20,285 Topics
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| | I m making registration form for teachers in which teach ID is one coloum name i want message box error if id number already exist in side the table means uniqe ID e.g if id no 1 is already exist then 1 should not be added when next time user … |
| | Hello! Can someone tell me how to create an entrance examination. I have already have a quiz creator. The only problem I have is how to display the created questions one by one just like a computerized entrance exam from a single table. Thank you very much! God Bless. :) |
| | Hi guys! I am a newbie in VB.NET and am trying to create a cipher. In my program, before you can decrypt a string, you are prompted to enter a key. After you enter the correct c key,the string is decrypted. The problem is that the plaintext appears at the … |
 | Hi...Is it possible to get a list of running application in a remote pc through wireless or wired network?? i tried this code but i get an error [CODE]Dim ps As System.Diagnostics.Process For Each ps In System.Diagnostics.Process.GetProcesses(remote_pc_name) ListBox1.Items.Add(ps.ToString) Next[/CODE] error is "Can't connect to remote machine", i tried to access … |
| | i got a big project really big one and they need this new solution only because of peach tree, tally are not enough for doing their work. My program should be capable of bulk, multiple data transfer and usage at same time.[B]The real problem is their main program is created … |
| | hi i'm having a problem regarding sql deleteCommand.. can someone please help me solve this problem coz it takes a lot of time for me to figure it out.. here's my code [CODE] Private Sub btnDeleteBC_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnDeleteBC.Click If MessageBox.Show("Do you really want … |
| | I am taking my first class (online) in Visual Basic and we are using VB 2010. The assignment is to create a football calculator(see attached). I have attached the instructions that the teacher gave us and I think that I created the user interface okay but I don't understand about …  |
 | Hello Everyone, I have kind of a problem in a database well its suppose to save a date but like a string, well more like a char type, and i need it that way to do reports So there to tables Ventas and VentasDD so they have the same information … |
| | <li><a href="register.php" rel="nofollow">Register</a></li> Driving me nuts..I'm trying to create forum type software but I can't seem to figure out how to programmically click on this link Any ideas? Tried by id and by tag but there isn't one for this...what is the work around for this? Thanks |
| | Hey people! I'm creating a small project which consists of 36 textboxes and one button. When I click a textbox, it should open a open file dialog and, when OK, set the text of the textbox I've clicked to the file name. I've did this: [CODE]Public Class Form1 Private Sub … |
 | Hello! I'm a programming student and a newbie in forums. :) How can I search for a data in listview from fist form using my second form? For example, I entered 7 entries to my listview, and when I press "Search in listview" button, the second form will open. (My … |
| | Hi All Does Anyone know how to make a variable public to all forms within the application. Eg [ICODE] Public MyPath = "C:\" [/ICODE] can do for one form but not all |
| | I have this code : for downloading image from the web [CODE]PictureBox1.ImageLocation =""[/CODE] and i want to add Progress Bar if start download the image start the Progress Bar and when finished the download Progress Bar =100 |
| | hey..i'm developing an application..something like a custom desktop..now what i want to do is to disable alt-tab, ctrl-alt-del etc . i tried to set the registry value of "CoolSwitch" to disable alt tab, but i get an error..i think i need to run my application as admin to write in … |
| | I'm having trouble getting some data from a combobox. I have a series of comboboxes that populate as you make selections from the boxes. Each combobox is using data that is pulled from a SQL database into a dataset. This all works. When I get to the last box, I … |
| | hi guys... can you help me on my little program.. i still cant think a way to get my database from the datagrid in form2 and display it on form3.. my little program is like a schedule that you'll edit your students class hour,subject and teacher.. then after that when … |
| | Hello Guys, Please who can point me in the right direction with regards to auto generating a ruleset text string from a list of url's. I get a list of URL's in the format: example.com/firstplace/secondplace.jpg " " " " etc I would like to be able to read the url's … |
| | I have a DataGridView control and I want to know if the user has changed any data in the row when they leave one row and go to another row. Here's what I've done... In the Form Class I defined a Before and After row image as follows: Dim rwBefRow … |
| | hi, I' ve a small project with few forms. i want to design a menu a one form so that when user clicks on the menu item respective form loads in project. thanks |
| | Hi everyone, novice here. I'm having some major issues trying to figure out what's going wrong with my code. The general problem is that I can't get the foreign key in one of my child tables to populate the primary key from the parent table. I have a parent table … |
| | I have to create an application that will display all the odd and even numbers between the input values of number 1 and number 2. Display the output in a lstOdd and lstEven listbox. I have no clue I need help please? [CODE] Option Strict On Option Explicit On Public … |
| | I have a problem copying rows in a table. My code is: [CODE]Public Sub Ordreupdate() Dim conn2 As OleDbConnection conn2 = New OleDbConnection("Provider=Microsoft.ACE.OLEDB.12.0; Data Source =|Datadirectory|\Kalkyle1.mdb") Dim dtbl As New DataTable Dim dt As New DataTable dtbl = Kalkyle1DataSet.Tables("Ordre") dt = dtbl.Clone Dim copyRows1 As DataRow Dim copyRows() As DataRow … |
| | how can i save the changes done on the datagridview to the database?? |
| | I have the following code: [code] Imports System.Data.SqlClient Public Class Main Protected WithEvents DataGridView1 As DataGridView Dim instForm2 As New Exceptions Private Sub Button1_Click_1(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles startpayrollButton.Click Dim ssql As String = "select MAX(payrolldate) AS [payrolldate], " & _ "dateadd(dd, ((datediff(dd, '17530107', MAX(payrolldate))/7)*7)+7, '17530107') … |
| | Hi, I need help in numbering rows in datagrid. I have a column that should number 1,2,3 so on when adding a new row. When I delete a row, those numbers should re-number still to 1,2,3. So when I delete row 2, the row that's been added as 3 should … |
| | Hello Everyone Im having kind of trouble looking for this info, but i created a POS program that when i install it, it install under Local Settings\Apps\2.0\blabla So what i want to know if how can i make my system install like any other program, "Under Program Files/POSystem/" like so … |
| | hi all, I am using crystal report for displaying reports. I want to display group by customers in report that i am displaying using group by funtion but i also want subtotal of that group by customers. I want to display received amt date, received amt and balance amout between … |
| | I know that title was complicated, i wasnt really sure what to call it. Basically at the moment I have the code which opens values that are after words in a text file. [I](Thanks to Unhnd_Exception)[/I] I have a text file, which lists all the stocks of all the fruit … |
| | I am having to use a DATAGRID instead of DataGridView because I want to merge 2 datasets into 1 using a keyed field to tie the two together(the merge of datasets). ds1.Tables[0].TableName="Header" ds1.Tables[1].TableName="Detail" y = ds1.Tables("Header").Columns.Indexof(KeyPart2parmfield) z = ds1.Tables("Detail").Columns.Indexof(ConCatParm) table1Column = ds1.Tables("Header").Columns(y) table2Column = ds1.Tables("Detail").Columns(z) relation = *New DataRelation("Click for … |
| | Hey everyone! Im hoping to find someone that can help me with a problem that I cant seem to resolve and it's driving me crazy! Basically I am trying to create a child management system for a nurse using vb.net and SQL as my backend db The application consists of … |
| | Hi All, I have checkedlistbox on my windows form which is binded to datasource, I do check the items in checkedlistbox based on some criteria, When user uncheck some items I want to save the records, but in Checked Items collection still I’m getting items as checked, which are unchecked. … |
| | Hello, I'm new to vb.net. I have successfully run a simple sql query in vb.net and basically wanted to know how I can export the results from the query to a .txt file? All I really know is that I should be using StreamWriter. Does anyone have suggestions for sending, … |
| | ok... i know a lot of you are probably tired of me asking questions but i am trying to learn and i am asking about stuff i dont know, not just to get you to do the whole program for me. this question is if there is a list of … |
| | Is there a program where i can launch a website, click on a button or textfield and it will give me the getElementByID? I searched around for this and i have found nothing? Why doesn't this exist? I am writing a program that will enter information into a copiers web … |
| | Hi there, I am new to VB.Net, i have cracked my brain to figure out on how to use if else statements in form1 to call button.click from another class. Please help me! :( THANK YOU SO MUCH! I REALLY APPRECIATE IT! :) |
| | Hello, I'm a newbie in VB.Net. I'm creating an application using VB.Net. I have a loggin form which has a username and a password textboxes. I have the following code which is working, which I believe is actually validating the username and password. My hicccup now that I need help … |
| | I'm having some problems trying to input records into a relational database. The design is really simple but I'm running into a wall when it comes to having the foreign key from my child table autopopulate the primary key from the parent table. I've made the connections in Access and …  |
| | good evening everyone.. im a student and currently taking my thesis...im having a problem with creating a excel file with vb... the thing is I need to open the excel file inside the form in vb.net... Anyone please need help... |
| | I need a RegularExpression that can convert a string from a fraction or decimal like "1/2" or "0.5" to a decimal "0.5". It needs to handle both cases. Input can be either fractional or decimal, output must be decimal... |
| | in my application i show database table in a datagridview , now i want to modify and change some records and save this changes on database , how can i do this ? thanks  |
| | I have a form on my vb 6.0, i need to change the appearance. In the sense that, i can change its transparency or opacity of the way how the form looks. Is there any way possible i can do that ? |
| | can u help me about this . . . when i click the column header of datagrid it will sort automatically  |
| | Hey Guys, I am trying to create a little project for my college course. I have been trying in vain over the past few days to sort out some errors i have and alot of google pages have brought me here where i have gained alot of knowledge so i … |
| | [code] Private Sub btn_next_begining_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btn_next_begining.Click Dim rulesforclass As privileges rulesforclass.Show() End Sub [/code] Please help how Can I call privileges.vb from the btn_next_begining??????? |
| | Im trying to get a sales percentage program to work and im having trouble on the last part. My homework is to get the original price from the customer and then take the sales percentage off and show how much it is. Then after the first percentage is off take … |
| | Hello, I'm a newbie to VB.Net and I need an urgent help as I'm developing an application using the VB.Net. I have a form just like the login form in VB.Net. The usernames are prepopulated on a combobox with datas from the SQL DB backend, and the text box for … |
| | Please help me. What is a code how to convert dotted decimal to binary and vice versa. and small explanation |
| | I have a form set up and on that form is a DataGridView, on that DataGridView I would like to display all of a customer's transactions. I am having a problem where the debugger is throwing me a "Syntax error in JOIN operation." and I can't proceed. [CODE] ' Select … |
| | i am creating a program that will log into a copier's web interface and automatically enter information without the user seeing. I found a code that will log into yahoo mail and click the submit button WebBrowser1.Navigate(TextBox1.Text) WebBrowser1.Document.GetElementById("Admin").SetAttribute("value", TextBox3.Text) WebBrowser1.Document.GetElementById("PASS").SetAttribute("value", TextBox4.Text) WebBrowser1.Document.GetElementById(".submit").InvokeMember("click") this code does not work on the copiers … |
| | hi guys, i know how to write a code to display data from the database into a datagridview, and i know how to use text boxs for uplying chnages on the database and directly display them in the datagridview, but what i want is to be able to aply changes … |
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