20,897 Topics
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| | i m doing my final year project on "PC Maintenance Utilities" . Plz suggest me one good name for my project. it contains following modules: Junk Cleaner Privacy cleaner(browsers) Uninstaller Startup Auto shutdown/reminder System restore service manager process manager security tools Duplicate file finder disk analyzer empty folder analyzer and …  |
| | how can i add color to the TabControl..? we can add color to the TabPage but how to Tab control. |
| | Here is the problem Im currently having: I save a Text that is made in a Richtextbox which save it contents in .rtf when I open it loads the .rtf into the richtextbox (rtf is the make up for the text (like font and color)) but the textbox shows no … |
 | i have create a checkbox in listview...so i wanna know how to check it and export only check item to crystal report so i can print item that i have check... please anyone help me.. |
| | hi and hello i have developed a desktop application and deployed it and it's working fine but what i simply want that my application should be installed in only one particular PC to whom i have sold it out but same setup should not install in other PC. becuase i …  |
| | I have a bar cash register and have buttons for the drinks and number pad. In the program I have it working and it is reading the File and storing it in a Array. the problem i have is writing back to the part of the textfile. Here is 2 … |
| | I'm having trouble with validating my textbox. My textbox should only accept decimal number, and should not accept negative number. i tried this code for validating the input type, but i fail. [CODE]If Not Char.IsDigit(numWeight.Text) Then MsgBox("Incorrect input.") End If[/CODE] And i don't know if this is the right code … |
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 | I found this forum very useful to me as a beginner in VB.net and found similar thread regarding my concern unfortunately it doesn't for me may be could someone show me the solution. [URL="http://www.daniweb.com/software-development/visual-basic-4-5-6/threads/340634/1446506#post1446506"]http://www.daniweb.com/software-development/visual-basic-4-5-6/threads/340634/1446506#post1446506[/URL] i will provide screen shot on error I'm encountering. [IMG]http://i54.tinypic.com/15o9mvc.jpg[/IMG] Help much appreciated and thank you … |
| | I've tried so hard by myself and I've just ended up confusing myself as it's my first time using vb. I didn't want to waste anyones time but I'm sorry I just don't know what to do.. ---- How would I code this? I want to make a progress bar …  |
| | ai guys need a little help here..i create an interface where user can store their information like name, hobbies, DOB and phone number...the info is stored in sql server..now i want to call back all data that have being stored in sql to excel..when i say all i mean all … |
| | Hi, I have a form where I generate a report on some button click. I need help with the code to show another Form in Modal Form, And Place Progress bar on that and Increment the status, from calling form so that when progress bar is running user cannot close … |
| | Hi all i am havin a problem with my Jet oleDB connection i am getting an error and i am not sure if my code is completly wrong or it is a small problem any help would be great. This is the erorr i get: An unhandled exception of type … |
| | So I just started reading about serialization of class and how I can save them into a binary file. But after I define my class as <serializable()> and try to save the object it keeps throwing me this exception. [COLOR="Red"]"An unhandled exception of type 'System.Runtime.Serialization.SerializationException' occurred in mscorlib.dll Additional information: … |
| | hi, i want to ask about the check/uncheck the checkbox in a column in datagrid. if all row in the checkbox column is not selected, what is the code is.... because i want the msgbox appear if the user not check any row. tq, |
| | Hey guys, I'm seriously breaking my head over this one. This project should have been finished 10 hours ago but I've been stuck on this for ages. First I set the DataSources / Dataviews of all the things I need; [CODE] Dim dsPubs As New DataSet() dsPubs.ReadXml(pathdone) DataGridView2.DataSource = dsPubs.Tables(0) … |
| | Hi there, I have wrote a program that do a bit of calculations that takes about 10 min to complete, therefore I need to show a progress to user. I used a percentage in status bar to show the current status of program. The problem is for updating the number … |
| | I have a list of values extracted from a datareader in a list. Is it possible for me to run a query to extract another set of values using a datareader and then use the individual values in the list and the values in the datareader to perform some calculation, … |
| | How would I write a recursive function to scan the Temp Files on a computer and list all the files & folders to a ListView? |
| | Hi I m working on a project where in i have to change the EXCEL workbook settings at runtime as per the regional setting of the user. Although i know abt the Localization option available in vb.net, but it is only working for forms not for EXCEL. Need ur help … |
| | Hope I can get help. Each time I write an Update query I have a habit of forgetting to add the where clause. I have destroyed my test records many many times. Therefore is there a way to count the number of rows that will be updated so I can … |
| | I am trying to display only year in datetimepicker in vb.net Can anybody help me out. please |
| | What data type could I use in my access database that can hold very long texts. By default, each cell in Access tables can only contain up to 255 characters. Is there any way to extend this to any length I want? |
| | I have a checkbox X1 that if checked it will check a column of checkboxes. What i'm trying to do is if the user unchecks at least one checkbox from the column it will uncheck checkbox X1. But I don't want it to run the event from checkbox X1 again … |
| | What is the right way to declare an array [CODE]Dim lblname As Label() = New Label(get_num_of_children()) {} Dim mealcheck As Integer() = New Integer(get_num_of_children()) {}[/CODE] or [CODE]Dim lblname() As Label = New Label(get_num_of_children()) {} Dim mealcheck() As Integer = New Integer(get_num_of_children()) {}[/CODE] Thanks for your help |
| | I have a listview that has order for certain computer parts such as a mother board etc. aswell as that i have several textboxes that contain customer information. I have a "Checkout" button and i was wondering if it was possible to create a 'professional' looking invoice which has the … |
| | Hi, I want to move a shape (label) when I press WASD around a maze. I got what I have so far off the net, but I cant figure out whats wrong with it. [URL="http://www.programmersheaven.com/mb/VBasic/223364/223860/re-basic-key-press-question-answered/"]Original code[/URL] [CODE] Public x 1 'This is whats wrong - it says "End of statement … |
| | [CODE]myCoolFile = chosefolder.SelectedPath & "\" & NameofUal.Text & ".Ual" Try Dim myCoolWriter As New IO.StreamWriter(myCoolFile, False , [U][I][B][COLOR="Green"]????[/COLOR][/B][/I][/U]) <-<-<- For i As Integer = 0 To Mainfrm.ShellProgramslis.Items.Count - 1 myCoolWriter.WriteLine(Mainfrm.ShellProgramslis.Items(i).ToString & "~" & Mainfrm.myArrayList(i)) Next myCoolWriter.Close() Catch Erroronwrite As Exception End Try[/CODE] [U][B]Ive got some problems how do i say … |
| | I have some problem with my report. I don't know how to update my report. Every time i enter any data, the report did not show the added data. Please guys i need help. Thank you in advance, God bless. |
| | Hello, I have below code for form login using validation from access database. In database I have now three columns, for user, for password, and new one for department. Can someone show me how can I add also a deparment for login validation? Maybe to adda combobox under password and … |
| | Hi I am trying to list all users logged into a speceific server but am getting nowhere. Im using the below code which i have formulated from various resources but it always returns 'not logged in'. when drilling into the oReturn object it says on alot of the items that … |
| | I am trying to calculate the 'Profit' field based on the current record's 'ProjectTotalBillingEstimate' field and the 'ProjectActualCost' field. I want the 'Profit' text field to be calculated every time a record is changed, either via the navigation toolbar or the Project ID drop down box. I tried performing the …  |
| | I have a Windows application written in vb.NET 2.0. I recently upgraded it to framework 3.5. For some reason it started to change ‘,’ into ‘.’ in numbers and change the date format, on some of the client computers where it is used. But only in this specific application. I'm … |
| | Hi, I am trying to include a commented threaded system for my webpage. I have the db design ready... Comments Table Comment Id Parent ID (will be zero for the base comment) Comment Description Submitted by Submitted on I am able to store comments inside the table.I need to display … |
 | Problem is based on C#, ADO.NET, using Access Database. I am trying to filter the results from the database and display them in DataGridView on click of 'button1' button. But the datagridview shows empty results when there are actually 3 records with matching conditions. According to what I know, the … |
| | Dear Freinds I face a problem that if i make a datattype in sql server of Integer and then use it in linq to sql query it give error of "specific cast not valid" and when i change datatype into varchar the linq to sql query work fine one more … |
| | don't have any code yet |
| | hi anyone who can help me how do i declare date-time format in vb.net from sql server 2005? i dont know where to put this line [CODE]CONVERT(VARCHAR(10), GETDATE(), 1) AS [MM/DD/YYYY][/CODE]  |
 | Hi please herlp me on How pass values from datagridview to listview thanks a lot guys :) |
| | Hi, I've seen sample vb project. It's a console application. There's a code there like [B]Dim q() As String = Environment.GetCommandLineArgs()[/B] First I try to check it by using message box to print it out: the index-0 of q contain a path project vshost --> q(0)="D:\TestService\sample1.vshost.exe" and the index-1 of … |
| | [CODE]If p1at.Text >= 0 Then If p2at.Text >= 0 Then If p3at.Text >= 0 Then If p4at.Text >= 0 Then If p5at.Text >= 0 Then If p1at.Text <= p2at.Text And p1at.Text <= p3at.Text And p1at.Text <= p4at.Text And p1at.Text <= p5at.Text Then If p1at.Text = 0 Then p1ts = p1at.Text … |
| | Please help me on this i really need this badly... tnx |
 | I have a datagridview control on my form. i use this to display data including images. Please how can i set the row height of the datagridview control so the picture can be well displayed? Thanks |
| | i have the following code for getting the number of files on a drive: [CODE] Dim num As Integer = 0 Dim drive As String = "C:" For Each File In System.IO.Directory.GetFiles(drive,"*",System.IO.SearchOption.AllDirectories) Try num += 1 Label5.Text = String.Format("Files found: {0}", num) If num > 50 Then RaiseEvent start() End … |
| | i have create 2 form , 1 database 1 textbox and 1 button reset in form 1 = "fill current username" = textbox1, button = reset.... 3 text and 1 button on form 2...new username = textbox 3,new password = textbox4,confirmpass = textbox5 and 1 button "sign up"..i just wondering, … |
| | hi I thought this was simple so i guess i am doing something wrong. I want to read the value of an item in the registry. the value im after is the centralprofile key which im trying to get by passing the SID and looking up the subkey but it … |
| | I have a section of code that builds a table as the user enters information. I'm having trouble figuring out how to navigate through this table. There is a NEXT button and a BACK button. When they hit NEXT, either the next row loads, or the textboxes are emptied out. … |
| | I have just opened an old application with VS 2010 and it has converted it to .Net 4 but after it suggested that I use the ReplyToList property rather then the old ReplyTo property, I cannot get the application to build. It keeps telling me that "'ReplyToList' is not a … |
| | I have a task. I will be receiving anywhere between 1 and 4 files daily from one single email id. I would like to extract these attachments, save it to my local drive, and then, extract the data from there into a database. I do not/will not be using Outlook … |
| | hello frnd i hav created crystal report my database name is schools and its giving exception ,,,,,,,,, exception in form loading my coding is <crystal report> Imports CrystalDecisions.CrystalReports.Engine Imports System.Data.SqlClient Public Class CRSTECHERS Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click End Sub Private Sub CRSTECHERS_Load(ByVal … |
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