20,278 Topics
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| | I'm trying to create a validation program which entails throwing everything in a csv file that i have into array and then looping through it and doing a comparison. Here is some of my preexisting code which currently finds the name of a file that I want to do a …  |
| | I need to develop a VB program that will capture the screenshot or read the data on the screen of another running application, and then sends the the read or captured data to the printer. for example, a bank may want to send a customer's deposit transaction screen to the … |
| | I'm trying to create a tcp server and tcp client using sockets. I'm new to VB and could use some help. I have the file transfer part working but, I'm running into an issue. Every time I transfer a file remotely the file size changes, leaving the file unusable. Can … |
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| | this coding working. but this coding simple coding.. can anyone give idea how to make this coding looking nice ? [CODE]Imports System.Data Public Class frmANGGARANBARU Dim con As New OleDb.OleDbConnection Dim ds As New DataSet Dim da As OleDb.OleDbDataAdapter Dim sql As String Private Sub frmANGGARANBARU_Load(ByVal sender As System.Object, ByVal … |
| | Hi all, I just need an idea (not code) how to export data from my databse to excel sheet..that too row wise.. I only need a starting idea... m using Visual studio 2008. |
| | Hi! I am a total novice on programming! Can someone tell me a solution for this problem? 1. I made a simple program. 2. I debugged it and tested it. It worked fine. 3. I compiled it and tested it again on my computer. It worked fine. 4. I copied … |
 | Hi Friends, I have created a small media player calling COM component of Windows media player..after some Googling ...;) Now i want to cut and save the audio files played in media player...? is it possible with windows media player or i would have to use some other media player … |
| | not too sure why this problem is happening. I can update the dataset from a textbox but then when I click the update button it is showing an error "Object reference not set to an instance of an object." The dataset is empty when I try to run the update. … |
| | In my application i have used DataGridView for displaying the data available in my table (SQL database). The form containing the datagridview is accisible from the menu in MDI Form. [COLOR="red"]Problem: [/COLOR]Every time i access the datagridview form, the same data gets appended to the old data in the datagridview … |
| | [COLOR="Red"]I connected a access database by usin codes, But when i add new data the data doesn't display in same time. it need to restart the programme. can I solve this?[/COLOR]:) |
 | getting the following exception : [CODE] Object reference not set to an instance of an object. [/CODE]  |
| | I am having difficulty accessing modified data from a dynamic tab control in VB.net. In this case I have a client record with a "one-to-many" relationship to an address table. I have created code that successfully generates and populates the tabs as required. When I attempt to read the individual … |
| | Hi friends, New one here...:) and new in vb.NET also I have started building a application which will display some data from access and plot the graph of them.. I have plotted it on one form, but i need zoom that graph runtime if user wants so..I am planning to … |
| | good eveninh sir/madam, error is :- An unhandled exception of type 'System.Data.SqlClient.SqlException' occurred in system.data.dll Additional information: System error. code is : - Dim a, b As Date a = Date.Now.Date b = a.Now.AddDays(-7) Dim dataset2 As New DataSet Dim myconn As SqlConnection = New _ SqlConnection("server=;database=project3;uid=;pwd=") Dim obj_deletecommand As … |
| | Hello. I have sadly been trying to solve this since 1pm, (its now 9) Basicaly i have a single instance project when a user right clicks an image it trys to host it. i use this code (yes this really did take me all them hours to get) [code] Private … |
| | Hi, I would like to know if there is a way to rename a label which is inside a GridView during the runtime. What I'm trying to do is: if the user chooses an option, Label.Text will be "Option 1"; if he chooses the other option, Label.Text = "Option2". Is … |
 | I am using a data connection (i don't know what...) I just have a connection string in APP_CODE and some supporting codes to execute it. (That's not the question) Well What is your recommended DB connection in ASP.NET, Is the real world still using ADO? is ADO for simple website … |
| | I tried to sum a column using the Dim myValue As Double =myDt.Compute("Sum("total cost"),"Condition") But I ony end up with the result. SyntaxError:SytaxError in argument: expecting an argument for singel column with possible "Child"-qualificator. Anyone knows what I do wrong I tried the same code with the column quantity and … |
 | (As a warning - if at any point you think "umm why don't you just use X to get your 2 column display - I'm all for that! This is the only way I came up with). I want to end up nice looking display of data on the form … |
| | Hello guys, i am in final year and planing designing an E-voting system for a country. What do you think is the basic requirements for such a system.. Please i need clues thanks  |
| | Hi all, I've written a piece of software that connects to a server's SQL database. The software has a timer which fires every second, and the timer connects to the database every time and pulls out a list of current to do's from a table (CurrentToDoList). This database only has … |
| | I am not too sure if this is easy or not but I have a datagrid with a return date field. All I want to happen is if any of the dates in the grid are before the current date Datetime.Now then turn a picturebox to visible. I have had … |
| | I built a vb.net solution and it works well on my computer but it doesn't on other computer. so what files I have to copy with the solution |
| | anyone can help me with this problem to make coding about : example question : me got 1 table with item X,1,2,3 and other table with item Z and value at row 1,2,3 i want make 1st table item 1,2,3 got a same value at other one table at row … |
| | How do I export the data in a datagrid view to an excel file? |
| | Hi All I need to capitalize the first word of each new sentence as user types. How will i come to know about the start of new sentences? do i need to use regular expression for this? |
 | in gridview i have labels in columns. in footer row i have textboxes(multiline) .now if i enter multiline text then after clicking add on label i am getting a big single line.what to do in source i am not getting wordwrap prop for label. thank you in advance |
| | I was just wondering for future information if you add a message to a combo box such as this: [code] ComboBox1.Items.Add(ComboBox1.Text) [/code] is it possible to save it in the combo box so that if the form is closed then re-loaded that message will still be stored? Thanks |
| | I have a main form with a combobox linked to a dataset when the user selects an account I have another form that opens the customers details on it. I can get it to display the first customer in the combobox but if select a different customer the form loads … |
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