20,899 Topics
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| | Hi hi all, I am new in here and I want asking, I have program that read the image from file with extension .ojn, I can show that image file into picturebox, Here my code to read the image: VB.NET Syntax (Toggle Plain Text) [CODE] Dim path As String path … |
| | Hi There, I am trying to retrieve the data from MS Access Table to LIST-VIEW, its difficult for me to write the code as I am beginner, Need help on this .. Any suggestions, example or template ? Thanks in Advance.. |
| | hello all i am making a project and in that getting storing and loop problems there are two fields serial no and quantity when quantity is entered serial number must be asked then only and the number of times quantity is entered that many times serial number must be asked … |
| | Hello all, I am having some trouble with my tic-tac-toe game. My main problem is that I do not know how to properly make it so that when i click a button on the form acting as spots for the x's and o's the proper letter will come up and …  |
| | Hello I have this code for avoiding empty textboxes but what about empty flexgrids???? Private Sub cmdSave_Click() If txtID.Text = "" Or IsNull(txtID.Text) = True Then Call MsgBox("There is no ID.", vbExclamation, "Warning") txtID.SetFocus Exit Sub End If |
| | I am trying to export a datagridview ti excel, but i get an error I do not quite understand. I have made two click-events using two buttons looking like this: [CODE] Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click Dim cnn As SqlConnection Dim sql As … |
 | Hi, all i want is to generate a random number/letter in listview per row but i don't know how to play for each.... coz' i have a list of record has already been exported to my gridview>listview so that's why there no ID for each row all i want to … |
| | Hello How can i save an MSFlexgrid to microsoft acess database ???? |
| | hi all, here my problem is i'm preety new to vb.net programming. but have a little knowledge in vb6 programming. Say, when i press the 'edit' button a listview is shown, filled with records('empcode' field from empdetail) from a access table, say 'empdetail'. now if i doubleclick on a particuler … |
| | Hi, I have two forms.Both having DatagridView.There are two comboboxes to filter the record from Database and fill in Datagridview.My requirement is when all the data is populated in DataGrid after selecting the comboboxes and when the user clicks on Delete. The comboboxes and Datagrid on second form should have … |
| | hii all! When i tried to access a value from the configuration file ([COLOR=#000080]ConfigurationManager.AppSettings("ADMIN"))[/COLOR] i am getting an error: [COLOR=#000080]'ConfigurationManager.AppSettings' is not declared or the module containing it is not loaded in the debugging session. [/COLOR] [COLOR=#000080][COLOR=#000000][/COLOR][/COLOR] [COLOR=#000080][COLOR=#000000]can you please anyone help me who have experienced the [/COLOR][/COLOR] [COLOR=#000080][COLOR=#000000]above said … |
| | I am trying to save a Collection of form controls (Labels and TextBoxes) in my project's settings (My.Settings). During runtime everything appears to be working as expected. I can save and retrieve the Collection of controls, but when I close and restart the application, the settings are gone. I am … |
| | Hi I am trying to set a larger calendar font (Calendarfont) for a Datetimepicker control, but vb.net (2010) doesn't seem to use/honor it. It remains the same (very small) regardless of the font/size I choose. Have also tried changing it in program on the onload of my form but that … |
| | Hi all of you; Can you guys me how to insert data from form1 to other form2? Thanks before hand! |
| | How do I download transactions info from Paypal using VB.NET I want to create an app which when i press a button. It downloads each new Paypal transaction to a textfile. I would like information like purchase item name, item description. And price to be added to textfile. Does anyone … |
 | I'm creating a new functionality for an already existing software, made with VB .Net. This new functionality consists of rendering 3D objects on a specific form, and be able to move/rotate/resize/change,... those objects. For this task i've used XNA. I've created a new XNA Windows project and, in the specific … |
| | Hi, I want to fill data in my combo box using Add range method. [CODE] cboFirst.Items.Add("Sunday") cboFirst.Items.Add("Monday") cboFirst.Items.Add("Tuesday") cboFirst.Items.Add("Wednesday") cboFirst.Items.Add("Thursday") cboFirst.Items.Add("Friday") cboFirst.Items.Add("Saturday") [/CODE] This is how im filling my combo with days. i want to do the Same but by using Add Range Method. Please guide how,its urgent. |
| | 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 … |
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