20,285 Topics
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| | Hey, thanks for taking a gander at this. I'm new to VB and VB.NET, and I'm not entirely sure what the difference between the two is, nor what I'm using. I feel like a complete squib, but that's basically it. I'm using MSVB 2008 Express edition, unto which I assumed …  |
| | Hello all, I'm writing a program to keep track of my swim team's test set times. I would like to display the information in a table like form to edit all of the swimmers and times at once. I'm using this object: [code=c#] public class TestSetDisplay : INotifyPropertyChanged { string …  |
| | Hi all. This is my first post, so I'm kind of excited. I'm a 1-year VB.Net newbie, still trying to finish my first win app for my employer, which is patiently waiting. I'm using Visual Studio 2005 and 2.0 .Net framework. I'll eventually have a windows application for bunny suit … |
| | I'am working with this program..its a company base program but mine is an independent program. The company is school(college) which I was able to get their student database which is in an mdb file but in my program I want to convert this mdb file to and sql because we … |
| | Can you take a look at this code and see if there is anything obviously wrong with it. It’s just a simple update query to a backend Sybase DB, but it’s not updating and not returning any errors. My updates to an SQL DB are working, so I’m wondering if … |
| | hie m looking to edit certain data on the form. data on the form is divided into two sections A and B. when i right click on A and select edit i shud get the option to edit A and similarly for B. However m confused as to which event … |
 | Hi guys, I am writing a program in VB.net for a windows mobile device, the end result is an image in a picturebox, this should be then uploaded to an an FTP server. I have tried the System.Net.ftpweb.... library but it doesn't seem to work with the micro framework. does … |
| | I have a vb.net 2008 application that is supposed to send a mouse click to a specified window. This can be any window, and the user selects the correct one from a list box during configuration. The user can also change the window or the mouse button to click at … |
| | So, I'm loading some date from DataTable and showing it in DataGridView...I'm also editing and deleting data from that DataGridView... problem is next: when i'm deleting data, i must confirm that in MsgBox by clicking Yes...if the No button is clicked, row in DataGridView is also deleted and what i'm … |
| | Hi, Can anyone explain why my code enters a loop when the length of a file is zero. I would expect that the loop below would not be entered if strFile.Length is zero. strFile = strSubCommittees.Split("|") For i = 0 To strFile.Length - 1 Next i Thanks. |
| | Hello, Can anyone please tell me step-by-step on how to use the FV function in Visual Basic 2008? I'm stuck & I have no clue. Oh, and can you please explain using those exact variables :) I get confused when other examples use different names in their procedures. So far, … |
| | I am a total beginner that happens to own a copy of visual studio pro 2005. Would like to get a glue as to how to get the basics and advance myself. Is there anything on the daniweb site to guide novices to at least get a concept of how … |
| | Hi pl help me out i do have a software developed in VB.Net but unfortunately I lost the code. I do have setup file of it & not the code searching on net I got an idea of Decompiler.NET software Pl help me how it is to be used |
| | you can seee some example for beginners at [url]http://vbandc.tripod.com/[/url] |
| | Hi.. I use vb.net windows application How to select Folder or File on desktop using vb.net and detect which folder selected. like on Desktop. If we selected "My computer", vb application will know we selected "My Computer" select Folder or File On Desktop not on application (browser windows) thanx |
| | VB.NET 2008 Express, ACCESS Db 2007 Ok I have a program that contains a datagridview control linked to a database and i want to be able to search through every field via a ButtonSearch for a match of the search term - search term is entered in a text box … |
| | [COLOR="Green"]I use this code to view remote files. The trouble is that when I double-click on any of the remote folders, it [U]opens window explorer [/U](windows live?) to display contents of that folder. However, I would like it to be in the same original folder (this program's browser). Also (sorry … |
| | Hi pl help me out i do have a software developed in VB.Net but unfortunately I lost the code. I do have setup file of it & not the code searching on net I got an idea of Decompiler.NET software Pl help me how it is to be used |
| | Hi I am working on Public library project I want To make a print of receipt of new membership or book purchase report . Help me please send code or atleast code snippets of receipt generation and print |
| | Hi I have an image converted to binay and saved in SQL database. Below is my line of code where application is throwing above exception that im using for showing image [CODE] Dim mem As New IO.MemoryStream(CType(io.File.ReadAllBytes(imgfilepath), Byte()))[/CODE] Does anybody knows how can i fix this? Thanks and regards, f |
| | Hi All, The problem discussed is accuracy of numeric calculation result,in vb. Namely I compare a numerical mathematic calculation, Line-Plan Intersection, in VB.Net and Matlab 2007 the intersection point result specify in below: Matlab 2007 ----> Xint=2.000000000000000 Yint=1.333333333333333 Zint=0.666666666666667 But Visual Studio 2008 ----> Xint=2.0000000596046448 Yint=1.3333333730697632 Zint=0.66666668653488159 Hand Calculated -----> … |
 | Hello All Please I have a form that accepts data from a database and can update. but what i want now is that if the user clicks on the update button, the system should check if any update has been made and to update but if no update, the system … |
| | Hey, Well I go this problem, I'm using ADO.NET to manage my database on a project now the problem is that I need to get the values from an external Binding source and when I click save they will be saved in the database I'm using at that moment; for … |
| | I am needing help with the coding for this assignment. your task is to develop an application to calculate the amount due for each order. The specifications for the application are described below. For an order, the user should enter the following information into text boxes: customer name, address, city, … |
| | Hi everyone! I am having difficulties in terms of manipulating data using datagrid. So my problem is this, I have 2 forms;namely, a form for logging in, then secondly, a form which is similar to an inbox. I have a datagrid in my inbox to call on records in my … |
| | Hi pl help me out i do have a software developed in VB.Net but unfortunately I lost the code. I do have setup file of it & not the code searching on net I got an idea of Decompiler.NET software Pl help me how it is to be used |
| | Hello guys, it's me again :) This time I want you to show me a way to hide the Windows taskbar in Visual Basic 2008. To be more specific, I created a button in my application that says "Enable Full-Screen". The code I used so far in order to make … |
| | [code] Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load Dim lCount As Integer For lCount = 1 To 5 ListView1.Items.Add(lCount.ToString) Next If ListView1.Items.Count > 0 Then ListView1.Items(0).Selected = True End If [/code] I have even write the code to select the first node,i want first row … |
| | I want to change system date and time. [CODE]TimeOfDay = CDate(DateTimePicker1.Value.ToString)[/CODE] I use above code but it not work Plese help me |
| | In VB.NET 2005 what is the best way to get control when someone checks or unchecks a checkbox cell in a datagridview. I am getting conflicting results and it seems that either the current cell is the previous cell or the value is always false. I just want a way … |
| | Hi, I am trying to get my form to validate user input. If it is ready to complete an operation (Valid input) it affects a read-only text box with "Ready" if not "Not Ready" the values that are accepted are 1-9999, it needs to check multiple boxes aswel (The code … |
| | So I have spent a few days now stuck on this problem. I have a file, at the offset &hd026 there is a name. This name can be any amount of characters long, this part is easy, already have something to do this and saves it into a textbox. Now … |
| | I am creating a simple program, I really need the code for this..here is my situation.. For example if I input a student no. in a textbox to perform search option then click the search button, I want to see the info of the said student to appear from the … |
| | I want to select da MSCommunication control component in toolbox. can any one pls tell wat shall i do??????????? respond immediately!!!!!!!!!!!!!!!!!!!! |
| | helo i am developing an vb.net access application.i am frustrated with this access that i am getting error while updating records. Data Type Mismatch In criteria expression here is the code , if i run the sql statement its works fine .but thru vb.net its giving error.i am not understadning … |
| | is there a way to have a web site with asp controls that will place information in to a database that can then be placed into a VB.net program? like i am doing a appointmentprojects. and i was wondering if i could make a program that will get the data … |
 | I have Visual basic 8.0 and use Statusstrip . whenever I change the [COLOR="Red"]height to 50 [/COLOR]will change automatically changed back to default. What am I doing wrong I go to properties of Statustrip1 Size Width = 616 Height = 22 I change to Size Width = 616 [COLOR="Red"]Height = … |
| | Hi friends, I want to ceil the decimal values of my double number. [CODE] For Example, 3.08 --> 3.1 4.18 --> 4.2 5.45 --> 5.5 [/CODE] but whe3n i use Math.Ceiling(3.08) it returns 4.0 whereas I want the answer as 3.1 I know we can do it using simple logic … |
| | Why am I getting this error during design time? [B]Error Number 5: Key cannot be null [/B] [CODE=vb] If Me.Visible = True Then If RetrieveSubjectsAndSection(Username, Subject) = True Then InsertSubjectsAndSection(Username,Subject) End If End If [/CODE] [B]RetrieveSubjectsAndSection[/B] function checks if record exist. The code is written inside a Usercontrol. Also I … |
 | Hi everyone I have a datagridview with a checkbox culumn. I want to check whether the check box cell is checked or unchecked. my code is as below. it does work for the checked cell but when i uncheck one of the checked it does not remove it from the … |
| | I am coding like usual, haven't click anything I don't know. Then suddenly I got an error [B]"Could not find type 'LFRv2.AdminTabEdit'. Please make sure that the assembly that contains this type is referenced. If this type is a part of your development project, make sure that the project has … |
| | I'm now developing Multimedia program . I use winmm.dll assembly. I can do Play, Pause,Stop, Repeat function , but I'd like to create Playlist . How can I do it?. Please help me , thanks |
| | For some reason, the row header is being automatically set to the same value that appears in the adjacent cell in the first column. I can set and get HeaderCell.Value, but it has no effect on what is displayed. [CODE] If I (manually or programmatically) enter: Length Radius Obj 1 … |
| | As u all know,at runtime we can move the form. I use the foll. code,so dat form doesn't move.I want to ask dat is there any easy way to do it. Mine code below working correctly,but lengthy- [code] Option Compare Text Option Strict On Option Explicit On Public Class Form1 … |
| | How come when I load my project on Visual Studio 2008, it shows a MySQL error:[B] Unable to connect to any specified MySQL hosts.[/B]? then another error: [B]Access denied for user[/B] I am not yet running the application. |
| | hi.. 1 have 2 wav files mono duration 30 second. how to combine that 2 files with stereo so that 2 files can run together in 1 wav file? not joint.mean 2 files joint become 60second. i want combine so that duration still 30 second because that wav run together. … |
 | I want to create a unique ID for a record being entered into a sql server database, in a web application. My logic is to count the number of records in the table, add a one to that number, then add a prefix to the new number. Check that the … |
| | Hello, I have 3 Combos on a toolbar which i need to bind to sql database (using linq). On my form i have several data text fields. What i need to do is this: Combo1 = bind it to a specific linq query that i make that can bring my …  |
| | Hi, I'm trying to use datareader to retrieve a column and place the value in a textbox. When I try to assign the value to the text field, I get an error message "An unhandled exception of type 'System.NullReferenceException' occurred Additional information: Object reference not set to an instance of … |
| | So...I'm working on VB.NET application and I'm wondering if I could make rounded corners of panel? One of my ideas is to make image (with Photoshop) in a size of panel and put it into background of panel...the thing is, this works but application is running very slowly and "weird" … |
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