20,277 Topics
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| | I'm doing a project involving VB.Net 2008 and SQL. I'm trying to make a combobox display whats in the sql database that is connected on the left hand side. how do i do this? Sam |
| | i want to make auto generated item number look like this item001 item002 and so on when i saved the item001 the next time i try to input new item it will give me item002 and so on... Thank You. i am using ACCESS |
| | Hi. I am new to VB (and coding in general) and I'm wanting to make a check digit generator. To do this I need to take the a user text input and split it into individual digits so that I can then calculate the check digit. I'm just not sure …  |
 | in form hve 1 datagrid, 1 microsoft reportviewer and 1 textbox.. all data in datagrid binding from access database.. i put this code in textbox to search data in datagrid and automaticly data will preview in reportviewer..in data grid hve 2 column, like product & model.. [CODE] Me.Product_listTableAdapter.FillByproduct(Me.MydatabaseDataSet.Product_list, TextBox1.Text) Me.ReportViewer1.RefreshReport()[/CODE] … |
| | I keep getting the following error when I try to add new record into database (Access 2007) "The INSERT INTO statement contain unknown field name:'login'." I dont whats wrong as the coding looks fine and the field login does exist in the database. Spent whole day trying to find the … |
| | Hello! I need a way to have 3 colums of checkboxes inside a checkedlistbox. I know i could do it with a panel, labels and checkboxes. But having them all in the control would be more convenient. I'm pretty sure there is no direct way of doing this, so i … |
| | Hi Ever had the situation where you need to make a copy of a Datatable? Or where you wish to copy a datarow from one datatable to another? Well here is how by using [B]Clone[/B], [B]Copy[/B] and the [B]ImportRow[/B] DataTable Methods. |
| | hi i want to sql database backup through the vb.net code. |
| | Hi Guys, I am developing a VB application along with MS Access... When I initially load my form I need to put my application to sleep for 3 seconds or else data wont load properly. So for this 3 seconds I would like to show a progress bar displaying a …  |
| | i using datagrid and all contents in datagrid from accessdatabase (using dataset) i hve this in query builder.. SELECT product, model, stockIn, dateIn, allQuantity, stockOut, dateOut FROM Product_list WHERE (model LIKE ? + '%') can i search by multiple column like product & model in 1 texbox & 1 more … |
| | All, This is driving me crazy. How come only the last thing I send to a textbox is displayed? In the following example I would expect 'abcdefghi' to be displayed then, 1 second later, '123456789' should be displayed. But the only thing I see is 123456789. What is going on … |
| | Can somebody explain to me why every time i subtract currency it displays the negative sign, even if the number used to subtract was small. for example: $ 5.00 - $ 3.00 = $ -2.00 |
| | Good Day i already set up my MySql Database and my form for this application. I have this project in school that will give time credits to every student. For example a student gave 30 hours of time consumable, everytime he uses the computer the time will deduct how mmuch … |
 | I have created an application using ODBC data sources.it runs on a local machine well. but i want it to run on client machines from central server.the following is the code that i use: dim myconnection as new odbc.odbcConnection("dsn=cleaners") myconnection.open where cleaners is a data source i have manually created … |
| | Hi Guys, I am currently working on a vb project. What I am trying to do is reading a XML file and saving all the data in to the Access DB. Once this is done, I read the data from the access Db and display it in the required fields … |
| | I am having a problem with my project in VB.NET which is a program to do facial recognition on photos sent via MMS using a GPRS modem. I have got the facial recognition to work on photos input via the computer. the problem arises when i send the MMS over. … |
| | Dear All, How can I do this I created 2 forms... 1 is the main form and another is monthcalendar form. When i cliked on a button in MAIN form it will lik to another form which is MONTHCALENDAR form. When I click on the date in MonthCalendar , How … |
| | Hi All, I try to store Korean langguage in Microsoft jet OLEDB 4.0 database, but I cant retrive it back. [CODE]catNewDB.Create("Provider=Microsoft.Jet.OLEDB.4.0;" & _ "Data Source=" & sDatabaseToCreate & _ ";Jet OLEDB:Engine Type=5;")[/CODE] I try to google around for weeks..but still cant find the solution, I believe microsoft jet 4.0 should … |
| | hi, i would like to create an uniqueID where it must add +1 behind the CurrentTranxDateTime for the transaction 1 to 10....I have coded as below but the problem is the number doesnt +1 for each transaction.....any1 have idea to solve this..... eg: 300111 01:45:29 AM 1 300111 01:45:29 AM … |
| | Good afternoon, I'm trying to alter an application that calculates the area of a square using the following guidelines: For the Square class: 1) Add a Private variable named _area 2) Associate the _area variable with a Property procedure called Area 3) Change the CalculateArea method to a Sub procedure. … |
| | I tried to get help on this on a different thread, but I didnt get any help on specifically for this, so im just making a thread just for this. The first problem is im trying to make a five digit string, it needs to be 5 digits long basically … |
 | Greetings, My app saves a bunch of stuff to an XML file. This is my line of code- [CODE] Using writer As XmlWriter = XmlWriter.Create("C:\vdx2k\MWS\RE\EXTReportsInbox\TK" & frmCitation.txtCiteNumber.Text & "Traff.xml", settings)[/CODE] So that saves it at that specific location. I need to duplicate the XML and have it also save in … |
| | Maybe it's a noob question ... anyway, I create a dynamic number of PictureBox controls. I keep them inside a List. What I want now is to make them clickable: same event handler for all (opening of the image source file) with a parameter. The question is: how can I … |
 | i have the following code [CODE] Dim i As Integer i = Me.GridDomains.CurrentRow.Index Me.lbdomainid.Text = GridDomains.Item(0, i).Value [/CODE] when i have complied it in visual studio 2010 (debug) i get a error saying system.data.sqlclient.sqlexceptions conversion faild when converting varchar value LBdomainID to data type int. in sql the datatype is … |
| | i have code in which datatable values will be given in crystal report of vs2008 iam very surprised when i run my application in debug mode by pressing f10 key value all the value loaded perfect but when i start application in normal mode only one value of datatable is … |
| | i cant connect to my tcp server here is the partial code of my server [CODE]Public Sub New() InitializeComponent() server = New TcpServer(9988) clientCollection = New List(Of System.Net.Sockets.TcpClient)() End Sub[/CODE] and here is for the client [CODE]Try 'connect Dim hostname As String = "127.0.0.1" Dim port As Integer = 9988 … |
| | Im trying for a message box to pop up but this code gives me always "Absent".How can i fix this. [CODE] Dim time As Date Dim CurrHour As Integer Dim CurrMinute As Integer time = DateTime.Now CurrHour = time.Hour ' Get current hour value CurrMinute = time.Minute ' Get current … |
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| | Dear All , I need to backup the sql server 2005 express database . It works fine if I make backup to specific folder"C:\Program Files\Microsoft SQL Server\MSSQL.1\MSSQL\Backup" . But if I change the path to any other path . I got an error "Backup failed for Server 'server name'. " … |
| | Dear All, How can I call a javascript to my VB.Net Window Application. Apprecited for immediate attention.. |
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