20,285 Topics
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| | hey guys i was wondering if anybody knew how to open an array into visual basic. I have it saving as a text file correctly but i have no idea on how to open it up to use it again. what i have so far is [CODE] Private Sub Hour1ToolStripMenuItem_Click(ByVal …  |
| | Hello, I am reading a simple CSV text file into an array and trying to make a table that looks like: Col 1 Col 2 Col 3 Total Row 1 …….. …….. ……… …….. Row2 …….. …….. ……… …….. Total …….. …….. ……… …….. The problem is I cannot figure …  |
 | I am experiencing a similar problem everytime I stay too long in coding. here is the problem: When I EDIT a code, or move a position of a button or textbox or anything, or any other changes is done, and i debug it, the changes I made won't appear. (the … |
| | hi I have successfuly created an access database with vb.net accept it is not password protected. Can someone help me to password protect this DB. Here is the code I use. Thank you [CODE] Private Sub Button2_Click(sender As System.Object, e As System.EventArgs) Handles Button2.Click Try Dim cat As New ADOX.Catalog … |
| | I followed the suggestion from [ICODE]http://www.daniweb.com/software-development/vbnet/threads/388317[/ICODE] this thread. however i face a bit of a problem in my case i have a combobox at row(i).cells(0) the code seems to take the last new rows where there's not record and shows error the debug error msg is [ICODE]A first chance exception …  |
 | Hi all! I am trying to connect to a remote MySQL database in a VB.NET application. This database is located on my LAN at the address 192.168.1.2. I am using MySQL Connector/ODBC 3.51 (MyODBC 3.51) for the connection. The connection string that I am using is the following- Driver={MySQL ODBC …  |
| | Good morning, I'm having some difficulties fixing a problem, I need to allow permissions for a user to change the wallpaper but i can't seem to get it to work, i hope you can help me. :) Here's the code : [CODE] Dim RespostaMess As MsgBoxResult = MsgBox("Tem a certeza … |
| | Hi, I have written a program which reads the text from the text file cleans it for some specific letters or phrases and then saves it in another text file. I am having a problem in rewriting the processed or cleaned data (after it has removed some phrases and characters)onto … |
| | I create one web application in vb.net then tell me can i run this web application on another computer where visual-studio not installed. please reply as soon as possible..... |
| | How to display data in datagridview starting from the record which we pass at runtime? In C# For example, there is 10 rows in a table. When i run the app i'll pass 5th record's value so it should show all data of table starting from 5th row.  |
| | Guys I have this kind of problem where in I have a listbox and two buttons. Each of my button is labeled UP and DOWN. When I press UP, the current item in my listbox will be moved one level (or index) up and when I press DOWN button the … |
| | Hi All, I'm stuck regarding to grab connection from app.config file...i'm surf many type and kind to do it..but still can',t.....i need to connect into two database (oracle n firebird).....how to do this..hope u all can help me....tq |
| | hey Dear members i want to learn asp.net but i am little confuse which is best for beginner any easy is it VB or C# |
 | hey everyone in daniweb. i have a problem here. let say i have 2 arrays one is a and second is b. how do i compare each of them and insert to new array c? i do it like this [CODE] Dim a As String = "ABCDEFGHIJKLMNOPQRSTUVWXYZ" Dim i As … |
| | Hello people in daniweb.... i was stucked in doing my project here.. i nid to create a program that assigns a student to the available section. So.. i want to populate my data in datagridview using mySql as database.. while populating these data.. the datagridview should create a new checkbox … |
| | Hi, In my project there is a need to take screenshot and save it to word file automatically. Existing System: [LIST] [*]Open the website where log in exists for different resources. [*]Login for every resource and take a screen shot of their page and paste it to word file. Save … |
| | hi im using the chart to make a graph the graph is generated through user input i was wondering about a couple of things 1. how to change the line thickness for an individual generated line or all of the lines 2. how to change the colour of an individual … |
| | I have a field in my tables where the guidance counselor would have to type in Notes about the student. For example, Alex is in Grade 1 and he have an offense wherein he pushed his classmate, that note will be saved in the database. And then when he turned … |
| | Hi.... I am trying to connect sql server with vb.net in Visual Studio 2008 with foll. code.... but it is having problem....what is the problem? Please tell me.... 1. I created "publication" databse. In table i took 2 columns...fname and lname and fill the records... 2. I took DataGridView onto …  |
| | how to reset the existing password(topsecret)with a new password by using the "replace" keyword in the below code shown [CODE] Public Class Form1 Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load End Sub Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click System.Diagnostics.Process.Start("chrome.exe") … |
| | hi.. guys.. just joined daniweb.. and this is my first post this one's very easy... i suffered a lot to find this simple program.. i hope you guys like it.. here is a quick preview of it...[URL="http://lh4.ggpht.com/_blnOia1d0Pw/TQs3BhaCClI/AAAAAAAACco/3vPqJIlyG-M/gmail%20client.JPG"]http://lh4.ggpht.com/_blnOia1d0Pw/TQs3BhaCClI/AAAAAAAACco/3vPqJIlyG-M/gmail%20client.JPG[/URL] 1. First Of All Add the Following Line to your code: [CODE]Imports System.Net.Mail[/CODE] … |
| | Hi everyone, I am trying to make a program for my boyfriend to use at his business to keep track of cover charges. I am so lost as to what loop structure to put in and where to put it. If someone could take a look and please let me … |
| | Need help, I need to know on how can VB.net validates the format of each cell on the excel file that it opens, for example, the first row should only be numeric, or cannot be null, is it possible that vb.net can check it before it inserts it in the … |
| | Hi, I'm doing an app that adds info to a MySQL BD [CODE] Imports MySql.Data.MySqlClient Public Class curso_add Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click OpenFileDialog1.Filter = "Ficheiros de Imagem |*.jpg;*.bmp;*.png;*.gif" OpenFileDialog1.FilterIndex = "2" OpenFileDialog1.Title = "Escolha uma imagem..." OpenFileDialog1.InitialDirectory = "C:\" OpenFileDialog1.ShowDialog() End Sub … |
 | Im trying to put current system time in YYMMDD format but having problem with day function. is Day() which returned day of month in VB6 not available in VB.Net? If I want to get the current day of month, how would I do that? [CODE] Dim dt As Date Dim … |
| | Guys I need help. I am doing a system (project) entitled “Automatic Examination Scheduling System”. This system as it stressed in its title, aim to automate the assigning of proctors, rooms and times to subjects. So it must be triggered with only one button all at once. I have tables … |
| | I am using vb.net.I'll be using a datagridview which is bound to a datasource.Normally it'll load datas in first row(row(0)) to n th row,i want to load datas only from second row.my question is how to left the first row blank.Someone please help.. |
| | Hello again! So now i can save the picture in the database, now i have to retrieve it. this is my code for the saving of the picture, [CODE]Dim ms As New MemoryStream() studentpic.Image.Save(ms, studentpic.Image.RawFormat) Dim arrImage() As Byte = ms.GetBuffer ms.Close() Dim strFilename As String = lblfilePath.Text.Substring(lblfilePath.Text.LastIndexOf("\")) Dim cnn … |
| | Hi I am looking to create a program to help with my running training. It would be like a diary where I could select a date using either a DateTimePicker or MonthCalendar and then enter text into the textbox based on that date. Can you please help me with coding … |
| | Ok so I am using the default WebApplication in Visual Web Developer 2010, and applied Paladine's example of Simple ASP.Net Login page. And it is working, but only to some extent. I am sure I am just missing something INCREDIBLY simple, but after looking at this code for 2 days, … |
| | Public Sub getconcom_name() ledcmbsrcitem.Items.Clear() Try obcon.cmd.CommandText = "select con_id,f_name + ' ' + m_name + ' ' + l_name as 'name' from contact where type='company'" obcon.con.Open() Dim dr As SqlDataReader dr = obcon.cmd.ExecuteReader Dim oDataSet As New DataSet() While (dr.Read) ' MsgBox(dr.Item(0)) ledcmbsrcitem.Items.Add(dr.Item(1)) End While Catch ex As Exception MsgBox(ex.Message) …  |
| | Hi All, I always have trouble with this every time I create a desktop app which needs to update data from a database. So, I have created and coded my form to load data into a data grid view control, I can add data to the data grid view and … |
| | Hello guys... I just want to know how to close current child form and opens another? In vb.net Thanks in advance.... |
| | Hello everybody !!! I have a problem that. When I back up using "Microsoft.SqlServer.Management.Smo". It works perfect on my PC. But when I bring it to another PC. It doesn't work at all. Please give me some help!!! The file attach below [ATTACH]23303[/ATTACH] Thanks for your helping !!! |
| | Hi, can anyone advise how to make a button run code only while it is pressed? Basically I have found this code on the Net for changing the system volume, but you have to keep clicking on the buttons to change the volume. I want to be able to hold … |
| | dear frnds, i got vs 2008 proffessional edition i want to instal but unable and shows error report for temp file in local settings folder n |
| | Hi All, I need some help in understanding something. I have an existing database and I make some changes in Sql Server Management Studio, how can I adapt those changes in the Visual Basic project. As an example if I change a table name in Sql Server Management Studio how … |
| | Hi All, My wife is into the slimming world diet and has magazines with her favorite diets marked, so I decided to write her a desktop application so she can save all her recepies and tidy all those magazines. So please see my code for my breakfast form below [CODE] … |
 | I want to create 100 buttons in a Form. This is what I just tested. When you finish the following steps, you will see it is very nice. Enjoy. Step 1, Create a Form called Form1. Step 2, Add a TableLayoutPanel called TableLayoutPanel1. Step 3, Make it 10 X 10 … |
| | Hello, I'm a newbie in vb :D however with all the information and help this forum had provided i reach this far with my code BUT i can't proceed anymore. I'm trying to make a small software which will help me in my work. I can't get it to work …  |
| | I am having trouble setting up these classes. I need to set up a customer collection class that has one function GetCustomer(ByVal customerNumber As Integer) As Customer The customer class reads a file and returns 5 fields and x number of records. My question is do I set up the … |
| | Am trying to restore a MySQL database using the 'mysql -u root db < my_db' command. In vb's process.start. it gives me the default output you get when you type MySQL - help. Can someone tell me what's up. I guess it cannot see the < symbol. Regards. |
| | i use vb.net i trying to do a file upload, i want to image to save to image folder, however, the image don't know appear in the directory that i indicate if i click on "show all file", the image appear, but the image icon is blank or white like … |
| | HI guys! I have a listview that shows all the installment amount of an item. I have a button that calculates each amount when the amount paid is entered in a textbox. With this, how can I code it deduct to the next amount if the paid amount is greater … |
| | Dear All, following is the code at button event which copy data from one DGV (dgvAccesList) to another DGV (dgvProbReport) and its working properly. Its paste data to 3rd and 4th column of destination DGV. But the problem is that, if at source DGV first column and second column have … |
 | I saw the adobe pdf viewer control in vs2010 toolbox somewhere. and I thought it can be very useful. So I tried to add it. [url]http://img155.imageshack.us/img155/3349/choosetoolboxitems.jpg[/url] as I expected things are never simple for me, when I try to drag it to the form. there'a an error. [url]http://img214.imageshack.us/img214/8042/errorrp.jpg[/url] any idea … |
| | I'm writing a program in visual basic 2010 express and i have a combo box. in that combo box there are 3 selections 20 25 and 30. at first i had a percent sign in front of each but i wanted to take it out... so i took out the … |
| | in a form i have a listbox which has many items and one button,when we execute the project and while execution when i click a items from the listbox it will display the clicked item on the button but the problem i have is how to display the same clicked … |
| | Hi ALL, Can anyone tell me how to validate the text box value? I have one class with function for validating the duplicate value of sql table. Function: [code] Imports System.Data Imports System.Data.OleDb Imports System.Windows.Forms Public Class vDesignationSetup Dim oFunc As New hrSQLConn.SQLConnection Dim strINIPath As String = Application.StartupPath + … |
 | can anyone please help me with my update statement, i am trying to update a row within a access 2007 database here is my code. [CODE] Dim con As New OleDb.OleDbConnection Dim cmd As New OleDb.OleDbCommand Try con.ConnectionString = "Provider=Microsoft.Ace.OLEDB.12.0;Data Source=" & Database & ";Persist Security Info=False" con.Open() cmd.Connection = … |
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