20,899 Topics
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| | Hi everyone, how can I send data from one application to another. Something like a chat. I have 2 applications opened and then I want to send some data, for example label1.text, to the other opened application and then for example show it with a MSGBOX. Do I nees a …  |
| | hi everyone, how can I read the html code from a certain web page opened with some browser. For example I have firefox with 2 opened tabs and then I want to read both html code until I can find some tags inside those opened web pages. thanks.  |
| | I want to filter my datagrid view in my winform with a date range. I have 2 label with StartingDate(lblStart) and EndingDate(lblEnd) which is called from the datepicker on another form. Filter = "(DATE >= '" + Convert.ToDateTime(lblStart.Text).ToString("dd/MM/yyyy") + "' and DATE <= '" + Convert.ToDateTime(lblEnd.Text).ToString("dd/MM/yyyy") + "')"; And this … |
| | Hi folks Im a newbie. I have a combobox cboTeachersName that is bound to deptTeachers table. At runtime, it contains teachers of given subject (Course). I then select a teacher and save in a field in another table called Summaries. PROBLEM IS When I load the form and load the … |
 | Hi I want to compare files of two folders according to date time and size of files.. These folders contain same no. of files with same name, but may have different size and date time. I want to put odd files in two list box for each folder showing there … |
| | I have two questions here. First of all, how do I enable selection of multiple listbox items and select them via code? Secondly, how do I prevent the user from selecting multiple lines? Now, for some background and my thoughts. I'm working on a project for computer science in which …  |
 | Sample 1: Private Sub Get_URL() Dim AddressText As String = HttpContext.Current.Request.Url.AbsoluteUri.ToString ComboBox1.Text = AddressText End Sub Sample 2: Private Sub Get_URL() Dim AddressText As String = CType(TabControl1.SelectedTab.Controls.Item(0), WebBrowser)Url.ToString ComboBox1.Text = AddressText End Sub Neither of them successfully displayed a URL in my ComboBox. Any Help? Thanks. |
| | I have a access database from where I am populating the datagridview on button click event. but what I exactly I want to add record of access database in datagridview when button is clicked. Means on 1st click 1 record should be add in datagridview, on 2nd click another record …  |
| | I have an email programme that works sometimes, but mostly comes up with a general Mapi failure. I am at a loss as to the reason, but it may be a good idea to not use the mapi controls anymore if it is going to cause errors. I have looked … |
| | Hellow, I'm an intermediate VB.Net programmer and I need assistant to get a project done. I have a request as follows. 1. Confirm that source files exist (the text files) Obtain value of field, Location in File_Locations table where code = 'TEST'. If the source files don't exists in this …  |
| | What is an Assembly in VB.NET? And what are the advantage of Assembly?  |
| | I need some help with this one. i have a few code samples I have found on the internet, however, when I attempt to use them I get errors, and nothing really works. What I'm trying to do is get the text of a message box, and the contents of … |
| | Dear Friends i made a applicatoin where i need a variable value which will enter by after 1st installation... Infact it is a uploading to ftp application with a single click. but the file name is not constant for all all locatins. So i want i will enter it in … |
| | Hi all I have a Mdi Child Fom being oppened from the parent the form opens but the Load event will not fire UP. Doesn't the load event suppose to fire up every time the form is opened? Here isthe code usedto open the form from the Parent and also … |
 | This module is for validating textboxes.... After using this module in your project you can simply validate all of your text boxes like [CODE] Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load AssignValidation(Me.TextBox1, ValidationType.Only_Digits) AssignValidation(Me.TextBox2, ValidationType.Only_Characters) AssignValidation(Me.TextBox3, ValidationType.No_Blank) AssignValidation(Me.TextBox4, ValidationType.Only_Email) End Sub [/CODE] |
| | Hi, Anyone of you know hot to get item when user click on item in the listview. I want the data in listview display in the text box, can anyone give me some advice on this? The following code is my coding at Form_Load():- Private Sub Form3_Load(ByVal sender As System.Object, … |
| | Hi, Can someone guide me on how to call the public property from web services. i got error *Server was unable to process request. ---> Object reference not set to an instance of an object.* Below is WS public property Public Property LoginID() As String Get Return Me.loginIDField End Get … |
 | Greeting, Can somebody help me with this code i don't know what is the problem here Dim str As String = "SELECT DISTINCT FirstName,LastName FROM SessionMembers ORDER by FirstName, LastName asc" Dim cmdStr As New SqlCommand(str, con) Dim dtreader As SqlDataReader = cmdStr.ExecuteReader() While dtreader.Read stringCols.AddRange(New String() {dtreader(0).ToString}) stringCols2.AddRange(New String() …  |
| | I am currently creating a game. Everything in this game works great. To reset the highscores you click on a button and an input box pops up asking for your admin number. If the number is entered correctly the text files containing the highscores are deleted and blank ones replace … |
| | Greetings guys can you help me with this one, i want to validate if the username is already taken or not yet but i don't have a clue on how to do it. i tried this code dtCustomer.Rows.Count > 0 but it didn't work @_@.. please guys i really need … |
 | hi everyone i want learn vp.net i don't have any idea i want website learn me from the beginning like w3school thank u for helping me |
 | Hai All, I have made a desktop application in Visual studio 2010( vb.net) with sql server 2008 as backend.I have made the setup of the project ,with sql database to be created using installer class and its all working well and fine. but i want to make my application in …  |
 | hello, can u help cuz some of sample codes of digital persona sdk is not working when im using digital persona 4000 in win7, do i need to change on its codes ? and how it will be saved to sql database? |
 | Can someone give codes for printing and others related to it. Like print preview etc... Thanks! :D |
| | Today, I had a new project dropped on my desk and was informed that by the end of the week, I need to have exported the entire payroll into a new format. it exports to csv, which is then imported into access, and needs to be exported into a csv … |
 | hey all please help me about my graduation project i use this code to insert data on the table and i have no error,but nothing will save on the table..so please help me know why !! thank on advance.. -------------------------------- Imports System.Data.SqlClient Public Class Form1 Private Sub Button1_Click(ByVal sender As … |
| | hi, can u h help me, i have different forms and from form1 another form2 will show and the form1 will become inactive to use and become blurred, and when the form2 closed or hide the form1 will become active again. also can i add an animated pictures to a … |
| | Recently, I have been working on games in my programming class. In this class I am farther ahead then most other students, and so, must rely on the internet for help instead of my teacher. I have been working on a highscore counter between runs that I should be able … |
| | Hi! I'm creating a system right now. My boss told me create an installer for the system. But I don't know how? Can someone help me?! Thanks! God bless! :D  |
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 | hello, my appreciating, if you give example code in my problem i have 1 file csv with dilimited only column A example column a name | address | phone | birthofdate deby | jersey | 123456 | 01-March-1990 my case is I want to convert to txt with delimited | … |
| | Hi am writing a program and want to incorperate expiration date of say 30days after which the user can not use the system until he has purchase full version. thank you  |
| | Hi DW We want to run an experiment in our lab on ATM, we just want to keep it simple and easy, So far I've just created the two forms and since I've discorvered that most of the ATM's are running a Windows OS which I saw it in one … |
 | hello guys.. my problem is im gonna use my program into another computer but the sql server is on my laptop.. then i copy my program into another computer then I start debugging but there some of error.. this is my coonection string... conn.ConnectionString = "Data Source=192.168.1.34,1433;Initial Catalog=MyDatabase;Integrated Security=True" in …  |
 | I want to get the total sum of the amount column. How can I display the total sum to the textbox total? Any possible way to do it? Please help. Thanks! |
| | Sub all() connection() Dim see = "Select * from info where Last Name = '" & txtLast.Text & "' and First Name = '" & txtFirst.Text & "'" dcom = New OleDbCommand(see, dcon) dcom.ExecuteScalar() If dcom.ExecuteScalar > 0 Then Dim gather = "Select * from info where Last Name = … |
 | Hi group, If you've seen my posts before on SQL Server stuff you know I'm a "raw rookie" with this. Again, I need some help. I'm going to need SQL to create an order number for me. I've created a datatable with two fields: OrderNoID (key) and OrderNumber. I've already … |
| | Using Access, in one table, I have Social Security numbers and earnings/tax records, and in the other table I have Social's and emp id's. I'm trying to get an output to a tablegridview, and using the following query line. SELECT AcctNum,SUI,SDI,FICA,Medicare,State,Fed,TotWages FROM tblEarnings INNER JOIN tblPersonel On tblEarnings.SS=tblPersonel.SS I've been …  |
| | I have a windows form that has 4 comboboxes inside. These 4 boxes are linked, in that when the first box receives user selected data, the second box populates. When the second box receives user selected data, the third box populates. At least that is how I want this to … |
| | I need some way to save and read a file using a DataGridView. Databases are out of the question, because I'm going for something template-style. And the user will probably make lots of templates. I tried saving/reading from/into XML, but I got lost. Thanks. |
 | Hi All I am creating a Movie Database in visual basic 2008, i have creatd my database in access, and now wish to use to VB to add and modify my database. I have a field in my acess database, set as an OLE field where i have stored images … |
| | I'm trying to add in data validation for my program so it doesnt die when a user input the wrong type of data. eg. My program collects numbers and stores them against the selected name but if i input say fish instead of 2000 in the textbox my program dies. … |
| | I'm writing a code to build a advance calculator, I got everything BESIDES putting a message error that says: "Cannot divide by zero." in the dividebutton I just have a really hard time coding a message error... Thanks! |
| | Hi Group! I suppose this should be titled, "Everything You Wanted to Know about ListViews, but were Afraid to Ask". Here are my questions(s): I've used ListView with "Details". This has been great when getting smaller bits of information to easily display and edit. However I'd like to use it …  |
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| | anyone know about viewing an item from database but you only need to view is for ex. Name|Address| Juan|Juan Luna Benita St.| thats the table and item in your database NOW you want to see it from your dataGridview but the 9 letters only... ex. DataGridView1 Name|Address| Juan|Juan Luna| thats … |
| | I have a datagridview and I want to print my datagrid but the problem is I want to remove the horizontal line of the table. How can I do it? Here is my code Module DataGridViewPrinter Public DataGridViewToPrint As New DataGridView Public DefaultPageSettings As PageSettings = New PageSettings() Public WithEvents … |
| | Guys, need some help this is my code Select * Table1 ORDER BY Date DESC My problem is I code in descending order but its not descending order because I try to add a Data instead of 5/6/2013 is the first item that i will see. 1/1/2012 can be appear. … |
| | Well at this point I think it's safe to say coding is not my thing, have another problem I am working on, have the code close to correct I believe, problem, when one of the radio buttons is selected, there should be another groupbox that shows (depending on which radio … |
| | hello guys, This is my problem for example. My program is on my computer the image location of my picture is on my computer then i want to debug my program into other computer but the picture is not appear because the location path is changed this is my code … |
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