20,899 Topics
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| | I want to convert my project into application........ But my program is working with the help of SQL Server through LAN.. I converted it as application software.. And It works well in my system only.. If i install and run it in some other system which doesn't have SQL Server,.Net … |
 | I want my application to be able to print details from the databse. I hava a report already in the program but it displays the list off all persons in the database. I want to create a form where i can use a query and the result of the query … |
| | Hi everyone! I want to design a biometrics system. already, i've got it working to an extent. i can now save individual details with their images and thumbprints but i want to do a validation on the thumprints so no one person can be registered twice. thanks |
| | i m creating project in vb.net i m facing problem with related tables how the data will insert in muliple tables. and correct data are displaying in text boxes from multiple tables can any body help me plz..... [code] con = New OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=D:\Lecture'sManagement\Lecture'sManagementSystem\LectureManagement.mdb;Persist Security Info=True") da = New OleDbDataAdapter("select … |
| | Hi. . . i got this code in visual c3 and i want to code it in visual basic. . .somebody help me please in doing it. . . [code] byte* p = (byte*)(void*)Scan0; int nOffset = stride - b.Width * 3; for (int y = 0; y < b.Height; … |
| | Hi! Can someone tell me on how could I display the data from my SQL to a ListView? I only have one column to display. Thank you very much and God Bless! :) |
| | I'm wanting to compile my project to a single exe so that I can add it to a flash drive and be able to run the program without having to install anything. Does anyone know how to do this? |
| | I have been googling all day today and I've been trying to find some small, i know it won't be small, amount of code that will allow me to skin my VB.NET project. I don't want to do much to it as far as skinning. If you google GeekSquad MRI, … |
| | Hi i know the title seems a little bit confusing, let me explain. Let say i have 10 properties of bindingsource. The names are: bindingsource1, bindingsource2, bindingsource3, ....., bindingsource10 i want to develop a code using loop for these properties.. For i = 1 to 10 bindingsource[COLOR="red"]i[/COLOR] Next i Is … |
| | Having an issue switching a listview from Tile to Details View with groups. When the list view has groups and the Default View is Tile, when changing the view to Details the first Group is not shown. Its under the column header. I jerry rigged it with creating a global … |
| | Hey guys! Its me again. I'm working with a SQLite database, and I want to list every entry inside a listbox (only the "Name" row). I know that I can list everything inside a DataGrid, but I don't want to list everything (: Also... sometimes, when you open a window … |
| | Relatively new to VB.NET coding. Am creating a pretty simple console application that needs to insert over 50,000 records into an Oracle table (OleDB connection). I tried 3 different methods so far: Individual INSERT, insert using a dataset, & using INSERT ALL (commit every 25 records due to # of … |
| | I have a routine that is supposed to grab all email addresses within a certain group. The email address list can be well over 1000 emails. When emailing it out though I can only send around 150 emails at a time. So what I i've done is executed a query … |
| | Hi I need to create an application that converts an image to an icon. This is for a school project, and I know there are libraries in VB that do image conversion, however I have to make the conversion process myself. My first task is to convert an JPEG into … |
| | If I wanted to call the RUN prompt and the Command prompt in my application, what exe's would I need to reference?  |
| | I have a form that shows users data from a sql query. What I want to be able to do is when users make a change, they press a save button, the edited/changed data is saved to a new table and then the window is closed. I've looked for several … |
| | i am trying to find a code that will do a search and find the ip address of any printer on the network with a ip address? Please help thank you |
| | i have a a form that has: textbox1 = registration name textbox2 = network folder path textbox3 = local user name textbox4 = password i need a button that will send all of this information to a webpage with a single click of a button. The section where this information … |
| | Hello, I am using a code to generate an id for a table.But it is giving 'Conversion from type dbnull to type integer is not valid' exception. Now I know that this is due to the table being an empty set.But it works properly if there is already a row … |
| | Hello! friends.... Well this is not included in the project iam making .. but iwas thinking to decorate my project with some of these... Well i was thinking of making a picture box with image which will show it automatically i mean select image automatically in the described folder.. n … |
| | i m creating one project in vb.net i m taking database msaccess. i m able to insert update delete when i m taking single table.but i m facing problem with multiple tables which is related to each other how to define the relationship between tables in dataset and how to …  |
| | This is such a basic question, I'm almost embarassed to ask it. How do I loop through seleted rows in a DataGridView and remove the rows? I've tried this, but it doesn't work. After one row is removed, the index is all screwed up... [CODE] iIndex = dgvRecipe.Rows.GetNextRow(-1, DataGridViewElementStates.Selected) While … |
 | Hello! I'm still on my long run of selfteaching... My current problem is this: I have a form and I have in it three textboxes, 1 button and 1 datagridview; I also have an access database. I can retrieve the data from the dtabase and add it to the datagridview. … |
| | I'm using Datagridview in Windows application in C#. I've bound the datagridview with a table.Now on run time when the user inserts new row and presses up or down button,that row should automatically be inserted into database and if its not a new row then nothing should happen. Some1 suggested … |
| | Hi, How the content of richtextbox set vertically align. I am displaying the Question and answer in Richtextbox in some question or option the content contain the math type equation or image in that case the equation showing in top align while the option showing below . I am attaching … |
| | I am using this code to to generate a crystal report from aa sql string that i construct using a supplied table name and some column names in txtSQL.This code contains functionality to export to ms word.However when the save dialog comes up and the user enters the intended filename.and … |
| | Hi, I am developing an windows application in vb.net. in this project i want to set the Richtextbox height according to the content in that richtextbox. For this i want to call the Richtextbox textchanged event on button click Here is my code but i got error on button click … |
| | Hey, I'm trying to make it so when my program is started, a text box ("log") automatically says: "Placeholder1" *1 sec delay "Placeholder2" *1 sec delay "Placeholder3" I have set the text box to say "Placeholder1" using properties but I am having problems coding the rest. I know this may …  |
| | Hi, I'm making a simple utility for browsing an intra-net site using VB.net webbrowser and for reasons outside my control, everything requires a passcode to be accessed. So, for example, [CODE]Index.html[/CODE] is blocked by the company server but [CODE]Index.html?pass=123456[/CODE] is allowed. Is there a way to get the web browser … |
| | I am new to Visual Basic I'm a student and im working on a payroll calculator program I got it to where it will display user input now i have to get it to calculate pay based on which radio button is selected im doing this one at a time …  |
| | [CODE]Public Class Form1 Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load WebBrowser1.Navigate("http://examplesite.com/") End Sub Private Sub WebBrowser1_DocumentCompleted(ByVal sender As System.Object, ByVal e As System.Windows.Forms.WebBrowserDocumentCompletedEventArgs) Handles WebBrowser1.DocumentCompleted getItems(WebBrowser1.Document.Body.InnerHtml.Split(vbCrLf),) End Sub Private Sub getItems(ByVal arLines() As String, ByVal selectedListBox As ListBox) selectedListBox.Items.Clear() '// Clear in case the webpage … |
| | Hey, so I'm creating a program that creates a SHA512 hash. I have a problem though. I try to encrypt the word 'test' and I get this encrypted hash as: ?&??J??I???? ???a??w.G????? ?z???????O????{72??_???oW? Which isn't a SHA512 hash. Here is my code so far, maybe you can help me. [CODE=VB.Net] … |
 | Hello everyone, My company uses control numbers to keep track of all of our inventory for every product that is entered into our warehouse. (ex. G123456789, T987654321) 1st Alphabet followed by 9 digits of numbers. Most of the time, these control numbers are scanned into the system by using a … |
| | WHAT I WANT FROM THE FOLLOWING CODE IS THAT IF CONNECTION IS OPEN THEN SWITCH USER TO LOGIN FORM IF CONNECTION IS FAIL TO OPEN THEN SEND USER TO CONFIGURATION FORM WHERE THE NEW PATH FOR DATABASE CAN BE DEFINED. IN THE FOLLWING CODE IF I REMOVE THE DATABASE FROM … |
| | Hi to any an d all that read this thread. I have a VB.NET App that creates forms from a template. I am having problems getting them to communicate with each other. Is it possible to send data from one textbox in the first instance to the same textbox in … |
| | How to make the form size automatic setting the size equals to the screen. or Maximize the whole form including the form components.  |
| | Hi I Have a form that contains around 30 Labels and 30 Pictureboxes. I have a piece of code that on form load that steps through the labels and changes the text to a file name from a directory. This all works fairly well however: I need to be able … |
| | Dear Freinds I want that when i save combobox value it take starting two characters only from textbox and save it |
 | Hello all. I've had many problems solved for me by daniweb users without ever even joining. Now, though, I've run into a problem that I can't seem to solve. It feels like a very stupid problem that will probably have an easy answer, but alas I have not found it … |
| | I'm working on a project in vb.net 2010 that has 3 RichTextBoxes. Two of the RichTextBoxes can be loaded with text from text files. How do I take the multiple lines of text from each RichTextBox and combine them into the 3rd RichTextBox. For example, if 2 of the RichTextBoxes … |
| | This is the code I have to validate control number that we use to keep track of our inventory. However, I dont know much about Access so I have written and tested this function in VB.Net on Visual Studio. Now, I need to convert my code so it work in …  |
| | Ihave been working on database but Though iam able to create But Cannot Write in data base.. [CODE] Dim ADOXcatalog As New ADOX.Catalog Dim ADOXtable As New ADOX.Table Dim ADOXindex As New ADOX.Index On Error GoTo errhandler ADOXcatalog.Create("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & "c:\info.mdb") On Error Resume Next ADOXcatalog.ActiveConnection = _ "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" … |
| | Hello! Is there Any way to Attach Files ... Like A button on form Which When Clicked open a dialog to select Word Files from computer then it Uploads to the Server or Attach it to Database so that It can be viewd after form fill up Is completed!... |
 | I have a Crystal Report that shows images using a SQL Database with the image paths When viewing the images in a report everything is fine untill you get to a page in the report when the error pops up [B](Request could not be submitted for background processing)[/B]. The image … |
| | Hi, in my project I need to allow the user (admin user) to have the ability to run custom queries on the database. Ive done this pretty simply whwer the user enters their query and the reults are set to a datagridview. It would also be great however to allow … |
| | This filtering concerns of mine have been bothering me. I hope you guys will not get irritated because I have another one. My client wants that my table be filtered based on the values from a field regardless of its order. Example: I want to search for a student whose … |
| | Hi I dont have a huge wealth of experince with SQL statements and im struggling; i have two tables table one holds employee data table two holds payent histroy for employee so essentially a 1 to many relationship I would like to list all of the job titles(for which there … |
| | Hello. Sorry if you find this not interesting. My project is to create a cash register for a cafe. It has the features like in the pic. It also has a record sales staff can see in datagrid view. The table can be filtered to find specific item. It also … |
| | Good day everyone! I have a problem with the filtering part of my application. I am already using this code; Tablebindingsource.filter = "Prereq Like '" & textbox.text & "%'" it searches for values from Table whose Prereq value = textbox.text. My concern is, how about if there are several items … |
| | Hopefully someone searches this one day and it becomes useful. I never found anything. Below is the vb syntax for combining numbers in the same memory address. [code] Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click Dim LngWord As Long = LngMakeWord(Integer.MaxValue, 65489) Dim LoLng As … |
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