[vb.net] Forum Topics

Hi, I looking for a solution for how to check if a connection to a remote computer exist or not using vb.net. I 'm writing a program which will request data from a remote sql server. I need to check if the connection to the remote server exist, before open …

Hello everyone, I have some problem with my windows application in my system. when ever i right click in the tool box and select choose items, the application got closing. Can, any one help me how can i resolve this problem.

hi All, Why when I drag the datagridview in my designer, they don't give me a selection on which data source? How can i declare my datsource, dataset? URGENT..HELPPP

hi, i would like to ask some question regarding saving textbox output into PDF format... i used StreamWriter.. but i dun think so it can work with in PDF. therefore any suggestion for my problem =D thank you so much and have a nice day regards margaretna =D

hi to all i have developed windows application it's database is in the msaccess 2003 and i have also used password to my database now is there any way then no one can delete this file i mean if any one want to delete such file it should ask for …

Hi , I am new to VB.NET.I am creating an database windows application in VS2010 and SQL server 2008 express.In one of my form i have a datagrid. My requirement is that i want to display the sum of an column of a DB table and other related data from …

Hi, i have convert my code from sql to mdb but there is problem when it comes to place i highlight in red it doesn't execute the command reader....it end the application when it reaches [COLOR="Red"]Do While dr.Read[/COLOR]can any1 tel me whats the wrong with my code.....i'm totally blank ! …

i want my program to have a splash screen as the starting screen but i need it to automatically count 10 minutes after it closes and form 1 loads. is it possible should i use a timer or what?

I am building for a football team can enter their points and it will display points and total points and a final Score. the message box opens and you enter the point and the point then suppose to go into the listbox. I can't to get the points to go …

Hi Guys, i have this code which draws a continuous circle using a timer. Now I have to display it in the form which has a group box with loads of other fields and information. Now can anyone please tell me how can i add the circle into the group …

i am trying to create a dataset for use with crystal reports. i have a dataset called dataset.xsd with two tables BatchHeader and BatchDetail these have a relationship of BatchID on both tables. (see picture1) I have this working when there is only one table in the dataset with this …

Hello.. anybody can help me by telling me the code to insert a row to a table in database in visual basic 2010 please please

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 …