I have a userControl (.NET 1.1 Winforms) that has a clickable picturebox as a button. Since I have lots of those usercontrols visible at the same time, I thought It could be nice if I just display the picture box when the mouse is over the usercontrol and hide it otherwise. To do so, I handle the MouseEnter and MouseLeave events of th...
I'm working on a .NET application (VB 2008) that gets all of its data from a web-based Django application. I'm using Linq-to-XML and Linq-to-objects in the app. One API call is giving me XML data in the following format that I am loading into an XDocument. <django-objects version="1.0"> <object pk="1" model="app.person"> <...
From what I can find on google, VB.NET only has one-statement lambdas, and not multi-statement anonymous functions. However, all the articles I read were talking about old versions of VB.NET, I couldn't find anything more recent than vs2008 beta 1 or 2. So the question: How can I do this in VB.NET? C# code: private void HandleErrors( ...
Greetings all, Is there a built in way to know when a user is done typing into a textbox? (Before hitting tab, Or moving the mouse) I have a database query that occurs on the textchanged event and everything works perfectly. However, I noticed that there is a bit of lag of course because if a user is quickly typing into the textbox th...
I want to iterate over all rows of a MS-Word mail merge data source and extract the relevant data into an XML. I'm currently using this code: Imports Microsoft.Office.Interop Do objXW.WriteStartElement("Recipient") Dim objDataFields As Word.MailMergeDataFields = DataSource.DataFields For Each FieldIndex As Integer In mdictMergeFi...
O' LINQ-fu masters, please help. I have a requirement where I have to add items into a List(Of T) (let's call it Target) from an IEnumerable(Of T) (let's call it Source) using Target.AddRange() in VB.NET. Target.AddRange(Source.TakeWhie(Function(X, Index) ?)) The ? part is a tricky condition that is something like: As long as the as ...
I have a gridview with 2 columns. First field contains checkbox named chkSelect and second column is a label which is binded with EmailId. <asp:GridView ID="gvwNewsLetter" runat="server" AutoGenerateColumns="false" DataKeyNames="UserID"> <Columns> <asp:TemplateField HeaderText="Select"> <ItemTemplate> <asp:CheckBox ID="chkSele...
When im naming a variable for a directory should i end the variable name with path, folder or directory. Im writing my code in .net.. ...
I am using visual inheritance and was wondering if there is a way to change the properties of inherited controls at design time, preferably in the form designer. If not, then in the designer code. I have my control declared as Public in the base class. I can access it in the child form code, but not in the form designer. Is this just no...
what is the maximum record count for a datagrid in vb.net? is there any limit? ...
This could be terribly trivial, but I'm having trouble finding an answer that executes in less than n^2 time. Let's say I have two string arrays and I want to know which strings exist in both arrays. How would I do that, efficiently, in VB.NET or is there a way to do this other than a double loop? ...
I have been looking at a few of our VB.NET dll's using FxCop and all of the errors relate to DLL setup (i.e. Strong Names, Culture Info) and the case of Variables methods. Looking at a few examples of FxCop examining a C# Dll, it appears to offer a lot more potential errors. Does this mean that FxCop is more valuable on C# developmen...
I am receiving data representing a time slot from a service as a string in the form of: 1500-1600 This meaning 3pm to 4pm. I will have a list of these e.g. 1200-1300 1300-1400 1400-1500 and I have to represent this in the UI as 12pm - 1pm 1pm - 2pm 2pm - 3pm Unfortunately this list could be in a ran...
Dim re As New Regex("((?<field>[^"",\r\n]+)|""(?<field>([^""]|"""")+)"")((?<rowbreak>,\r\n|\r\n|\n|$)|,)") 3700,Collin,Franc,,[email protected],Collins,Francine,,[email protected],"Enel North America, Inc.",One T Drive,Suite 220,MyCity,MA,77774,1,[email protected],,,,,3700, 3701,Steur,Larry,,[email protected],Steur,Larry,,[email protected],...
If I have the following class and declaration: Public Class objLocation Public SysLocationId As String Public NameFull As String Public LatRaw As String Public LongRaw As String Public Active As Integer End Class dim lLocation as new objLocation I can access each variable thus lLocation.SysLocationId, etc. Is there an ...
Hi If I want to bind the files of a folder to a gridview, I can just do this: GridView1.DataSource = New DirectoryInfo("C:\MyPix").GetFiles GridView1.DataBind() ...And this asp.net <asp:GridView ID="GridView1" runat="server"> <Columns> <asp:BoundField DataField="Name" /> </Columns> </asp:GridView> ...But if I want to bind it t...
Hi all, I include the power packs in my app, and now I encounter problems when I try to deploy it to some other Win-XP machines which do not have Visual Studio (2008), although I include its DLL inside the installation package. The DLL is "C:\Program Files\Common Files\Microsoft Shared\Visual Basic Power Packs\1.1\Microsoft.VisualBasic...
Can anyone help me how to restore a database from vb.net,I tried to restore using stored procedure by taking retore template script from sql server2005. but there is error "the database is already in use please use a master database.." ...
Hello I am trying to limit the size of my generic list so that after it contains a certain amount of values it wont add any more. I am trying to do this using the Capacity property of the List object but this does not seem to work. Dim slotDates As New List(Of Date) slotDates.Capacity = 7 How would people advice limi...
I'm trying to trigger an animation declared in the window's XAML file from the window's vb code when an event is raised (calling a function), like a window's "loaded" event. Here's how I declare the animation (as a storyboard): Dim StartAnimation As Storyboard = DirectCast(FindName("ServiceOn"), Storyboard) Dim StopAnimation As Storybo...