20,285 Topics
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| | when i am running my application on my machine at that there is no problem but when i am running on diffrant machine at tha time login faild is occuring |
| | Hello, I just started taking a VB class and I'm having an issue with the latest assignment. I'm supposed to design a program that calculates the cost, number of men and total time it will take to mow a lawn based on the size of the lawn. No problem. The … |
| | I have written an application which extracts a list of URL's (currently in Internet Explorer cache) from an XML file and displays them in a data grid view. From here i would like to launch Internet Explorer in a hidden mode and capture an image for each of the selected … |
| | So I've been trying for about a month or so but been busy recently so couldn't address it then. Here is the code. [CODE]Public Class Form1 Dim CurrentTime As DateTime Private Sub ButtonStart_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ButtonStart.Click ButtonStart.Enabled = False ButtonPause.Enabled = True CurrentTime = … |
 | I am trying to insert a piece of html code into a web browser control in vb 2010. i have tried the [COLOR="Green"]webbrowser1.documenttext[/COLOR] function but cant seem to get the browser to run the html code. can anyone help? thanks |
| | Hello friends, i am making an internet cafe progra,. And i need some help . Well, I was wondering if it is possble for this ; when a time is counting down for the customer , and the customer wants to top his/her account with more time , my cafe …  |
| | Hello, I need to know how do i locate a form window on custom location at the desktop: At application start. EX: Screen: [url]http://img707.imageshack.us/img707/5653/56465ytyt.png[/url] Other question: is there any idea to solve the design bugs on other Pcs? P.S Im so newbie at VB.NET x) |
| | hi there, can anyone please help me how to insert, search and delete a picture in vb.net and Microsoft access 2007? A picture that will be store in access is inserted in a form or a picture box. But it seems i have the wrong codes.. and when i click …  |
| | i wanted know the vb.net code that checks the password strength on the basis of length ,special characters ,both combined ,numeric,alpha-numeric.... >>contents of form may include: >textbox for password >label or progress bar or trackbar to tell the user the strength(good ,very >good,excellent,poor) >button to execute commands... |
 | Hi pliz assist me, I need a code that can allow the login form to search for pin number stored in another form example when a customer enters the pin number and clicks ok button the login form searches if the pin number exists in the bank details form ..thanx … |
| | guys, when you log in a username and a password a msgbox will show that you are log in, and then when you enter the same username and password, the program will identify that the username and password is log out. no button will be use in here. what code … |
 | Hi to Everyone, i want to filter my record in datagridview w/o database like a search. Is it possible?? anybody can help me please ^_^ |
 | Hello to all, I want to auto generate id that should be access from my sql database. I try this code- [CODE] Dim j As Integer = 0 Dim cmd As New SqlCommand("select staff_id from staff ", c.con) Dim dr As SqlDataReader dr = cmd.ExecuteReader() While (dr.Read()) txtstaff_id.Text = dr("staff_id").ToString() … |
| | Hii friends Well i am working on hex values of a file.Now to test it i delete single byte and then try to write the file using the remaining bytes.Well the file gets corrupted but still the file is constructed. So is there any code with which i can test … |
| | [B]To be clear, what I am trying to acheive is: [/B] Have my Paypal current balance show up in a textbox on VB.NET using the PayPal API [U]Not a VB.Net Webbrowser[/U] I have followed the guide on this page [url]http://www.blog-dotnet.com/post/Using-the-PayPal-API-via-the-SOAP-interface-%28getting-started%29.aspx[/url] But I keep getting the error Object reference not set …  |
| | Greetings expert programmers, May i ask for a help on how to solve this error? " A network-related or instance specific error occured while establisihing a connection to sql server. The Server was not found or was not accessible. Verify that the instance name is correct and that SQl server … |
| | did someone know Ms-Dos's dir command i need to take all contets of any folder for using my praggram how can i do that is any one knows? thx for replys |
| | I need help with this program where the program has a textbox that will allow you to input the strings, and then it will output how many letters, numbers, and special characters can be found on the given input. The design goes like this: [url]http://i.imgur.com/nwfDl.png[/url] |
| | i got a large picture box sent to the back with a default image. i got a few picture boxes set to transparent and they are placed in front of that large picture box. these picture boxes have no images, just set to transparent in the properties. I use the … |
| | Hello~ I'm having a little problem on how to make a timer which include minutes and seconds. The design of the form goes like this: [url]http://i.imgur.com/lh1pk.png[/url] Another condition here is when the timer goes down, the interval gets faster. Please help me~ |
| | Hi, Im developing a simple alarm clock application for smart device application. Can anyone help me on how to link a sound file to the app..that is to play the sound when the alarm is triggered? Thank you.  |
| | Hi, I have to create this program for school to restart a bootcamped mac back onto mac from windows with an application made in visual basic. So I need my computer to restart which I have successfully completed. Now I just want to find out how to get the application … |
| | how to create data grid table and how to link it to MS SQL Server 2005 Express database |
| | I need to export data from excel to datagrid and have done it..whole excel data is displayed in datagrid..coding but i got an error when Conversion from type 'DBNull' to type 'String' is not valid coz' i have some null data in my excel file |
| | Ive wrote a small program to open at startup, but i want to give the user a chance to delete it from showing on startup by clicking a button. But it needs to be compatible on XP, Vista and Windows 7. Is there a line of code which will get … |
| | Hi I am using the following to auto search db [CODE] Dim connString As String = My.Settings.strConn Dim conn As New SqlConnection(connString) Dim cmd As New SqlCommand("select firstName, existing from tenant Where (existing = 1)", conn) Dim da As New SqlDataAdapter(cmd) Dim ds As New DataSet Try conn.Open() da.Fill(ds, "List") … |
| | hello, i want to calculate total salary according to attending days. please help me in coding.  |
| | I have two textboxes...on the textchanged event of one textbox, readonly property of other textbox gets defined...e.g. first textbox is retrieving data as add,update,delete...when the first textbox text is changed to update then & then only second textbox readonly property is set to false...Now the problem,I am facing is....whenevr first … |
 | is it possible that when you select the TAB1 you can't select the remaining tab???? thank you much!!!<3 |
| | Well, i was wondering if this is possible . If it is possible, can somebody show me how or give me the code ? Im pretty newbie in coding as my only resource of learning Visualbasic is from the internet :/ And , I would like to disable some key … |
| | Hi, How can I point or target my access database in a safe way? Meaning, if I'm going to change my project to another computer, it will not cause any connection problem to my database. Thanks in advance. :)  |
| | I am using a PictureBox to display images. I have SizeMode set to StretchImage. While this does indeed show the whole image, it is of coure stretched. Is there a way to prepare the image to be displayed so it will fit correctly in the PictureBox? I just want it … |
| | Hey , yeah. I was wondering if it is possible to hide all desktop icons EXCEPT my application's shortcut ? If it is possible, please tell me how . It is the best if you can provide the code for me. As im a very noob in coding cause im … |
| | Hi plz help me with a code that can detect when a pin number is entered in reverse. and alerts the user that he has entered pin number in reverse ..thanx |
| | How to encrypt and decrypt database plz help me its very urgent |
| | Gi I have a DataGridView which populates from an SQL query just fine in default mode using these table names [CODE][firstName] [varchar](20) NOT NULL, [lastName] [varchar](20) NOT NULL, [rentpaid] [decimal](18, 0) NOT NULL, [datePaid] [date] NOT NULL, [propRef] [varchar](10) NOT NULL, [rentDue] [decimal](18, 0) NULL,[/CODE] I have edited the column …  |
| | Hi, How can I dynamically find all of the linklabel within a form, then get the linklabel name? |
| | Hi der i want to download visual studio......i m facing trouble in downloading.........help me to find out link to get it |
| | Hi I have a form which populates a TextBox I want to use the textBox.text to then load a gridView with the results something like [CODE]Private Sub TextBoxId_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TextBoxIdSearchExist.TextChanged Dim cmd As New SqlCommand("select * from pay Where t_id='" + tId.Text + … |
| | My Application : Windows Form Application Language : C# I have a DataGridView which I populate with some custom data. Some of the cells are DropDowns that I populate by EnumTypes Some need to be populated by Objects which are multicolumn. On Selection I want to show the MultiColumn Lists …  |
| | Hi Everyone, I'm beginner and currently I'm working on simple application on VB Express 2010 and I want it to save some data in XML file. The XML file is going to look like this: [CODE] <XML> <Info> <X1>some data</X1> <X2>some data</X2> <X3>some data</X3> </Info> <Info> <X1>some data</X1> <X2>some data</X2> … |
| | I can load my edit form withthe selected account from the datagridview on form1 I can update aany of my information but when I save the information it updates the first account in the database. How do I save to the selected account only? This is my save button:[code]'saves the … |
| | I would like to use schtasks commandline to create some scheduled jobs in .NET. However, the scheduled jobs created by ASPNET could not start. The command script works fine within cmd and the scheduled job runs. Any ideas on how to make it work? |
 | Hey guys i need to make app that sends mail... so i want in subject to make text like "Report - dd/mm/yyyy - hour:minutes" do you have any idea how should i make that? :/ |
| | Hello, I am building a webbrowser using VB.Net 2010, and I am having trouble updating the url when I switch between open tabs using tabcontrol. I am also using a textbox for the address bar. Any help would be appreciated Thanks! |
 | Good day Every one! I am having trouble with my application with shell32.dll. when i debug it in VS it runs well. but when I detach the .exe file and run it to other directory. I get errors. I hope someone could help me. So much of a thanks in … |
| | I have a several text files that get updated each month - when they are updated certain lines are missing that I always want adding back to the files - the text I want adding back needs to go into a specific part of the text file(its always the same … |
| | Hello Everyone, New to VB.NET... Going through a bunch of tutorials currently. I need help checking if an application is open and then closing it if it is... For an example, I'll use paint or notepad... Does something like this work? [CODE]Dim myProcess As Process = New Process myProcess.StartInfo.FileName = … |
| | i searched a bit but i cant find something useful. i need to take my files to filestream (i can do this with file paths) and i wanna save this files to somewhere else on my program. Is it possible that with the using FileStream? THX for Replys ^^ |
| | Hello, I have created a site in VB.Net and ASP.Net where a user types in a centre code and clicks on 2 buttons to retreive 2 GridView's of records from an SQL Server backend database. The records appear sucessfully, but when I go to sort the records in ascending/descending order, … |
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