20,899 Topics
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| | Hi I have code as follows which works nicely but it loads a bit slow. I would like to have a progress bar while the file loads my code is as follows With OpenFileDialog1 .Filter = "Text files (*.txt)|*.txt|" & "All files|*.*" .FileName = "" If .ShowDialog() = DialogResult.OK Then …  |
| | I'm having a problem updating records from my VB.Net application to the database (Access Database). I've tried all sorts of update technique and i keep getting either "syntax error in update statement" or "data mismatch in criteria expression". heres the code i'm using: Public Function save1stsemester() 'this code updates 1st … |
| | Public Module BackupRestoreModule ' save all db Public Function SaveDB(ByVal FileName As String) As Boolean Try ' create the stream writer object Dim FS As New System.IO.StreamWriter(FileName) ' open DB connection and start a transaction Dim Conn As New OleDb.OleDbConnection Dim Tmp As New LMS_DSTableAdapters.BookTableAdapter Conn.ConnectionString = Tmp.Connection.ConnectionString Conn.Open() Dim …  |
| | I have successfully published vb.net application.After publishing I get 1 folder that contains dll's,2 manifest file and 1 setup .exe file.When I have to install this in my client's PC,I have to copy all these files.Is it possible that If I copy only one manifest file,my application would run? Thanks … |
| | Hi, I am trying to insert values into my local SQL database. Here is my code: Imports System.Data.SqlServerCe Public Class AddSensor ' Shared variables Dim con As SqlCeConnection = New SqlCeConnection("Data Source=C:\Users\Bryan\documents\visual studio 2010\Projects\SiteSecure v1.1\SiteSecure v1.1\Database1.sdf") Dim cmd As SqlCeCommand Dim myDA As SqlCeDataAdapter Dim myDataSet As DataSet Dim oForm1 … |
 | I want to know **what are the prerequisites Softwares Needed to install on my pc to start vb.net 2008 and ms sql Standalone and Server Client Software Development**? I have P4 Processor, 4 GB Ram, 1 TB Hard Disk, Oprating System Windows XP Professional Service pack 3. Visual Studio 2008 …  |
| | Hi Guys I need to retrieve a value from the javascript below in my html code and inject this value into a webbrowser. how can I format and invoke this script ? $(function(){jQuery.liveviewWithTable({enableCountsTable:false,enableCountTable:true,countTableElement:$("#count"),directionIn:$.getParam("Counter.DirectionIn"),liveSumUrl:"/local/people-counter/.api?live-sum.json",loadingAnimationUrl:"/people-counter/images/ajax-loader.gif",dataTypes:["in","out"]})}); Thanks a lot |
 | Hello there, How to add items in combo box from mysql database? 'mySQL statement 'tryCatch method ComboBox1._______ = myReader.GetValue(myReader.GetOrdinal("Uname")) I'm trying use this: ComboBox1.items = myReader.GetValue(myReader.GetOrdinal("Uname")) but an error occured.  |
| | Hi guys, Do you have some sort of guidelines on how a user is notified that there's a new upgraded revision of the application (assembly information) or set-up files? The situation is like this, I have created a vb.net application and created a set-up file using VS2008. Now everytime I … |
| | Hi All, I have 2 data table in my application and want to create a new table from those 2 tables. Dim sql As String = "Select ID, DESC, QTY from Purchases Where PDate >= @StartDt and PDate <=@EndDt order by ID" Dim da As New OleDb.OleDbDataAdapter(Sql, Con.conn) da.selectCommand.Parameters.AddwithValue ("@StartDt", … |
| | As the title hopefully made clear...I want to restrict the access of a user data control so anonymous users (ones who havent registered with my site) can't access its contents. I read about restricting access to specific roles and I understand how it works for specific pages (forms) but I … |
 | Hello my fellow Daniwebers! I am having some problems wrapping my head around the task sorting a List(Of CustomType) I have a list containing a custom class. The class contains Two DateTime objects, Start and End. I am trying to sort the list descending so that the shortest timespan will … |
| | I am new to vb and trying to create a timer that will countdown for sets of time interval. I managed to display the countdown for enddate but I have no idea how to continue to enddate1 as soon as enddate finished. My code as follows: Public Class Form1 Dim … |
| | Hey, I have created one digit 7-segment screen in vb.net, which works fine, but I need several digits to show. How can I show the screen in multiple instances, which can be controlled separately? The form code is in attachments. Any suggestions appreciated! |
 | I have a LINQ function to get 3 things :: Line, Average of Duration and Count I have a problem to sort it based on Average Of Duration column. Here is my code: Dim group2 As IEnumerable(Of DataRow) = _ From row In Ds.Tables(0).AsEnumerable() _ Group row By LINENAME = … |
| | Hi All, I am having a stock report in my application. It has 4 Datagridview each one for OpeningStock, Purchase, Sales and ClosingStock. I am using vs2005 and access 2003 database. The report is based on from and to date basis. (i.e: if the user selects 2 dates, The opeining … |
| | hi, How to save the long format DateTimePicker in mysql? |
| | Hi, there people! I have a project I have to deliver but I am at loss on the relevant tech. to use although I am a predominantly vb.net guy. The VB.Net is the 2008 one. I am to deliver a software that would enable an internet cafe do these basic … |
 | I want to create an integer generating program where the user enters any number in TextBox1 and TextBox2 and presses the Generate button and in another textbox the integers shows up. REFER TO THE LINK to see what I mean. [Click Here](http://picturepush.com/public/11671143) |
 | When my program calls MsgBox it appears in the middle of the monitor. Anyone know how to move it somewhere within the boundries of my program's window?  |
| | Hi, How can i draw a horizontal line in my chart? Currently my chart look like below:  Before this i use below code to draw it but when i try to draw with this application (Y axis in datetime), it give me error like 'make sure not dividing … |
 | Hi Guys, just wondered if anyone knows how to change the focus from 1 textbox to another? i have 2 textboxes and a few buttons, what i am trying to do is select a textbox (either) then hit the button and the value from the button (i.e 1) will go … |
| | Hi! I want to be able to automatically select the first row in a listview then display the selected items in a text box. I've already done putting the data in the textbox by clicking the row, but i cannot do it automatically. any ideas? i would like to provide … |
| | Error: Cross-thread operation not valid: Control 'TextBox1' accessed from a thread other than the thread it was created on. After doing some research online I found when I add Control.CheckForIllegalCrossThreadCalls = False it works but I feel like that is not the proper way to handle this error. If anyone … |
 | Hello Community, I was wondering if there is a way to make a spark effect the follows a path using WPF. Please Help... |
| | Dear Friends, There are 2 form (form1,form2) and 2 dialogbox (dialogbox1,diologbox2) in my application. When application start at that time form 1 loaded, on form 1 when button-1 click, form2(as mdi parent) and dialogbox-1 (with textbox-1 and button-1 as mdichild) show. when button-1 on dialogbox-1 click dialog-2 (with textbox-1) show. … |
| | i am working on an application and i need to have an update feature, but when i try to refresh the contents of my datagridview to view the update ive made, the old and updated records kept on stacking. ive already tried the datagridview.datasource = nothing but nothing happened. this … |
| | hi guys ! i want to set a focus using backspace keyascii in a maskedtext box so that when i press backspace the focus moves to the other text box or maskedtextbox, but when i press backspace and maskedtextbox is empty with length "5" the focus donot move to the … |
 | # Have you ever tried using the String.Compare method for a case-insensitive string comparison? # The [documentation](http://msdn.microsoft.com/en-us/library/zkcaxw5y(v=vs.100).aspx) on MSDN for the overloaded method: 'Declaration Public Shared Function Compare ( _ strA As String, _ strB As String, _ ignoreCase As Boolean _ ) As Integer states `Compares two specified String …  |
 | Hi guys! Badly need your help. I'm working on a project in VB.net that will enable my application from sending SMS. I already have the code but I'm getting an error which is "The port 'COM15' does not exist." I've tried to search this error in google but it didn't … |
| | Hi there, I have been trying solve my error at this codes, it takes me too long. Code: Private Sub OK_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles OK.Click Dim conn As New MySqlConnection Dim myCommand As New MySqlCommand Dim comm As String Dim myconnstring As String Dim UserID … |
| | Hi, I have a Vb.Net solution that contains several forms that read/write to an MS Access database. My problem: When I copy my Vb.Net solution and Access database to a new computer, the data source connection string needs to be changed. Currently the data sources wizard sets the connection string. …  |
 | Hi guys need help again hope you can help me.. I have a database and i want to Compute all the Total Calls of my 2nd Column I wonder how can i do that? can you give me an example? I'm using Oledb Connection? Thanks in advance. |
| | PLEASE HELP !!!! I MAKEING A PROGRAM FOR MY SHOP........... BUT I DON'T NO HOW TO SAVE MY ALL SALES INVOICE MS ACCESS THANK YOU IN ADVANCE |
| | i am working on a POS as a school project. im having a problem in getting the stocks, which is a record in my database. this is what i need to do, i need to populate the combobox with drug names with suggests. when i choose a certain drug, its … |
| | Hi All, I have a Delivery report. In the report printing thru PrintReport function in vb.net I want to add a word at runtime (i.e: Original, Duplicate, Triplicate, etc.) I am using the following code to print the document. CrvDC.PrintReport() How can i achieve this. Please help me. Thanks in … |
| | This is my Exceptio on Run Time {"Could not load file or assembly 'file:///C:\\Program Files (x86)\\SAP BusinessObjects\\Crystal Reports for .NET Framework 4.0\\Common\\SAP BusinessObjects Enterprise XI 4.0\\win32_x86\\dotnet1\\crdb_adoplus.dll' or one of its dependencies. The system cannot find the file specified.":"file:///C:\\Program Files (x86)\\SAP BusinessObjects\\Crystal Reports for .NET Framework 4.0\\Common\\SAP BusinessObjects Enterprise XI 4.0\\win32_x86\\dotnet1\\crdb_adoplus.dll"} |
 | I want to get the relevant name of the product Id into a text box when I select the product id from the combobox myConnection = New SqlConnection(connectionstring) myConnection.Open() myCommand = New SqlCommand(" Select Name FROM [Product_Name_List] Where P_Id='" & ComboBox2.Text & "'", myConnection) Dim dr As SqlDataReader = myCommand.ExecuteReader … |
| | Hi All, I would like to thank this community for the enormous help to develop my skills. Thanks. I have 2 databases and a single report form and a crystal reportviewer. The User can select the database which he want to work (Each of them belongs to different warehouse) So … |
| | > **How to create an ftp server using a VB.net (uploading and transfering files)??? I need it asap!! send me a video or sample codes!! Unlimited Thank you! God Bless.....** |
| | Hi I'm using a simple insert statemnt in from two textfield into my database using this code Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click If (TextBox1.Text.Trim = "") Then MessageBox.Show("PLEASE DO NOT USE BLANK SPACES", "Data Entry Error") ElseIf (TextBox2.Text.Trim = "") Then MessageBox.Show("PLEASE DO … |
| | Hi First of all i would like to say is, i am a fresher to this vb.net.. having one project in hand. But as i dont know the code for using a datagridview i am asking your help. In my sqlserver table "EmployeeDetails" we have so many columns. In that … |
| | I found this example online and cannot figure out why it will not work. I was wondering if anyone could help me figure out why this code does not work ive spend a few hours tinkering with it and no luck. I learn best by example and just basically need … |
| | how to create a pop up form for each row in datagridview that holds detailed info about that particular row of a column ? I want a editable pop up form with two text boxes and sum of both text boxes in the selected cell of the column . i … |
| | Hi All, I have just started building a program that will allow a user to select a plant from a dropdown list and then click a button to view detail related to the selected plant in another form. I would like to be able to read from a sequential access … |
 | Hi! I want to know how to make my own file type. I allready have a program that i made but i want to create a file type that only this program can read. i want to name the file extension ".rttf", which stands for "Robot Talk Text File." ill … |
| | Hello all, I'm drawing a blank on how I should proceed with the final steps in completing my website. I guess to sum it up is I would essentially like to let the users be able to submit something that shows up on the home page and stays there (this …  |
| | Hi friends..... anybody heip me. how to convert vb.net project into exe file. |
| | **********************************please see the image first link given below********************************* I have made a crystal report to assign a database to it i created a module with following code and added this module to my form Imports System.Data.SqlClient Imports System.Data.Sql Module Module1 Public acscmd As New SqlCommand Public acsconn As New SqlConnection … |
 | Now then, It's not often I start a thread but I'm struggling to find the answer after a lot of tries on Google. The issue is that I have a "Profession" comboBoxCell as well as a "Discipline" comboBoxCell which is populated/ repopulated with a short list of disciplines dependent on …  |
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