20,284 Topics
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| | hi i have aproblem i have atable in database and the table has three colums branch_no branch_nnnno distance 1 2 5 1 3 7 2 1 5 2 4 10 3 5 15 4 5 5 i need aprogram by vb.net that find the shortest path between any two nodesw |
| | Using rs.open (bla bla bla........) then i need to streamreader each line from MySQL....how can i implement it? thanks |
 | Hi Developers... i have developed a software in Vb.Net 1.0. Its running on 3 systems. But some times only one system giving error for same transaction. Error related to code. Like data type conversion. Why this is happening? Anyone knows? Means Transaction1 is carried out on 3 diff sysytems with … |
| | Erm, how can i actualli detect certain word in a string so that i can accordingly insert them to the separate table in the database? For example: xxxxxxxAxxxxx,xxxxx,xxxxx,xxxxxx,xxxxxx xxxxxxxBxxxxx,xxxxx,xxxxx,xxxxxx,xxxxxx ........ xxxxxxAxxxxxx for table A xxxxxxxBxxxxxx for table B? thanks |
| | hi thisis my first post here, what i need to know is how to read/write files using visual basic 9 (visual studio 2008) its different in vb6 and vstudio for open (text) as (int) for output for those who have or r familiar with vstudio 2008, i took the "windows …  |
| | Hi I have a dataset which is popultaed with data from a text file, which in turn then populates a datagrid. This all works fine. What im trying to do is search within the dataset based on a value input into a text box. But everytime i do the search … |
| | I'll try to explain what it means: I have many folders and within folders, there are another folders with files inside. So to make things easy, i set [code]Watcher.IncludeSubdirectories = True Watcher.Filter = "Index.txt"[/code] So that any files with Index.txt will be used. How if i just need the Index … |
| | Hey there. My problem is simple, but I cannot seem to find a solution anywhere. I recently converted my application from VB6 to VB.NET manually. Everything is working fine, except one thing. The application's icon works fine on the executable itself, but as the application is launched, the icons on … |
| | I am not able to display dataset. Can anyone help me out? Here is my code: Imports System.Data Imports System.Data.SqlClient Imports System.Windows.Forms Imports System.Data.OleDb Public Class Form3 Inherits System.Windows.Forms.Form Private WithEvents DataGridView1 As New DataGridView Private Sub Currdbbtn_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Currdbbtn.Click Dim objConnection As … |
 | does anyone know how to develop an application in vb 2005 which does not require dot net framework installed on the users' pc to be run? requiring a 23 mb file to be downloaded and installed to download a ~1mb application is a real turn off for users to use … |
| | I`m recently got my last year project in a company, it’s a consultant company. I’m not sure how I’m going to start with the project…So I need help from you guys… I`ll start with the companies requirement: 1. He has a team of 7 people how will enter the names … |
 | Hi, I had been wanting to translate my VB 6.0 MSCOMM syntax into Vb 2005. Can someone give some advice? codes on VB 6.0 If Comm1.PortOpen = False Then Comm1.PortOpen = True Comm1.DTREnable = True Comm1.RTSEnable = True Comm1.RThreshold = 1 Comm1.InputLen = 1 bOK = False bError = False … |
| | Can anyone please send code for search form which contains clearing controls,validating and contains same criteria when you click search again button. |
| | eloo... i got the code to get data from sql to excell...but only the data that are displayed in textbox created early..i want to know how to grab all data and stored in excell...i created a table in sql nme tbl_rop and the attributes are Name_User, Date_of_birth, Hobbies, Phone_Number... this … |
| | i m working on a windows application on vb .net 2005. i have a datagridview column "Dates" with dates in it. I want to add dynamically on form load a new datagridview column "Days passed" and in the cells of this column i want to display how many days passed … |
| | Hi I have a small program that imports data and part of this data is in duration format: 00:00:00 (HoursMinutes,Seconds) What im trying to do is add these together so that they show a cumalative duration, but im not at all sure how?  |
| | I'm having a textbox in my form. I'm using tc table with field description. description ----------- AAA BBB CCC DDD if i externally insert the field as E.E.E and then if i add EEE in my textbox it should made a info thro msgbox like 'description already exists' how to … |
| | hey frnds,[B][COLOR="Red"]First of all Thx,CZ its ur contribution [/COLOR][/B]also with the help of which I cleared VB.Net interiew & my joining is on Coming Monday. Actually I have to develop there the Mobile Applications & games. So if somebody have the similar project ,pls paste the code here.  |
| | i've create a program that contain a 4 textbox and three action button. the textbox are used to fill user name, date of birth, hobbies and number. while the action button are submit upadte and clear...all of this are working perfectly..i also manage to store all the data entered by … |
| | i've create a program that contain a 4 textbox and three action button. the textbox are used to fill user name, date of birth, hobbies and number. while the action button are submit upadte and clear...all of this are working perfectly..i also manage to store all the data entered by … |
| | Hi I am using Visual Basic Developer 2005 I have this simple code that will delete all files created before today in the specified folders. The code works fine but I get an exception problem when the fso object deletes the files ie at fso.DeleteFile(file) inside the second For loop. … |
| | I have three labels & three textboxes on the form, I bind the data to the textboxes using DATA FORM WIZARD & Binding Navigator to naviagte thru the records. Suppose if i do any changes, I also want to update in the database. I drag one button on the form … |
| | function to trim all special characters in the text. I've to write it as a function so that i can use in all my forms. I need codings.. do help me |
| | Hi there! I've a problem...want to return the total number of rows affected by the statement "SELECT * FROM Producao WHERE ProdUserID=UtilizadorID" can anybody give a look to the code below? [CODE] Dim ProdUserID As String = "samurai" Dim ProducaoSource As New SqlDataSource() ProducaoSource.ConnectionString = ConfigurationManager.ConnectionStrings("seaempiresdbConnectionString1").ToString() ProducaoSource.SelectCommandType = SqlDataSourceCommandType.Text ProducaoSource.SelectCommand … |
| | hi, i was wondering if anyone knows how to make a program acept keystrokes even if it is not the active window? please reply cheers jack |
| | Hi all Im developing one application where i need Ms Exell as my database and vb as fornt end i dont know how to use exel as data base? Plz help me out..... thnx regards.. Pgmer |
| | I get this error message when i create a new file: (using filesystemwatcher() ) Cross thread operation not valid: Control 'txt_folderactivity" acessed from a thread other than the thread it was created on. [code] If e.ChangeType = IO.WatcherChangeTypes.Created Then txt_folderactivity.Text &= "File " & e.FullPath & _ " has been … |
| | My understanding of instantiating objects in vb.net is when you use the new keyword it allocates space for the object on the heap and assigns the address of the object into the variable on the left of the equals operator. So does the reference variable have the same behaviour as … |
| | Hello Friends, I am learning VB.Net (Visual Studios 2005) and using MS Access as backend database. pls someone tell me how to connect VB.net to MS Access. |
| | [QUOTE=Kumar Arun;603385]I am exploring the RS232 communication possibilities. I am faced with problems when i try to send file across the rs232 port. Please help...[/QUOTE] I am really sorry if i was not expressive enough. I will explain the situation. I have implemented the RS232 communication, At System A, i … |
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