20,278 Topics
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| | Hello Guys, please i need your help: does OpenFileDialog control have a restriction on the maximum number of files it can upload? i'm curreently working on an application that uploads files to an FTP Server. the codes work perfectly to upload up to 80 files but if i try to …  |
 | Hi Dw. Has anyone worked with TCP/IP socket in Windows Phone? I'm using Windows Phone 7 and I would like my app to communicate with my server which my client will send some data to the server and the server will also send some data to the client, It's more … |
| | heY, I need help.... I want to know about concept of combination between software and database on enterprise level software. Recently I develop software using vb.net. Then I install mysql and connect these two software. But this isn't the way enterprise level software. Ex : In Quick Book Accounting package … |
| | Hi Dw. What is the correct way to write an sql query like this? `"select * from MyTable where username ='username' And password ='Password'"` in vb.net. My problem is that on my database I have some usernames repeated but they differ by their passwords. Each record has a different information. … |
| | I want to know about develop vb.net project by LAN users... I Find about this internet and I couldn't find..... Please give me steps to do that .... |
| | Good Day VB.net Geniuses! I'm just wondering if there are still any other free reporting tool that can be use for Visual Basic 2010 Express edition since Crystal Reports is not working for Express edition :( I only have a simple MS Access Database :) |
 | Hi Group, I've imported an existing form into a new project that I'm creating (using Visual Studio 2015 Express/VB.net). When displaying the "Design" version (the user interface), it looks like a plain form and doesn't resemble the actual form in the original program. As per the directions, I added the … |
 | I made a simple complain management system in VB.NET, but I want to display daily, weekly, monthly and annual reports at any time when it will be required. The only hardness I'm suffering here is to get let's say the specific date just after the past 24hrs, past 7 days …  |
| | Hi Dw. I'm deeply in need of your help, I'm having a problem that is giving me a very serious problem with my code. My program is a multithreaded program and its a TCP/IP based application. Client has no problem, only a server that is being so weid to me … |
| | Hi! I am doing a system in Visual Basic .NET. My vision is to have different users, with their own PCs, using the same database. Which database should I use to have this feature: local or service-based database? |
| | Hi Dw. I'm developing a Client Server application. At the moment I can connect the two and send data. The main aim is to make a server as a core control. The server only perform actions according to each client request, so the client can request to connect to let … |
| | Hello every one. I have a form in VB.Net, as attached, I need to code the OK button. The Transfer From combobox and Transfer To combobox get all there values from the same table. The amount being transfered is keyed in via a textbox. Once the amount has been transferred, … |
| | Can anyone please help me about binding 2 fields from the database and combine them in a label? here's the situation: I have an ms access database with First Name, Middle Name, and Last Name columns and in my new windows form, I want to combine it into full name. … |
| | Can anyone please tell me how do I get the total row in my ms access table and put in my label.text at vb.net? |
 | Hi All, am trying to use build a secure login page. I have written necessary functions and the registrations works fine (with secure hash + salt passwords created) but the verification never goes through. Can someone point me in the right direction? Imports System.Data Imports System.Data.SqlClient Imports System.Security.Cryptography Imports System.Web.Security …  |
| | Good Morning group! I've made some minor changes to my coding (to open a log file, write to it and then close it) and now I'm getting an error that I've not seen before. The error code is CA2213. I've read what it says and I've tried to look it … |
| | Hi Dw. I'm a bit stuck with a lot of confusion here. I'm developing a client/server applications which communicates to each other, my project is a multi-thread based and I'm currently using MS Access and database but I have hit a very challenging problem as this was the wrong database …  |
| | How to break up the string into smaller strings. I am using VB I have the following string which I want to break it up on <br/> Dim s As String "cat dog <br/> red green <br/> car box <br/> " Than I have used a split method Dim s1Temp() … |
| | I am trying to connect my database to my application. this is very basic at the minute but here is my app: [Click Here](http://prntscr.com/b4wciu) I have created a database which is hosted. I was wondering how i would connect it from cpanel/mysql workbench to visual studio |
| | Hello. I'm new to programming and I'm using vb.net 2010 and I'm stuck with this problem. So here are the details, I have 2 tables in my database, a product table and a category table. In my product table I have product no, product description and category no. In the … |
| | Hi! I have added a contextmenustrip on my form and in the contextmenustrip I have added two items. when I click on the 1st contextmenustrip item it works but when I click on the 2nd contextmenustrip item it does not work only the 1st contextmenustrip item works. and when I … |
| | I just use this code to input data to oracle database from vb.net. Try Dim mstream As New System.IO.MemoryStream() PictureBox1.Image.Save(mstream, System.Drawing.Imaging.ImageFormat.Jpeg) Dim arrImage() As Byte = mstream.GetBuffer() mstream.Close() query = "INSERT INTO ds.students (ID,NAME,PIC)" & _ "VALUES (@ID,@NAME,@PIC);" Dim cmd As OracleCommand = New OracleCommand(query, con) cmd.Parameters.Add("@ID", Convert.ToInt32(TextBox1.Text)) cmd.Parameters.Add("@NAME", Convert.ToString(TextBox2.Text)) …  |
| | Previously I used vb.net with mysql database and successfully added data from insert query. In that senario my sql code is like this : INSERT INTO ds.students (id, name,pic)" & _ "VALUES (@id,@name,@pic) Now I used oracle database with vb.net. When I run program it shows: "ORA-00936 - Missing Expression" … |
| | I was very tired of searching, but I did not find anything i have a from and its minted textbox and CheckedListBox the CheckedListBox have five choices and i want to insert the Items(more than 1) Checked from the CheckedListBox and the textbox into a table in the database like … |
| | this is the code of the from which i trying to open form the login form it is say invalid attempt to call read when reader is closed Imports System.Data.SqlClient Public Class Form40 Private Sub Form40_Load(sender As Object, e As EventArgs) Handles MyBase.Load Label1.Text = users Dim user_Name As String … |
| | I have a question is there a way t write the following in a shorter way because i have to write this all about another 25 times. there is always one difference with one of all the textboxes. ' zonder roepnaam en zonder tussenvoegsel, wel vader maar vader geen tussenvoegsel, … |
| | heY guys, I just step to oracle database system. so I'm new to this. I'm trying to make connection oracle db with vb.net. I saw below connection string on web. But I dont know it's keywords. So please teach me. SERVER=(DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=MyHost)(PORT=MyPort))(CONNECT_DATA=(SERVICE_NAME=MyOracleSID))); uid=myUsername;pwd=myPassword; |
| | Hi, I am trying to get the the number of rows that are populated in a SQL Server table. I am using the code below but it only counts one row everytime when I know in fact that there are 47 row in a particular table. Could someone please point … |
| | Hello everyone has been a while since i made a question here i have a real problem with a web app that i been doing recently the problem is related with the datetime format when i make transfer data from the webapp to a database in access, the field in … |
| | Hi Dw. I am developing a client server multi-thread application. This application uses signals(certain messages as signals), in order to perform a task for a client. For instance if a client wants to login, the client send a message as: `Login:<username>:<password>` and on a server I first check if the … |
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