20,284 Topics
 | |
| | I have to create an app that computes the amount income tax that a person has to pay, depending on salary. Income tax should be calculated for each portion of income in each range. Here are the following income ranges and taxe rates: Not over $7825=10%income tax $7825-31852 = 15%income … |
| | Hi i have a C++ DLL. What i am doing is that i am passing memory address to my C++ dll where it write message on that address and i want to read the message from that memory address. Here is my C++ function. [code] int _stdcall Test(int res, wchar_t … |
| | Hello, folks! So i'm trying to add a tooltip to a treenode, But with no luck. I've tried things like: [CODE]Treeview.nodes(0).tooltiptext = "Hello" [/CODE] |
| | Hello I am currently stuck on trying to collect some string items from a richtextbox and then count how many items there are. I then want to relocate one of the string items if there are more than three into another richtextbox. I currently have been attempting to capture the … |
| | I have a text box which I search SQL server which returns to values based on the text I pass the SP and then I want to add to the list box items so here is my code below the DataTable contains the item I want to return in the … |
| | A Friend has asked me to make him a program where the user can select a song, and there is a music Spectrum analyzer (Like the one in VLC)and the user can customise the colours of the player. i have done the code for selecting the song but i need … |
| | Okay, im fairly competent with VB.NET in general and i know a bit about how to do winsock programming under VB6. Well, sadly most of my old VB6 code doesnt work under .NET :( Im usibg VB.NET express 2008 beta 2 and was wondering what the best way was to … |
| | I have two data gridveiw in my form, in one data grid I am importing excel file to display all the data which is working fine, now I need to extract some columns data from main gird which is holding all the data and display in to another DataGrid which … |
 | Good day, i have a problem regarding about adding a record to my database, i want to insert a record that not exist on my table, the record that i want to add to a field is not related to other table. This field should be related to other table … |
| | I have this code: I'm trying to have my program download all the images (that contains "jpg") from a site. [CODE]Dim doc As IHTMLDocument2 = DirectCast(WebBrowser1.Document.DomDocument, IHTMLDocument2) Dim imgRange As IHTMLControlRange = DirectCast(DirectCast(doc.body, HTMLBody).createControlRange(), IHTMLControlRange) For Each img As IHTMLImgElement In doc.images If img.nameProp.Contains("jpg") Then imgRange.add(DirectCast(img, IHTMLControlElement)) imgRange.execCommand("Copy", False, Nothing) …  |
| | i got this error 'convert datetime to string format yyyymmdd vb.net' this is my code [CODE]Dim ExpDate As String = dgvBlock_Extend.Rows(icnt).Cells("Extend Door & Lift Expiry Date").Value.ToString("yyyyMMdd")[/CODE] the value is 4/6/2011 12:00 AM i wnt to convert to format yyyyMMdd how i'm going to solve this error? |
 | i hve create 1 listview & checkbox inside listview...how to print check item in listview.. |
| | "Cross-thread operation not valid: Control 'DataGridView1' accessed from a thread other than the thread it was created on." I've been avoiding multithreading because of this since I started with vb.net a couple of weeks ago but it looks like I have to start using it now. I simply don't understand … |
| | Hi everyone, I'm trying to make the autocomplete work on a list of items entered into a textbox separated by semicolons. I have a list of authors the user can choose from and it autocompletes as they type the name no problem, but what I'd like to do is after … |
| | i has create system registration that use vb.net 2008 & accessdatabase (oledb connection) i set ID as primary key,when i insert new ID but if ID already in database i will get error cz data duplicates..so anyone know any code that will promp mesej like this "Data already in data …  |
| | Hi All, I am not an ardent developer in vb.net programming. But off late I am using vb.net to develop a windows application. The following is what I am trying to do: I am reading an excel file and storing the string value present in each cell, and trying to … |
| | how can i draw a free-shape (it means no particular shape or sides) and fill it in with the colors chosen from colordialog? e.g. im gonna draw a rounded rectangle and i want to fill its insides with color red. answers will be appreciated :)  |
| | I have a log in form, in Form_Load disable the explorer.exe to disable the alt + tab keys so that the focus is on my log in form that is fullscreen. when i logged in my log in form my application will show and my login form's hide. LoginForm.Hide() Application.Show() … |
| | i hve build 1 system inventory using vb.net 2008...can i run execute file from browser...maybe like in asp.net.. |
 | anyone help with this? I have a unique id on each line of sql, i want to be able to update a row from a table i tested and tested this but unable to get this working. does anyone know how i am able to do this? [CODE] Dim PINV … |
| | I am doing a sales report for a clothing manufacturer that calculates its total sales for the week.Sales values are inputed seperatly for each clothing item, but the amount of sales for each of the five weekdays should be inputed all at once.The app should calculate the total amount of … |
| | All, I am using VB.NET in VS10. After I add items to a list box I'd like it to scroll down so that the most recent items are visible. I tried this with no luck: [CODE]StatusListBox.SelectedItem = StatusListBox.Items.Count - 1[/CODE] Can anyone tell me how to make the box always … |
| | hi im working on a simple program that will retrieve data from my .mdb and display in datagrid on my form all is showing well except from image can anybody tell me what is the right format to store image in access database 2007 OLE object and insert the file … |
| | i have two projects on visual studio 2005 one in vc++ & other in vb.net now i want to both programs to work cooperatively acc to me i have following ideas but dont know how to implement them 1 - if i create third project and integrate/merge/combine other two in … |
| | hello friends, I am new for VB.net, and currently m facing a problem, that is huge problem for me right row, may be that is not a big problem for you guys..I want to use DataGridView in my project, and in DataGridView, i want to navigate focus using enter key … |
 | hi all, i m a newbie in this forum and vb.net application, but i want to learn this language. please help with your post. Thx all. :) this my question : How i can make my font to looks [B]Bold[/B], [I]Italic[/I] or [U]Underline[/U] in rich text box with vb.net ?? … |
| | we want codings to update textbox values in to ms access table using adodb connection, and vb.net 2008 as front end. send me at [email snipped] |
| | Hello, Could someone please help me with this problem? I have developed a small application that calls up several powerpoint slideshows that are saved as .pps. The user interface screen has a textbox, when the user enters the file name of the powerpoint it is called up, but it opens … |
 | please help me here. My code: [CODE]Partial Class Create_staff Inherits System.Web.UI.Page Protected Sub btnUpload_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btnUpload.Click Dim connection As SqlConnection = Nothing Try Dim img As FileUpload = CType(imgUpload, FileUpload) Dim imgByte As Byte() = Nothing If img.HasFile AndAlso Not img.PostedFile Is Nothing … |
| | Hi all, i have a table "Contracts", with fields CompanyNumber, MaturityDate and other fields. i have a form in vb.net, with a textbox that should check if the entered company number exist in my db, if it does it should check whether the maturity date is bigger or less than …  |
The End.