20,285 Topics
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| | I am working with database and I am trying to join two tables . In one of my methods I wrote this code [code] 'this will construct a client object. The client data 'for the target client id(parameter) will be retrieved 'from the client data table. All of the transactions … |
 | hi I want to fetch data from sql and use them to make a new data I really like to store the records in variables and maybe do some operations on some of them , but the main point is to update three tables in ways that are not the … |
| | Hi, Anyone can help me to build this little program? i want to know that which folder or drive i'm in and my program will automatically write the status on the list box <example: kind of FileSystemWatcher1>. i mean, i want to get the current status of the drive and … |
| | Hi, I put 4 buttons on my form. [B]cmdFirst cmdPrevious cmdNext cmdLast [/B] How can I navigate my MS Access database using these buttons. I don't want to use .ADO instead I would like to use my own buttons with code (OLEDB). Sample code for this purpose would be highly … |
 | Hi Everyone, Can you reply with a tutorial and maybe a sample project that can be downloaded that shows how to update a database such as MS Access from DataAdapter commands in which changes are made in a DataGridView? For example, the DataAdapter contains 2 tables called FirstTable and the … |
| | Hello everyone I have the following situation with the background worker and hope someone can help me with this. 1.- i have a form and in that form I have the background worker. the methods doWork, Progresschanged, Runworklercompleted are in the form. 2.- when i star doWork, it executes a … |
| | Hi Everyone, I want to seek advice on how to acquire to strong background in Client-Server Programming, i mean learn it from scratch since having no knowledge about it but with networks Thanks  |
| | Hello to everyone, I have a program that gets some information from the user and updates the database. I also have two DataGridView, [B]OpenOrders[/B] and [B]ItemsInOrder[/B] When the user click on a cell in the [B]OpenOrders[/B] a [I]CellChange[/I] event is triggered and it updates the [B]ItemsInOrder[/B] grid view... Now after … |
| | hi, i'm facing a problem when i run this code and the error message is [COLOR="Red"]Wrong Decrypt Passphase[/COLOR]. this code is working well on my previous project. i have no idea what have missed out...Any idea's!!!!!! [CODE]Public Function LoadRemoteSQLParam() As String Dim nSQL As New entry32.StrSQL_D Dim sqlRemote As String … |
| | this may seem stupid, but i wanted to understand a few equations ive incountered. given these declarations of a two dimensional integer [code] Dim table As Integer(,) = New Integer(2,4) {{2,3,5,4,0},{4,3,1,2,6},{1,3,0,5,2}} Dim intA as integer = 1 Dim intB as integer = 4 [/code] figure out the value of int …  |
| | I have been working on a pythagorean theorem calculator and am actually stuck on the final bit of code. What I am trying to do is check the values (integers) inside a listbox, remove duplicate number (both values), and input one of the values into a textbox. Here is an … |
| | Hi All, I have two dimentional array, i want to filter the records in array is there any way to do it? |
| | I have everything done, but I forgot one simple little thing, how to save the database to a textfile, I have two forms with this application, the first one has all the information in it (textboxes) and a listbox in it to see all the contacts, then the second form …  |
 | I have installed visual studio 2010 on dc7700 machine when i am trying to open my project made in visual studio 2008 it convets it and didn't work converted file also when i am trying to create new project i did't find languages option like vb.net c# etc please help  |
 | i have written an application in vb.net 2008 that i want to access a remote database. when it tries to connect, this is the error message: system.data.odbc,system.data,version=2.0.0,culture=neutral,publicToken=b77a5c561934e089 failed what might be the problem? thanks |
| | I have an assignement to use each grouping of code only once and put it into an application. Cut the snips of code from the snips part (ill have that coded at the bottom) and paste in the application based on comments within the application. You dont enter a single …  |
| | Hi, I have the problem that the textfile did not appear after I saved it at my document, dekstop and other existing folder or new folder that created by user.Currently, it is only can be saved at C and D. Below is the summary: first:i want to call the value … |
| | I'd like to print preview and print 3 tab pages from a windows form. Below is my code. I was able to get it to work if it's only one tab. but not 3 tab pages. [CODE] Imports System.IO Imports System.Windows.Forms Imports System.Drawing Imports System.Drawing.Printing Public Class Results Dim bmp … |
| | Is there a way to determine is any control at all on a form has gotten focus? I know you can individually determine if a single control has focus or has been clicked, etc. but is there an event that can tell you that some/any control has been clicked? i.e. … |
| | Hi, I'm making a system where only the supervisors can use the Ctrl+Alt+Del to bring up the menu (Vista / Windows 7) or start taskmanager (XP) Since my application will not be running on anything less than XP I don't need to worry about 95, 98, ME, 2000, etc. I … |
| | [CODE]<div style="margin:0px 0px 0px 0px;" class="grid_16 example" align="center"> <asp:DataList ID="DataList1" runat="server" BorderStyle="Groove" CellPadding="5" CellSpacing="5" RepeatColumns="3" RepeatDirection="Horizontal"> <ItemTemplate> <ul> <li> <object id="player" classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" name="player" width="328" height="200"> <param name="movie" value="vplayer/player.swf" /> <param name="allowfullscreen" value="true" /> <param name="allowscriptaccess" value="always" /> <%--<param name="flashvars" value="file=<%# Eval("vurl","video/swf/{0}") %>&image=<%# Eval("vpurl","video/thumb/{0}") %>" /> --%> <embed type="application/x-shockwave-flash" id="player2" name="player2" … |
| | i would like to show an image in a datagridview cell giving the path of the image.. how can i do so? |
| | Hi ... i want to send multiple screenshot images from my client to server.. now i already get the screenshot code.. and the only problem i have is that .. i can't send them in my server.. any code will help... Thanks Ahead.. God Bless... |
| | Hi i want to send an multiple screenshot image.. and i want them to send one by one from my client to server.. Can you please post some code.. im using vs2008. Thanks Ahead.. God Bless |
| | Hi , After we finished make a project , we need to make setup file right ? is the setup file contain all the component we use in our vb.net ? like Crystal Report component ? im use VS.net 2003 Thanks for your information |
 | i m using vb.net with oledb connection when retrieving data from EMP database i m getting error as syntax error(comma) in query expression 'eno='1',lname='',fname='' And FromPay=## And ToPay=##' plz help... [CODE] Private Sub PopulateNameList() Dim Connection As New OleDbConnection(ACCESS_CONNECTION_STRING) lvName.Items.Clear() lvName.Sorting = SortOrder.Ascending Dim cmdfill As New OleDbCommand("SELECT eno, lname … |
| | Hi, I am working in the program which is written in Access 2003 database with developer extension. It looks really similar with vb6. It is quick and it does the job, but we would like to upgrade it into vb.net considering that the technology might "abandon" it. So, we try … |
| | Hi all , i have a string var containing info like this. [B]STRING[/B] = "Are you posting in the most appropriate place [B][COLOR="Red"]PKG0620_REL_23_Nov_2010[/COLOR][/B] to receive relevant replies" So, my program will ask only "PKG0620" info to be given by the user which i am storing in SEARCH var. SEARCH = … |
 | Hello all, I have been trying to use the Gmap.Net.Windowsforms Control I do have it in my Components tab but When I try to add it to my Form it Does Absolutely NOTHING. I dont know why, But it will add every other component I try. Can someone please help? … |
| | hi, How do i [COLOR="Red"]disable[/COLOR] user from goto desktop and when they press Control+Alt+Del it must prompt with admin username/Password.Is it possible to do....any idea ? i have created a login page but i have no idea on how to make it prompt when user press Control+Alt+Del |
| | Im trying to make an application that collects how many items were sold and which items they were, I was thinking something like this for checking the upc number, to see if it matches the names in the “files” [CODE] Select Case TextBox1.Text ' 0921115150 “Dark Chocolate Truffles”, 2221001501 “ … |
| | Hi guys, i have two tabs one is expiry date and block. my problem is, when i click block tab for 1st time it will correctly populate the datagridview. but when i click expiry date tab then block tab again, i got this error 'Provided column already belongs to the …  |
| | hi all, In my project is also administrator purpose also.I have not found solution about how to remove application from taskmanager using vb.net windows application.In vb.net I have not found properties of application with respect of that issue.But in vb it have properties of app.taskvisible then it is possible in … |
| | I got a dataset which contains the following data: id code description eff_date end_date --------------------------------------------------------- 1 ADV ADVANCE 2007-12-01 2007-12-31 2 ADV ADVANCE 2008-01-01 3 BUS BUS TICKET 2005-03-09 2007-04-05 4 BUS BUS TICKET 2007-04-06 5 PET PETROL FEES 2008-01-02 2009-10-11 6 PET PETROL FEES 2009-10-12 7 BOK BOOK 2010-01-01 … |
| | hi and hello is it possible to make images visibale =true or false in crystal report suppose there is crystalReportViewr Form and this form there is textbox if value in textbox is 1 then image box visible =true if txtbox =0 then image box visible=false please help me out is … |
| | Please how can i make a Label control to have the present day an time value and also make the time tick as in a normal digital watch.i would be glad if anyone could help with a good idea and clear illustration with codes.Thanks and God bless |
| | Hi Guru's I would like to be able to run code from a text file - is that possible. Ideally multiple applications will read this file and all behave according to the code inside the file. rather than having to keep rebuilding and distributing new versions./ I can't think of … |
| | Dear Experts, I explain first the scenario. In one vb form, I have 2 tables connected through ID(relationship from MS Access).In the first table the fields are NameID, Company, Name, Grade and on the second table the fields are ExamID, NameID, Date, Score1, Score2, Score3, and Average. Now, I want … |
| | Hi all I have a simple program which calculates some values for me. Let's say I receive some money in advance, go to a trip and spend some money there (not necessary in the same currency that I received advance in. Now if I spent more money then advanced, I … |
| | Hi based on the title, I want my textfile created can save at any location folder . Please help me. |
 | any idea how to use autocomplete in the textbox getting the records from database? i tried using the properties of textbox. But if the table is updated then autocompleteCustomSource is not updated... please guide me.. thank u. |
| | What i'm using; VB2008 express, Access 2003 DB, Objective to clear the datagrid view after updating. This should happen when the user clicks the OK button "which confirms the update". Below is what I have. I see in some forums they use the .Clear and some other options so what … |
 | i have a private sub that reads 4 lines of data from a text file, and then uses whats read and stores them in varibles. see below [CODE] Dim FileName As String = configfileV Dim TextFromTheFile As String ' Whole text Dim Lines() As String ' File splitted to lines … |
 | I am trying to write a code which will combine these values and format it in the following format to be used as control/validation ID. I have written a line of code that will merge these values together into a long string but I can't get the zeros to fill … |
| | I'm looking for any thoughts on how I am currently doing error handling in my VB.NET programs. Basically I put code in a try/catch, then call an error handling sub passing the exception and a string. The error handling sub gives an error message and writes to a text file: … |
| | I don’t know if this is really possible, the program can not use a mouse or anything that requires the use of the tab key (this would be considered a use of the mouse), is there a way to still add input into textboxes and hit buttons, kinda like the … |
| | I am trying to connect to SQL SERVER 2008 from vb.net but failed with Error 40. If I try to connecton to server\sqlexpress, error 26 is raised. step by step guide or tip would be helpful.  |
| | How could you, update the fields on database if its data type is Y/N, and the method of updating is a checkbox??  |
| | I feel guilty about posting again but I need help again and I have tried other sources of help e.g google and asking someone who is familiar with vb.net but still can't find the solution to it. It must be another simple fix but I cant find any reference to … |
| | [CODE] Private Sub AddIngoing_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load loadprodin() End Sub Private Sub loadprodin() Dim i As Integer objCon = New SqlConnection(conStr) Try objCon.Open() obj = objCon.CreateCommand() str = "Select * from product ORDER BY p_code" obj.CommandText = str sda.SelectCommand = obj sda.Fill(ds, "product") dt … |
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