20,284 Topics
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| | Hi Experts, I would like to seek your help on this. I wish to list all the installed application with icon and path. I saw once in a forum using the System.Management, but unfortunately, I am having trouble upon the execution. **Here's the code**: Dim moReturn As Management.ManagementObjectCollection Dim moSearch …  |
 | Hi i got this problem and i dont why it occured in my query i know that the Table name is correct and the Column Name is correct but this error always appear No value given for one or more required parameters. the it highlights the da.fill(dt) Dim da As … |
| | Hi, All, Greetings! Is this doable? I have a textbox for email address entry, now, when I type the email address and reach the @ character, there will be a dropdown suggesting common domains like msn.com,hotmail.com, aol.com, yahoo.com and etc. I hope you can help me. Thanks in advance. |
| | Hi Guys Im a newbie in vb.net and trying to insert data into students table and some related details to scores table. Point is, a student registered in a class(level) must offer subjects (courses) for that class. I insert a student in students table (see Cmd below). This is easy. …  |
| | Okay so I have couple of questions about lists in vb.. Please be aware that it's all related to integers only no strings or others 1. How to sum values of a list? 2. How to sort values of list from highest to lowest? Also how would I display list …  |
| | I am running a database with about 200,000 records, so not too big. It runs fine except when I try to update one of the tables. Here is the code: Private Sub Add_History() Dim cb5 As New OleDb.OleDbCommandBuilder(da5) Dim dsNewRow5 As DataRow Dim sql5 As String sql5 = "SELECT * …  |
| | I create small database and I want to show all information about the students when a techer enter Students ID I caret my database using visual studio 2008 Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click Dim constr as new OleDb.OleDbConnection constr.ConnectionString = "Provider=localhost;data source=C:\USERS\USER\DOCUMENTS\VISUAL STUDIO … |
 | I have a simple data input form in which when the form is activated if sets focus on a textbox and sets the back color. I later have a datetimepicker control. The tab stops are coreectly set but when ever the users selects a a date from the datetimepicker the … |
| | hii i am stuck with a problem as i am using VS 2010 and developing an app in vb.net. i require crystal report so i downloaded from SAP the exe and installed but i cannot find the crystal report menu in add new item of right click of application so …  |
| | How can I make parent & child form there in vb.net? I guess to make a parent form I have to activate IsMdiContainer from form`s properties. But how should I make child form? Please help me.  |
| | I have an array with a couple of webpages that need to be sent some information. I have a thread function that gets the link in the parameter and visits that page. I would dont want my application to wait for the page to load each time. So, would it … |
| | Hi guys i need help i have a table1 and table2 in access table1 structure is something like this Months / Revenue / GP Jan / 10000 / 5000 Feb / 20000 / 2000 and table2 structure is like this Months / Revenue / GP Jan / 2000 / 200 … |
| | I have a DateTimePicker and Masked Textbox ,Masked Textbox almost covering all of DateTimePicker ,just down arrow key to select the date into the Masked Textbox. Question No1. What event should I put the current code?I want the selected date to be inside the Masked textbox after it is being … |
 | hello, i am trying to enter the form textbox.text in my crystal report, but getting error. code is Dim RptForm As CrystalDecisions.CrystalReports.Engine.ReportDocument Dim T As CrystalDecisions.CrystalReports.Engine.TextObject RptForm = New CRrollnumberba1 T = RptForm.ReportDefinition.Sections(0).ReportObjects("?SUBJECTNAME") T.Text = txtsubject.Text the error showing "Index was outside the bounds of the array." at 4th line. … |
| | Hey hie fellas, here is my problem. I have two DataGridViews in one form. What I wanted to accomplish is transfer one row at a time from Left Grid to Right Grid on selection. I wanted to Select Cell in Left Grid then Press Button Upon Which selected row should … |
| | Hello, I need to know why this isn't working... I have tried many different things but still can't get it to work. (And, yes, I have replaced the MYPASSHERE with my password but it always says I have not registered yet...) Imports System.Net Imports System.IO Imports System.Text Public Class Form1 … |
| | i want the medicine names in the datagrid view to appear in report |
 | Hi I have a very large app built on my desktop. I want to continue working on it on my laptop. I tried out Team Server and uploaded the solution. I then download the solution to my laptop. I cannot build it on my laptop. I get 75 errors for … |
 | I am working on a keyboard teaching aid similar to mavis beacon. With the following code i am able to detect if the enter key is pressed on the keyboard. If e.KeyChar = Microsoft.VisualBasic.ChrW(keys.enter) Then MsgBox("Enter key is pressed") End If but what i want to do is that i …  |
 | While creating a module within my program, I created a second Dataset (and it's called DesignDataSet2). I would like to delete it from the database altogether. I have already removed the one datatable that was within this dataset. I now want to eliminate this completely. How do I go about …  |
| | Hello, I am trying to make a program which will login to a website with many different accounts one after another. The problem I have though is, the documentCompleted event either doesn't run at all or it runs more than once before the page is fully loaded. This causes the … |
| | Hi, Been having real problems listing members of an AD group. The examples I've found online either don't work either or are a bit beyond my humble skills! I can get members of simple groups easily enough, but teh code I'm using returns nothing at all if a group contains … |
| | Hello guys Anybody could help me please to make the Windows estimated usage in visual basic 2010 "To show how many MB/GB of internet i have used" I'm running windows 8 and this application will will be used on windows 8 Only Thanks in advance guys and i hope to … |
| | I'm currently working on a project on VB.NET and I'm getting this error below. > Error 2 Overload resolution failed because no accessible 'New' is most specific for these arguments: 'Public Sub New(name As String, dataSourceValue As System.Collections.IEnumerable)': Not most specific. 'Public Sub New(name As String, dataSourceValue As System.Data.DataTable)': Not … |
| | Hello, I have a listview wherein when I double click a student another form pops up where i edit the student info. When i click on cancel it goes back to the menu and when i click on the reports i want it to be able to [B]refresh[/B] so that … |
| | Hello guys, I really need your help on this one, Please help me out with it I'm using a webBrowser in my application "Visual Basic 2010", And what basically it will do, Once you open up the application, It will show you a URL, let's say for example Google.com by … |
| | i want to edit a form with datagridview show the colomn index but there is an error message show that index is out of range ........... parameter:index. how to solve the problem ??? can you help me please?? thank you. |
 | i need program to convert xml to json and vise versa |
| | Hey guys how you doing, When i try to add a record through my application i get an error message there is no row at position 0 here is the code any help would be appericiated: Dim con As New OleDb.OleDbConnection Dim dbprovider As String Dim dbsource As String Dim … |
| | I am making a windows based application in visual studio 2010 using VB. My project starts with a splash screen and a brief welcome splash then opens the main mdi form. The menu in the mdi form has the link to open all the other modules. My question is- How … |
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