20,284 Topics
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| | So hopefully I am aloud to post this here. I am doing great in class but this chapter and especially this programming challenge has got me stumped. So I am in need of help. Heres the question: Create an application that when a user enters a positive integer value in … |
| | Can anyone please help me on this? The server is supposed to see which computers are online and which are not. if the workstation are not online the computer should not be seen on the server's list but if it open again the computer name should appear on the list. … |
 | Hi... :) I have only [B]1 LABEL[/B] in my form. There is [B]no text in Label1[/B]. I want that when i run the project, the label has any [B]word or number[/B] in it like '[B]1[/B]'. I want that when i run the project [B]AGAIN[/B], the [B]word or number[/B] in the …  |
| | I'm trying to update an Access database by using an OLE connection, retrieving the information from textboxes where the user enters the new information. All the fields in my Access table are required fields, so I have validated that some info is entered in each one of the textboxes and … |
| | I have this code that searches for a set of numbers in my textfile. When it finds those numbers I want it to print what's on column 5 to 12 in the same line. Is this possible to do? I've been looking for an answer for ages now, and I … |
| | I'm tyring to connect to the sql server on my lcoal machine and have this error. "An error has occured establishing connection to the server. Failure may be caused by the fact that under the default settings SQL server does nto allow remote connections.(provider:Named Pipes Provider,error 40 - could not … |
| | hello all, Can any please help me in this : I have a form , in a website which has : year : text box Photo : type ="file" Submit button. Now, if any user enters the year, and uses the browse button to select any photo, and then clicks …  |
| | I have created a vb application that uses "shell" to run another vb application that uses a webbrowser to navigate to a web site and then sign in to the site and collect information for use in the original application. I built the browser application to execute the navigation automatically … |
| | Hi Can anyone tell me how can i track mouse click. I am developing a program to track mouse click and I particularly want mouse click coordinate in output file. can anyone help me to develop this program. Thanks a lot |
| | Hi , I need help because I would lik a timer of 1 minute in one of my forms, and when that timer reaches zero, it would automaticly resume to the next form. Any help would be greatly appreciated! |
| | I made a form with only 1 Button. I want that when i click that button, 2 more buttons should be appeared. Example: Button1 is clicked. Button2 and Button3 are displayed. I have named Button1 as Scan. When i click on Scan, the Button2(Pause) and Button3(Stop) should be displayed. When … |
| | Hey, I have created a new AppDomain with a unique name. But i do not want to store that name during the whole application runtime. So i ask you guys if it is possible to get that created AppDomain by name back. [CODE=vb] Sub Main() AppDomain.CreateDomain("TestDomain") End Sub [/CODE] so … |
| | Dear Freinds i want to show mulitple rows of sql server in which bill_no are same to show in datagrid view when i want to edit anything in data and i show the data in datagrid view with the help of bill_no but when i search the data by bill … |
| | Hi, I have an access databse, but the data is link to excel, so i cant changes the data inside access database. However, i just want to retrieve the data inside the access database using VB datagridview, but the system pop out an error said 'cannot find the input table … |
| | I'm calling a GUID with a system function and trying to insert it into a database as a primary key. i'm using vb 2010 .net framework with sqlce server making my datatables. the column is AutoNumber which i set up to be a uniqueidentifier. the length is not adjustable and … |
| | Hi~ I am trying to add a combobox into my datagrid which connect to access database by using the code below. The result I wish to get is the combobox is locate at my datagrid column that already exist, but what I get now is it will add a new … |
| | I have a form with a few textboxes where the user can add data to a database. It also has a "cancel" and a "close" button. Both do the same: [CODE]me.close()[/CODE] I've used the "validation" event and the errorprovider control to prevent blank fields and not numeric data where numbers … |
| | Hi there, I see a sample code that an object is instantiated within the class definition block. But when I test the folllowing, I got error "Process is terminated due to StackOverflowException."? [code] Imports System Module xx Sub Main() Dim a As New c() End Sub End Module Public Class … |
| | Hello- Could someone be so kind as to help me understand how to sort a vb.net Datagridview that uses a collection as a datasource? I can sort the datagridview by clicking on the column header when the datagridview datasource is a datatable, BUT not when the datasource is a collection. … |
| | When I read a text file as the code below the first line returns as nothing. I checked the text file and it contains 3 lines before the read. After the read the first line is blank the following 2 lines have values. I don't write back to the file, … |
| | Hi, When i open a 24bit bitmap, i need to display the number of colors used out of the 16777216 in the bitmap pallete. Is there a simple way to obtain this statistic or does it involve looping throught the pixels and counting the colors. Thanks |
| | Hey, i am getting x and y values through AR marker.I want to control windows mouse pointer through that x and y values in c++. So can anyone help in controlling mouse with simple x and y values. If any tutorial or help online, kindly post the link or some … |
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| | I have created a thread which have to do some xml parsing in its class. The class Inherits from System.Windows.Threading.DispatcherObject while its parsing i wanna get the dispatcher to add the items to a ObservableCollection(Of T) i will add my code here and describe the problem in the comments [CODE=vb] … |
| | Can you give me a sample registration module ? Please. Badly Need It. |
| | Hello all, I am looking to create an application which includes: [LIST] [*]Removing a computer from the domain [*]Removing a computer from a workgroup [*]Adding a computer to a workgroup [*]Adding a computer to a domain [/LIST] This application will be ran on the computer manually. Thanks! |
| | I am attempting to create script that sends info and login/logoff timestamps to a text file. Can anyone assist with showing me how to get it to output the duration between login and logoff? AT the moment the script creates a separate line for each login and logoff. I can't … |
| | I use the binding navigator in my application, but when the resolution of the display gets to small and I have to use the scrollbars I get a problem. the scrollbars automatically scrolls down below the navigator bar instead of showing it when the window loads. Anyone who can help … |
| | I have a program that is meant to send and receive pictures. There are two parts, client and server, the server sending pictures, and client receiving.the server needs to send it across the internet, then the client needs to receive and show the image in a picture box. I put … |
| | Hope you can help me. We badly need some sample codings. |
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