20,899 Topics
 | |
| | for example i have 2000 picture box and i have a array the lenght of 2000. and my picturebox names is like pb1,pb2 .... pb1999, pb2000 so if my arrays 1393th item is not null i want to change 1393th pictureboxs color. is there any easy way? i know i … |
| | [CODE]newUserCommand.CommandText = "INSERT INTO users(username, password, security) VALUES('" & newUserNameBox.Text & "';'" & newPassWordBox.Text & "';" & newUserSecurityBox.Text & ";'"[/CODE] I cannot find where the syntax error is but vstudio tells me the error is in a unclosed quotation after ; |
| | Hi I am trying to submit a date value from a DateTimePicker1 using short date format 05/02/2011 I get an error on submission .NetSqlClient Data Provider:conversion failed when converting date and/or time from charecter to string this is my insert [CODE]cmd1 = conn.CreateCommand cmd1.CommandText = "INSERT INTO tenant(firstName, lastName, Email, … |
| | Here is, basically, how my application works: When windows starts, my app starts. Whenever my app is running, it hides the desktop, taskbar, etc... When a button is clicked in my application ("Start program"), then my application will set its visible property at false and another application will start. Everything … |
| | k we're working on a billing system Currently I am working on the categories module. Here's the thing: I need a dynamically changing UI. So the user can add categories, delete them and teh UI would accordingly add or remove controls automatically. I used DataGridView, but since the fetching and … |
| | Hello, How to reset the properties of the form as well as all of the control properties values when i click a button. Thanks in advanced.. |
| | Hi, Actually I don't know if my question belongs in this topic or in the VB.net topic. But I'm making a VB.net application with a mysql database and i have to make a trigger but I don't know where I have to use or implement it in my application. I …  |
| | is there any code for opening a file without using any dialogbox? directly |
| | Hello all, Im currently doing a project which is a system that adds booking records to it it loads the database from a module [CODE]Set Db = OpenDatabase(App.Path & "\cihansol.mdb") Set RS_Staff = Db.OpenRecordset("EPHS_Staff") Set RS_Customers = Db.OpenRecordset("EPHS_Customers")[/CODE] im very new to visual basic so i dont know much anyway …  |
| | Hi all, I want to create code to delete row in datagridview based on checkBox selection. I've managed added the checkBox Button using code below: private void FormTampil_Load(object sender, EventArgs e) { DataGridViewCheckBoxColumn checkboxColumn = new DataGridViewCheckBoxColumn(); checkboxColumn.Width = 30; checkboxColumn.DefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleCenter; dataGridView1.Columns.Insert(0, checkboxColumn); // add checkbox header Rectangle …  |
| | help please..help me in my timer like the time they use in computer shop and when the player is already time out it will alert...[COLOR="red"]the idea like this if the player start 3:00:00 then it will appear in the textbox for the time - in and in the time - …  |
| | [CODE]Dim line(10000) As String Dim log_ctr As Integer Open App.Path & "\data\log.txt" For Input Lock Read As #1 Do Until EOF(1) Line Input #1, line(log_ctr) log_ctr = log_ctr + 1 Loop Close #1 If last_log <> log_ctr Then For n = last_log To log_ctr - 1 Text1.SelStart = Len(Text1.Text) Text1.SelText … |
| | Not quite sure if im in the right section but lets try ... In my project i want to use a "Local Database Cache" and sync it with my online MYSQL server. Problem here is, the MySQL data-provider is not showing up when doing the wizzard for the Server/Client properties. … |
| | Can anyone tell me how to auto load data content from a file (primarily containing rtf) when the file is opened. I want to create a system like Microsoft word where you create docx/doc files and double clicking them opens word software and loads the files. I know file associations …  |
| | i have a generic list of type datarow. i have to split this list at an index and then use both parts of the list. Eg: list = 1,2,3,4,5 i want to split it at index= 2 i.e at value =3 . then list1=1,2,3 and list2=4,5 how can i do … |
| | Hi i have problem with my timer. when application run it does not go to the timer at all.I have no idea where do i need to troubleshot anymore. Please help if anyone know ! [CODE] If CheckStatusStr = "0" Then Update_CurrBal() SuccessfullySave() ElseIf CheckStatusStr = "1" Then timercount = … |
| | [COLOR=#008000]command.Parameters.AddWithValue("@number", TextBox1.Text) can i do this from another way? [/COLOR] |
| | MS strikes again. In my tiny little mind this should be a no brainer but I just don't see how to make this work. I have an unbound DataGridView control where I have defined the columns at design time. Currently to add a new row I use a like this: …  |
| | Hi All, I have a requirement to create n Access 2007 database & some related tables from my application at runtime. I used to be able to do this ages ago in VB5 but having difficulties doing it in VS (VB) 2010. Any pointers would be gratefully accepted. Thanks Charles |
| | Hi, I have a collection of (String, Integer). I have taken it into a String() Array and then added to a List(Of String()). I then need to find the duplicates in this list and if found, then add up the corresponding integers. How do I do this? Am I using …  |
| | Hello guys, I have been thinking if I can develop my personal application using my VB 2008 IDE. I have created different software but all of those are only for PCs. How about for phones, is it possible? If yes, how? |
| | Dear Friends How can i convert file into its hex in vb.net or any programming language???  |
| | Well my datagrid so far has the edit,update,cancel feature and it can get info back from database after entering a number into a textbox. All i need now is to get it to where I enter a number the data comes up which works and I want a blank row … |
| | hi guys i have problem with my code here is my code [CODE] Public Sub increment() Dim dr As SqlDataReader If con.State = ConnectionState.Closed Then con.ConnectionString = (strconnection) con.Open() End If Dim str As String = "Select CUSTOMERID from tbl_Customer" cmd = New SqlCommand(str, objconnection) dr = cmd.ExecuteReader While (dr.Read()) … |
 | i have a datagrid and want to format the cell background colours which is working fine. as you can see if the value of the cell is > 95 the cell goes green if the cell value is < 90 the cell goes red. i need help with anything between … |
| | I am writing an application that pastes unformatted text into various fields in an application called cerner. Cerner runs via a VPN that is setup by Citrix software (I think). All the cerner applications seem to run under the same windows process. Does anyone know of a good resource online … |
| | What happens if a value from hex editor is deleted but not modified ... Friendz plz help |
| | I am working on something for school as a final project before graduation. I am using ASP for the website and VB as the back end to code. I keep getting the error "Object reference not set to an instance of an object" and can't figure out what is wrong. … |
| | Hi, i connect database with vb.net and also i receive a single value from my receiver through serial port. now i want to match this single data with one field of database. how can i do it. plz help me. i have attached my code. Public Class Form1 Private Sub …  |
| | Below is my code for one of form load. I have multiple databind controls so I have multiple lines of code that fills my datagrids and databind combobox. The problem is when I debug step by step, my application performs 3 lines of codes but rest of them are skipped. … |
| | Hi There, I am trying to get the Sum values of a Column and want to check if entered value in Textbox is valid. Here is my code below [CODE]mystr = ("Provider=Microsoft.JET.OLEDB.4.0;" & _ "Data Source=K:\Amrut Diary\Amrut_Diary\ADDB.mdb") con = New OleDb.OleDbConnection(mystr) con.Open() strsql = "SELECT SUM(Available_Stock) As Avstk FROM STOCKDB …  |
| | Hi,I'm currently using vb8. i need help in coding. How can I increment a number in a textbox everytime when the form is loaded? I want that first time when the form gets loaded Company_id should appear in the textbox as NEW010101. Second time it should appear as NEW010102. Third …  |
| | hiya, What i am trying to do is save text from a number of text boxes to a user named file then subsequently be able to reload the data back into the same text boxes at a later date. so far i have this which was provided for elsewhere on … |
| | hi, So heres the deal i am still learning VB (bet you guessed that), now what i am tryiing to do is create a form with a number of text boxes (say 25) where a user can enter their own data. Which they can then save as a file and …  |
| | Hey guys, Im trying to include an item called "Please select ..." in a combobox which is populated using a dataadapter. As you can see below, combobox items are inserted into the item list using a tableadapter. It is followed by a set of codes that inserts "Please select ..." … |
| | I have a csv file that needs to be imported into sql server using vb.net. I got it working with the following code with one exception: [code] Private Function ImportLeadFile(ByVal projectfile As String, ByVal sLeadFile As String, ByVal DATABASE As String) As Boolean Dim objConn As nsSqlClient.SqlConnection Dim ds As … |
| | Does anyone know some general tips for the exception ConfigurationErrorsException: Unable to open configSourceFile AppSettings.config ? Everytime the code tries to run through a line which contains My.Settings.Environment for example, it throws this error. The red code is where the exception points to. Help Please! My app.config: [CODE] <?xml version="1.0" … |
| | Need help in increasing the size of my array. i have this code but i don't know which of these code does not increase the size of my array even though i increment it. This is the declarations: [CODE] Dim movieArray(0) As String Dim ratingArray(0) As String Dim i As … |
 | I am having difficulty with a SQL query in my project. I have 3 tables. T1: - Date - ID - Location_ID T2: - Location - Location_ID T3: - ID - Result From this I need the T1.Date and T3.Result based on Location in T2. So my I need a … |
| | Hi, currently I am creating a seat plan system. On my seat plan system, there are many workstations(around 150+ per floor). each workstation is define by a linklabel. when a user click on a particular workstation, a new form will appear. And that form will pop up to show who … |
| | Hiya, As the title suggest is there a way to clear multiple text boxes with a single command as opposed to : [code] textbox1.clear() textbox2.clear() . .. ... textbox3500.clear() [/code] hmm something like allthetextboxesonthisform.clear() lol if only it was that easy ;) thanks in advance |
| | i have some usercontrols in a dll and i need to use them on my other project i try to add reference method but its useless... icant see my controls on toolbox what should i do ? |
| | Hello anybody I am trying to update table to access database in vb.net after changing password. But I have a problem in update error as following [CODE] Dim dbCommmand As New System.Data.OleDb.OleDbCommand Dim DBConnection As New System.Data.OleDb.OleDbConnection DBConnection.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:\Users\thaeaye\Documents\Testing.mdb" dbCommmand.CommandType = CommandType.Text dbCommmand.Connection = DBConnection DBConnection.Open() dbCommmand.CommandText = … |
| | hi, I have problem with my sql query. when i used direct insert statement in 2 different table and sort out using select statement by combining these 2 table's it perfecly give's the output that i wanted but when i apply the same method to the real application its working … |
| | How do I go about writing facial recognition code for a program I'm designing? I'm using Visual Basic 2008 Express Edition and I need to implement facial recognition into my software.  |
| | can anyone help me on how to done w/ this for example i choose 9/1/2011 i want to get the previous date 8/31/2011. help me please. |
| | What I need: I have a WPF/Vb.net application and need to delay a section of code from running, otherwise is keeps running.. I'd like to delay this section of code for 3 seconds. Problem: I am working with a scale and printer and when a weight item is placed on … |
| | Yay guys, it's me again. I am using the code from here: [url]http://www.daniweb.com/software-development/vbnet/code/370426[/url] to sort my listview items. But I want something more 'dynamic': when I click on a header column, I want that it changes the sorting based on the column that has been clicked. here is my code: … |
| | This is part of the last coding that codeorder helped me with. I didn't include this in the last post because I thought this was something that I was going to be able to do. Unfortunately, it is not working properly. In addition to the controls being removed, the control … |
| | Is there a way to work the web browser control for viewing off-line (Cached web pages) only? Is it possible to view cached web pages from IE9 on a web browser control off-line? The reason i am asking this question is because IE9 automatically switches from off-line mode to on-line … |
The End.