31 Archived Topics
Remove Filter  | Hello Daniweb, and thank you for taking the time to read this post. I have a question of efficiency. I am wondering, what is the most efficient way to print from a listview. The listview's values are loaded from a database, and I would like to print from that listview. …  |
| | Here is a small extention of the Panel class that allows you to 'collapse' it. So far, the user can place a control on the parent form and perform a collapse/expantion by: 'Where cpNew is a Collapsible Panel If Not cpNew.PanelCollapsed Then cpNew.Collapse() 'or If cpNew.PanelCollapsed Then cpNew.Expand() I will …  |
| | If you are browsing this forum, it is a safe assumption to believe you know of the [Fibonacci Series](http://en.wikipedia.org/wiki/Fibonacci_number). After having a couple of minutes, and some random thoughts, I put together a little piece of code that will print this series out to a file. Private Sub FibWrite(ByVal iMax …  |
| | Hello everyone! I am posting this code for anyone who may be having issues with connecting to a database. Feel free to use this code as you wish. This will be using the OLEDB library. [CODE] 'Imports Imports System.Data.OleDb Public Class Form1 'Declarations Dim con As OleDbConnection Dim cmd As … |
| | This is a module that can be used to save tiff images pass in from a file dialog. This module was translated from C# to VB.net, and the original project can be found [URL="http://www.codeproject.com/Articles/16904/Save-images-into-a-multi-page-TIFF-file-or-add-ima"]here[/URL]. I do not claim rights to this code. You can copy this code straight down into …  |
| | Hello my fellow Daniwebies! I have a curious, possibly unique, and odd problem for everyone! We support an ASP.NET application which is using VB.NET for code behind. We use LINQ to SQL and classed object for the data retreival. I have an object called...myObject which is being deleted: Public Shared … |
| | Hello my fellow Daniwebers. I am to ask for some ideas for a challenge. I want a good challenge for my skills, and even help expand my skills Please post your challenge below. Thanks, Begginnerdev |
| | Hello my fellow DaniWebers! I have a question for you! I have an ASP.Net website that I am currently working on. The problem that I am having is that I want to render the Master page's menu differently for the user types. Here is the catch. I can't use roles, … |
| | Upon resizing an anchored combobox - I noticed the text was always selected. This sparked the initiative to fix this problem. (Microsoft decided not to) So by extending the combobox class we can fix this. The following class can be dropped into a form for designer manipulation or as a … |
| | After seeing quite a few posts today asking about event handlers for dynamicly created controls, I have decided to give a little example for reference. **Note that you should check [Microsoft's Documentation](http://msdn.microsoft.com/en-us/library/system.windows.forms.control.aspx#inheritanceContinued) ( or research from web ) of any control if you are struggling** |
| | Upon playing with the graphics/random class - I have discovered something odd. Private Sub Me_Load(sender As Object, e As EventArgs) Handles Me.Load For i = 0 To 5000 DrawColor(GimmiRectangle) Next End Sub Private Sub DrawColor(ByVal rNew As Rectangle) Try Dim g As Graphics = Me.CreateGraphics g.DrawRectangle(New Pen(Color.FromArgb(New Random().Next(255), New Random().Next(255), … |
| | Upon aiding a friend - I have decided to post the example used here. The following is a snippet that shows basic class inheritance. The source file as well as a test case can be found attached. You can test these classes with the following code: Dim cNew As New … |
| | 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 have a question. Does anyone know of a way to scan an image into vb.net, and then save that image as a multipage tiff? I would need a redistributable. I have been looking for a library that will do this, but every one I have found does not meet … |
| | Hello my fellow Daniwebers, I have a question for you. I have an asp.net page that contains a structure that looks like so: <asp:MultiView> <asp:View> <asp:UpdatePanel> <asp:Panel> <asp:TextBox ID="txtStartDate" runat="server" AutoPostBack="true" /> <asp:TextBox ID="txtEndDate" runat="server" AutoPostBack="true" /> </asp:Panel> </asp:UpdatePanel> </asp:View> </asp:MultiView> The curious problem is that I can't reference the … |
| | Hello my fellow DaniWebbers, I have a question for you. Problem: I am troubleshooting an ASP.NET (some one else wrote) page that has an insert form. The user can insert, using linq, into the database. I want to check the database for the values before inserting the values. (Safeguarding from … |
| | Hello my fellow Daniwebers, I have a question for you. I have quite an odd problem that I have researched and have not been able to find a solution. I have a formview, named frmStatus, from which I am trying to retrieve controls to check for values. The form is … |
| | Hello my fellow DaniWebbers, I have a discussion topic for everyone. Winforms VS. WPF ITT: Your opinion on the two Your reason for coming to that discision Your approval/disapproval of Microsoft abandoning WinForms How this impacts your vb.net skills |
| | Hello my fellow daniwebbers, I have yet another question. I have a date, which is pulled from a database, that I need to convert to another form of that date. Example. Date1: 1/2/2001 Date2: 01/02/2001 What i am wanting to do is turn the current date format into two digit … |
| | Hello my fellow Daniwebbers, I have yet another question for you. I have been using a library to scan, located [here](http://bytescout.com/products/developer/scansdk/bytescoutscansdk.html), and have not been getting a consistant return. When I use the TWAIN Source, the GUI pops up and disappears almost instantly. When I tell the source manager to … |
| | Hello my fellow DanniWebbers, it is me againg. I have yet another question for you guys and gals. I have a parent panel with child panels that contain images. I am looping through the panels to save the images in the order the panels appear in the parent panel. I … |
| | Hello my fellow Danniwebbers, I am going crazy here. I have been messing around with the scanning packages(WIA and TWAIN) and have gotten WIA to work, but not as intended. At first I used the common dialog to show a Image Aquisition Wizard, but that did not return desired results. … |
| | Hello my fellow Danniwebbers, I have yet another question for you to ponder. I have two custom action listers. One that handles Mouse.Click and one that handles Mouse.MouseDown. My question to you is, can I delay the mouse down event so that it does not intefere with the code of … |
| | Hello my fellow Daniwebbers, I have a modest question for you. I have a panel, which contains child panels. I have code the alows the user to delete the selected panel, but can't figure out how to refresh the parent panel with the deleted panel gone. When I use the … |
| | I have a question for all of my fellow Daniwebbers. If I place a panel within another panel, can I "click" the panel later? In other words, if I am able to click the panel, can I reference that panel in code for manipulation? Such as flipping or rotating the … |
| | Hello my fellow Daniwebaholics! I know it is kindof off the wall, but I need help converting a piece of C# code to VB.net. I know a little C#, but not enough to be able to convert complex syntax from one to the other. Here is the code in C#: … |
| | I have recently written a VB.NET application and I am stuck on the deployment. I can't use the ClickOnce, because the program has to be installed on the machine under program files, therefore, I use InnoSetup. My problem is that the application requires sqlclient and .net 4.0 to be installed, … |
| | I am having a problem with a datareader. [CODE] Do While myData.Read itmListItem = New ListViewItem() strValue = IIf(myData.IsDBNull(0), "", myData.GetValue(0)) itmListItem.Text = strValue For shtCntr = 1 To myData.FieldCount() - 1 If myData.IsDBNull(shtCntr) Then itmListItem.SubItems.Add(" ") Else itmListItem.SubItems.Add(myData.GetString(shtCntr)) End If Next shtCntr view_data.DatabaseListView.Items.Add(itmListItem) Loop [/CODE] I have used message … |
| | Hello, I have one more question. I am connectinag to SQL Server 2008, not express, and I keep getting the "login failed for user "..."" The connection string I am using is: [CODE] Dim connStrg As String = "Data Source=" _ & ServerAdressTextBox.Text & _ ";Initial Catalog=" & _ DatabaseNameTextBox.Text … |
| | A co-worker and I are trying to compile a VB.Net / ASP.Net application on another machine. We are getting two different sets of errors. One set of errors lists 103 undefined statements with no library missing. The other error is, " It is an error to use a section registered … |
| | Hello, I am still green to the C programming language. I am writing a multi-dimensional array program to store strings into an array. The program requires error checking to avoid overflow. I am using Visual Studio 2008. I am using a Windows O/S. The program runs fine on the first …  |
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