[vb.net] Forum Topics

Is there class in visual basic.net 2010 can be used to get the values of gray image like color image?

hi all.... I ask if there is class in visual basic.net 2010 that i can use for get pixel in gray image as color class that i am using to get pixel in color image. please help me.

I have a table there in SQL SERVER 2000 which has five fields[date income amount expense amount]. Now user wants to input first date & last date there in form to show records ok? To show record by one paraemeter was easy for me & I did it by following …

hi all ... I want to apply sobel filter to gray scale image to detect the edge of the image using visual basic .net 2010 .The size of the image 639*427 please help me

i have a listview connecting to xampp,then i want the data of all listview can be add to my report using report viewer?how can i do that. pls help.. <snip>

Hi All, I'm writing an app that prints of batches of documents to clients for posting. The printer uses OMR to collate and fold the documents into envelopes automatically. The document inputs will either be Word or Adobe Acrobat. I have routines to print off each document type while adding …

Hi, I have to forms, second for is shown from the first form trough showdialog command. Both forms have datagridview User will select data from DGV in second form then pass all this data to DGV in first form How can I achieve it, I know how to do it …

I am creating a project in winforms in vb.net. My requirement is to update and delete records in SQL database with a button click event. My update coding updates the whole table instead of a particular database row.I have four columns in my table. Is there any coding way where …

i need to disable my combobox dropdown database values when another combobox value is clicked ...any help plss ...

Hello, As we know Windows has the feature that allows you to 'snap' windows to half the screen or the full screen. However, I was using some pre installed software (I think it was magnifier?) docked at the bottom of the screen and when I full screened a Window it …

Hi I've searched all over the internet for this but can't find anything useful. I have form which a user fills out and then inserts in access database. But I also have a field DateTime in my table which I want to automatically save the current date and time in …

i'am trying to create a setup file for my system where it has a database...can you help me???...i've tried to search it but it's only for mssql...

i am trying to start a form named login. i have changed my start up form in properties but different form start when i click debug. can you help me???

i want to update all this column in 1 execution. any reply is highly appreciated.. thanku UPDATE tblstoreitems SET price='499' WHERE TypeOrModel = 'A130'; UPDATE tblstoreitems SET price='599' WHERE TypeOrModel = 'A140'; UPDATE tblstoreitems SET price='1899' WHERE TypeOrModel = 'Alpha Style'; UPDATE tblstoreitems SET price='1699' WHERE TypeOrModel = 'Amethyst'; UPDATE …

Hello everyone, I need small help.. So I got working text file loading to listview, but if file is to big it get whole app stuck untill it load it out... So my question is, is it possible loading with background worker and progress bar? Here is my current source: …

Hi! I'm developing an application for hospital patients information. Now, as common for hospitals, I need to add a feature for various reports.Now I would like to know if you think Crystal Reports are a good option still. I would like to present many reports which a user will choose …

Hello Developers, I know nothing about how to make software. But I need a software. Anyonehelp me please.... I need a softwaer which will be able to download a pdf file from a server. that is - (http://indianvisaonline.gov.in/visa/). In this site there is a button (Print Register Application) If we …

Hi ive been trying to click a close button within a iframe within a webbrowser control.. my code works in WebBrowser.Document not Reading Outterhtml="x" Try WebBrowser1.Document.GetElementById("bannerClose").InvokeMember("Click") Catch ex As Exception End Try and Dim theElementCollection3 As Windows.Forms.HtmlElementCollection theElementCollection3 = WebBrowser1.Document.GetElementsByTagName("img") For Each curElement As HtmlElement In theElementCollection3 If curElement.GetAttribute("alt").Contains("x") Then …

Imports System.Data.OleDb Imports System.Data Imports System.Web Imports System.Web.UI Partial Class _TakeSurvey Inherits System.Web.UI.Page Dim sid, query1, query2, query3, query4, query5, query6, qnos, currentQ, q_type, filledby, qid, status1 As String Dim dbcon As String = "Provider=Microsoft.Jet.OleDb.4.0;" & _ "Data Source=|DataDirectory|SurveyDatabase.mdb" Dim con, conn, conn1, conn2 As OleDbConnection Dim da, da1, da2, …

Private Sub btnCalc_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnCalc.Click Dim checker As Boolean = True Dim prompt As String = String.Empty Dim people As Integer Integer.TryParse(txtPeople.Text, people) people = ValidatePeople(txtPeople.Text) If people = 0 Then prompt = prompt & "Invalid number of people " checker = False …

i have a problem in my code i can't get the best answer on how to double click the data in the listview and store the value in the textbox in the other form pls help me. I am very please for your response this is for my project.. thank …

in existing project of combobox not just show the the project No. and also show the textbox of the project name this is my code is it corrct: Private Sub DataOfProject_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load Dim conn As New System.Data.OleDb.OleDbConnection() conn.ConnectionString = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:\temp\Database1.accdb" If …

This conception I get from a post on CodeProject by [Heriberto Lugo](http://www.codeproject.com/Tips/837177/Recursion-for-Beginners-Sorting-Ten-Numbers-Withou). But that was for only 10 numbers. Then I had an idea to use it in vb. There are many shorting process like Bubble Short, Linear Short etc. But exceptionally it does not use loops as others do. …

Dim conn As New System.Data.OleDb.OleDbConnection() conn.ConnectionString = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:\temp\Database1.accdb" If conn.State = ConnectionState.Open Then conn.Close() conn.Open() Dim sql As String = "SHOW * From tbl_info Where AdminNo = '" & ListBoxassign.Items & "'" listboxassign.items.show(AdminNo)

how to connect sql server with asp.net using vb coding?

Hey there, My program works by having a blank form, then adding picturebox controls to the form. I need to reference these pictureboxes later on, and so I need to add each one to part of an array. But when I am adding my picturebox (The Object) to MyGrid (My …

Hello group! I need to scrape data from the screen of an open application. It will be used as text, so it will need to be converted into a string that I can parse. I've looked around and found scrapers that use the "picture" as a bitmap or jpeg. The …

Hi i Been Trying all night to get **Flash Player** to occupy **All** Browser Control using the height="100%" and width="100%"   Making **Flash Player** Full screen in Browser Control.. Please!! Help!! Thank you..

So i have a MDI Thing going on and it is appearing behind split container control I was thinking i may need, FindWindow or something. Dim ChildForm as new Form1 ChildForm.MdiParent = Me ChildForm.Show