20,899 Topics
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| | Hello guys I have got a little programme that been written in Python, I did connect it to an application been created in Visual Basic 2010, But to run the Python file, Of course you will need to install the Python software/Format to be able to run the python file, … |
| | Private Sub chktop_Click(Index As Integer) 'read toppings PizzaTop = chktop(Index).Caption End Sub Private Sub cmdBuild_Click() 'message box Dim message As String Dim message2 As String Dim I As Integer Dim b As Double Dim e As Double Dim PizzaSize As String Dim PizzaCrust As String Dim PizzaWhere As String If …  |
| | I want to send the message from my PC to my mobile usnig vb.net...... please help me.... it's urgent...... and if possible please provide the code.... thank you for your help in advance.... :) |
| | Hi all! I have a table with (StudentID,Physics,Chemistry,Total,Average) I want to pull values of Physics,Chemistry and calculate Total and then Average for a specific StudentID. With the following code: "SELECT SUM (IIF(ISNULL([Physics]),0,[Physics])) As Phy, SUM (IIF(ISNULL([Chemistry]),0,[Chemistry])) As Chem, SUM([Physics])+Sum([Chemistry]) as Total FROM tblForm1 WHERE StudentID = '" & Trim(Me.txtSearch.Text) & … |
 | I want to display datatable result in a label. I have something like this : PLEASE TAKE ACTION FOR LINE **LABEL** But i want the result to be like this: PLEASE TAKE ACTION FOR LINE **Z3, Z5, Z8** I try to use loop but still cant get the result that … |
| | I want to perform an UPDATE query but i'm getting this error:  This is my Sub in vb.net: Public Sub changeStatus() Dim Sqlstr As String Dim connectionString As String = "server=xxxx;uid=xxxx;pwd=xxxx;database=xxxx" Dim strtTime As String Dim endTime As String strtTime = DateTime.Today.ToString("yyyy/MM/dd") & " " & "06:15:00" endTime … |
| | Hello everyone In my app i'm using the counter and timer, But im stuck with resetting the counter My code is: If Timer2.Enabled = True Then counter = counter + 1 Label1.Text = counter If Label1.Text = "180" Then Timer2.Enabled = false Timer3.Enabled = true End If End If End … |
| | Hello, I need a code that will check if a certain text exist. This is how it's now: If TextBox2.Text = ".sys\clock" Then TextBox1.Text = TextBox1.Text + Environment.NewLine + ("It's") + DateTime.Now End If and I want to make something like this If TextBox2.Text = ".sys\clock" Then TextBox1.Text = TextBox1.Text … |
 | Hello Community, I was wondering if there is a way to make a program that will copy text from an excel spreatsheet and place it in another using visualbasic.net not vba? Please Help |
| | Hello , i was kinda getting interested in a keylogger so can anyone maybe copy paste a keylogger code just an easy 1 . If you type something it just has to appear in a textbox if you can help me , please do it! thx  |
 | hi it 's working but the Grid view not disp.lay the details Dim cn As OleDbConnection = New OleDbConnection("Provider=Microsoft.Jet.Oledb.4.0;" & "Data Source=D:\Task_one_one\TaskNew\TaskNew\App_Data\db1.mdb") cn.Open() Try Dim myTable As DataTable = New DataTable("MyTable") 'Dim ds As DataSet = New DataSet myTable.Columns.Add(New DataColumn("Emp Id")) myTable.Columns.Add(New DataColumn("Start Time")) myTable.Columns.Add(New DataColumn("End Time")) myTable.Columns.Add(New DataColumn("Hours")) myTable.Columns.Add(New … |
| | can i make an operating system with vb.net ? |
 | * Hey ppl! i was wondering if anyone could get me started with a project in VB.NET 10. the project i wanna create is a program lik outlook 2010. its prob a long shot but i want it to be in *COMPLETELY* VB. i have VS 10 .net and u … |
| | I am currently working on a program for a higher or lower card game. I have my game set up and in place, however I am having trouble keeping track of the cards that have already been drawn from the deck. I am only playing with one deck and need … |
| | Hello Community, I was wondering if there is a way to replace a cell value from one excel spreadsheet and save it as another spreadsheet but with the replaced cell value. Please Help |
| | Hi all Im trying to send integer value from combobox in form 1 to textbox in form 2 I try use this code on form2 : me.textbox.text = form1.combobox.selectedvalue This code works with a textbox **does not have a data source** but when I **set** the data source for the … |
| | For a project i have to create a program that is able to write and read a sequential file and list the contents into textboxes. So far i am able to write to the file but the problem is i am not able to retrive/read the information from the file. …  |
| | i have textbox in my form and i want it take only numbers from 1 to 12 only and not any thong else...i am trying but iam not getting the logic for it |
| | How do i make a label display if the textbox value that was entered is invalid? This is my code so far and when i press the button to find the invaild source the label is suppose to appear but nothing is happening when i click the button. Private Sub … |
| | I'm trying to switch "M" to "Mr." and "F" to "Ms." when the last name is selected in the listbox. When I clicked on the first name it worked, but when I clicked on anyother name, I got this error message: --Additional information: Index was outside the bounds of the … |
 | Hi All, On my form I have a datagrid. From this form I initialise a new instance of my data access class and using a dataadapter I return a datatable from my sql server database. The datatable is then set as the datasource for my binding source and intrurn the …  |
| | So far i have a code that only allows you to enter numbers but how do i limit the value from 0 - 9999. Also how would i be able to display a message label if the user is doing something illegal. Right now i have the messagebox setup but … |
| | I found a tutorial online that so far has been aswesome. I downloaded the access db and so far can read and browse through it. However, when I try to write back to it (btnSubmit_Click), nothing happens. All other buttons work fine, I can still browse, and I get absolutely …  |
| | I am trying to print all the contents of a combobox in a program. For example: ComboBox1 Contents: Yes No Maybe No opinion My code so far for PrintDocument1: Private Sub PrintDocument1_PrintPage(ByVal sender As System.Object, ByVal e As System.Drawing.Printing.PrintPageEventArgs) Handles PrintDocument1.PrintPage Dim horizontalPrintPosition As Single Dim verticalPrintPosition As Single Dim …  |
| | I have the following code which prints my datagrid nicely. The problem is that it only prints the first page and cuts off everything thereafter. I know I need to implement the e.HasMorePages = True in some manner but I am unable to get that working. Here is my code: … |
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| | Hi, All, I am running out of options and I can't fix it. I am loading a form with webbrowser control which loads a java applet in another form, it is working but I can't type in the textbox, what am I doing wrong. Attached is the project solution, hope … |
| | I have an app that fails because mscorlib is not installed from Net Framework 2 SP2 Without it, I get the following error: Could not load type 'System.DateTimeOffset' from assembly 'mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089'. The error can not be trapped in the runtime of the application, it appears when app … |
| | Hello all, First time poster here. I'm creating a website for class that essentially lets people register with a user name and password. Whenever they're logged in they will have the opportunity to go to a page called SubmitStory.aspx where there will be a textbox, lets say it's just called …  |
| | Why do I get an error creating a temporary table with something even as simple as this:"CREATE TABLE #Results"? But this "CREATE TABLE Results" works. I thought we put # when we need to create temporary tables (Access), its like I've once done that. Help on that please? Thanks! |
| | Hi, I'm updating an application to .net from VB 6.0. It uses crystal reports to display reports but we get issues around versioning and having to have the client install Crystal so we would prefer not to depend on Crystal. I was originally going to use an XMLReader object to … |
| | Hi there, I'm reading the contents of a text document and saving all of the values (csv) into an array. My issue is that the very first article in the document is always being saved with "" appended to the beginning. eg. Text document reads: Hello,Doctor,Name,Continue,Yesterday,Tomorrow When it is brought … |
| | How to create sound recorder to record from sound card. |
| | Hello friends, This is my first port so please bear with me. I am developing a simple software in Vb.net 2010. In this software you can add, edit, delete, print records. I have done everything except print option as I dont have any idea on how to do this. I …  |
| | Hi All, Is there any event to catch the column visibility change of datagridview? I am using a custom datagridview. I need to update the horizontal scrollbar maximum value whenever the column visibility is changed. Please provide some idea. Thank you. |
| | Dim odcell = OutgoingdeliveriesDataGridView1.Rows(e.RowIndex).Cells(e.ColumnIndex).Value.ToString() Using _conn As New MySqlConnection("Server = localhost; Username= root; Password =; Database = forms") Using cmd With cmd MsgBox("Connection Established") .Connection = _conn .Parameters.Clear() .CommandText = "SELECT FormName, Description FROM FormMaintenance WHERE FormCode = @Code" .Parameters.AddWithValue("@Code", odcell) _conn.Open() Dim dr As MySqlDataReader dr = cmd.ExecuteReader() If … |
 | I have two tables major and student majorname is the foreign key of Student table Student primary key=Reg_No I want to delete entire student record from student i used the coding like this........... Private Sub btnClear_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnClear.Click myConnection = New SqlConnection(connectionstring) myConnection.Open() … |
| | Hello guys, I am trying to dynamically update a combobox using mysql database, however I get the Error Catch Message. Any help would appriciated. Private Sub cmbName_DropDown(ByVal sender As Object, ByVal e As System.EventArgs) Handles cmbName.DropDown Try dbCon = New MySqlConnection("SERVER=localhost;DATABASE=test;") strQuery = "Select name from customer_details" cmbName.Items.Clear() If DR.HasRows … |
| | Hello as title says, i would like to see if it is possible somehow to write in vb.net simple application that check if port 80 is used by some application and if it is to show Error message that it is used by APPLICATION NAME and asking if you want … |
| | I used this code delete recods from table ............ in VBP is database name Sell-is a table name The DELETE statement conflicted with the REFERENCE constraint "FK_Sells_Product_Details". The conflict occurred in database "VBP", table "dbo.Sells", column 'P_Id'. The statement has been terminated. Dim check As Integer Dim cmdproduct As New … |
| | "SELECT * FROM table where column=" & Request.QueryString("querystringfeild") i want to add order by condition along with where condition. But i don't know how to write syntax please help me. thanks! |
| | in my work i get 03:00:00 as the total hours work..how can i make it in just 3? Dim TimeOutHours = TimeSpan.FromHours(Val(DateTime.Parse(TimeOfDay.ToString(Me.TimeOutTextBox.Text.Trim)).Hour)) Dim TimeInHours = TimeSpan.FromHours(Val(DateTime.Parse(TimeOfDay.ToString(Me.TimeInTextBox.Text.Trim)).Hour)) Dim TimeOutMins As Integer = (Val(DateTime.Parse(TimeOfDay.ToString(TimeOutTextBox.Text)).Minute)) Dim TimeInMins As Integer = (Val(DateTime.Parse(TimeOfDay.ToString(TimeInTextBox.Text)).Minute)) Dim mingreat As TimeSpan = TimeOutHours.Subtract(TimeInHours).Subtract(TimeSpan.FromHours(1)) Dim minless As TimeSpan = TimeOutHours.Subtract(TimeInHours) … |
 | Hi All, Got an issue that I know is quite common and read through lots of guides but cant see where I am going wrong. Got the code below which when form is loaded goes and grabs user from a table of usernames and puts them against a combo box … |
| | Here is what I am trying to do: From VB.net open a word template --- Done Populate it from a database ------Done Have word report back with the saved file name so as I can add it to the database history ----Not done. I know is has something to do … |
| | My Insert statement is not working for some reason and I cannot figure out why. Any help would be highly appriciated. Imports MySql.Data Imports MySql.Data.MySqlClient Public Class frmCreateUser Dim connectionstring As String Dim dbCon As MySqlConnection Dim strQuery As String = "" Dim SQLCmd As MySqlCommand Dim DR As MySqlDataReader … |
| | I'm working on a homework in which i need to create a Pizza order form. I've created the form along with the code but when i debug it, it gives me error. Errors below:(i've attached my code) C:\Users\Vasquez\Documents\Visual Studio 2005\Projects\Pizza Order\Pizza Order\Form1.vb(113) : error BC30451: Name 'txtSurname' is not declared. … |
| | hello, i'm doing a searching form, here is my code [CODE] Dim con As New OleDbConnection Dim cmd As New OleDbCommand Dim rd As OleDbDataReader con.ConnectionString = ("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=D:\Bengkel\Project\db.mdb") cmd.CommandText = "SELECT * from Book where authorName like '%" & textsearch.Text & "%'" cmd.Connection = con con.Open() rd = cmd.ExecuteReader … |
| | ok i need help with this code i more than triple checked the spelling so i dont know what is wrong anymore and i have checked that i inserted the right data also. This is my code i use to insert into my DB when i break it i get … |
| | hi, frnds i am making a project on Grading System of school and i am using vb.net 2010 as my front end and SqlExpress as my back end . i have a Marks_Table in my database in which user stores student marks info . i want to generate marksheet on … |
| | Can someone please show me how to get the Odd number using the For..Next loops in VB I have declared the following; Dim intCounter As Interger Dim intStartValue As Interger Dim intEndValue As Interger Dim intSum As Interger intStartValue = 0 intEndValue = 50 intSum = 0 Iam trying to … |
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