals in my report (in group footer section) 1. first running total is the total count of record of each group (RTotalManpower) (field to summarize : Name) 2. second runnning total is the total count of each record with grades >= 70 …

Hi, im a newbie so please go easy on me. I'm trying to create a multilevel marketing system with access database but with 8 levels only per account of a member. I'm kinda stuck on adding profit to different (chain) upline accounts when adding a member. I can't seem to …

to create unique reference i had below code in **vb6** Dim UNKREFBATCH As String UNKREFBATCH = "B" & Format(Date, "MMDD") & Format(Time, "HHMMSS") but the same is not giving correct result in **vb.net** Dim UNKREFBATCH As String UNKREFBATCH = "B" & Format(Date.Now, "MMDD") & Format(DateTime.Now, "HHMMSS") MsgBox(UNKREFBATCH) instead of minutes …

I have a grid that I am trying to move the grid rows either up or down based on button click. Here is what I have so far. Protected Sub imgBtnMoveUp_Click(ByVal sender As Object, ByVal e As System.Web.UI.ImageClickEventArgs) Dim imgBtn As ImageButton Dim FirstRow As GridViewRow = gvQuoteSo.Rows(0) Dim btnUp …

Hey. So I have a flowlayoutpanel populated with custom user controls. Now, after each fifth control I want to have a separation label, pushing the following controls in a new row. That works fine, except the distance between the label and the controls in the new row is way longer …

i am trying to import data from excel to datagrid view. why instead of actuel data "System.__ComObject" is displayed in datagrid cell. Dim xl As New excel.Application Dim xlsheet As excel.Worksheet Dim xlwbook As excel.Workbook xlwbook = xl.Workbooks.Open("d:\PayableInput\InvoiceUpload.xlsx") xlsheet = xlwbook.Sheets.Item(1) Dim Rowst As Integer = 0 Dim RN As …

Hi to all long story short, i have 2 executable files **first.exe second.exe** i want to run both with one button, i know i can run one executable file with this code Private Sub Button1_Click_1(sender As Object, e As EventArgs) Handles Button1.Click Process.Start(My.Computer.FileSystem.CurrentDirectory & "\first.exe") End Sub but how do …

How do i read and write from a notepad using vb.net

how to write to file in program folder in VB.net? ex Program Files\n\n.ini. how to write to n.ini in program folder.

how to AutoScroll Listbox in continuous manner in VB.net? ex AutoScroll 1 3 5 then start again from 1 3 5

kay so we have an activity, the activity was to make a simple cashier system using filestream. So the layout will be there are 3 radio buttons ( foods,drinks,desserts) so for example i chose foods the comboBox will automatically update it's value like a list of foods. I already had …

Hye. i need to build an inventory system. In that system, the production department will scan the barcode in each item. **How should i connect the barcode scanner with the system ? ** and the requirement of the system is to be able to compare the information scanned **with** the …

Hello all, I am a vb.net newbie and I am trying to write a code that when executed pulls the latest file on an FTP server (based on creation date). So far, I've been able to list all the files in the remote directory. I know this can be done …

Please tell me how to get report for a given from and to dates using crystal reports......i am using access database.....thanks in advance....

Hi There. I have the following code for a login system withing VB 2010. I am getting a Warning: "Variable 'reader' is used before it has been assigned a value. A null reference exception could result at runtime." Where did I go wrong? Private Sub btnLogin_Click(ByVal sender As System.Object, ByVal …

I'm trying to create my own Database and Tables in SQL Server 2005 using VB.NET 2005. I get an error when I try ExecuteNonQuery, which says that the connection is not initialized. I'm not sure if I'm doing any of this right. Any help would be greatly appreciated! Sheryl [code=vb] …

HI! I CREATING A "POS" APPLICATION FOR MY SHOP I WANT TO KNOW THAT HOW TO PRINT OUT DATAGRIDVIEW DATA Like This: -  to this : 

I want to connect my access database to my project in vb 6. What are the steps i should follow? Once i'm done with that, i want to know how to drag them and place them on a form (like the way we do it in VB.NET). Thank you

i have just installed visual studio 10. Im not familiar with it. I want to connect MDB file to it. I have googled that but could not find appropriate code. So would anyone help me finding the equivalent Visual Studio 10 code to the VB6 code i am pastng below. …

My requirement is to select a supplier name from a Dropdown list(DropDownList_Supplier) and use the value to get Supplier id from the table "[SQS].[dbo].[Services]". I am using the below code and i am not able to get the value in the required field. Public SUPTEXT As String = "SELECT [ID] …

Public Function getSelc() Dim com As New SqlCommand Sqlcon.Close() Sqlcon.Open() Try com = New SqlCommand("EXECUTE regionSelect '" & txtID.EditValue & "','" & txtRegion.EditValue & "','" & _ txtShortN.EditValue & "','" & txtStatus.EditValue & "'", Sqlcon) objDA.SelectCommand = com objDA.Fill(objDSs) '=> could not find stored procedure ( 'but I have it …

Hello everyone,my question is the following: I have a database with two tables.What i want to ask is ow can i bind one column of the database to a txt file eg: when i press a button in my form it saves the contents of my richtextbox to a file …

Hi guys, Im very new to vb.net. I have this project that I'm working on Just to get more insight and appreciate programming. Now the problem I'm getting now is how to save the picture already selected to my picture box into the database (sql-server) this is my datase: memberID …

Hi - I've done a bit of VB.net programming but am still learning .. I want to create a .net DLL which I will call from another application (NS Teststand). When I call the Dll - 1. I will need to pass a string to it, 2. It must show …

how i do alphabet sequence like aaa to aab on button click then aab to aac on another click,this happen upto zzz and after zzz again start aaa

I am trying to insert some values into a database and I have the following SQL: insertString = "INSERT INTO SocialHistory (ExamID, Occupation, SafetyYN, ComputerYN, ComputerHrs) Values('" & CurrentExamID.ToString & "', (SELECT Occupation, SafetyYN, ComputerYN, ComputerHrs FROM SocialHistory WHERE ExamID = '" & LastExamID & "'))" When I execute the …