Questions tagged as 'vb.net'

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Problems with DPI [closed]

I am developing an application and for it I use a PC (Windows 7) and a laptop (Windows 10). The problem is that when I edit something on the laptop I change the value of designer.vb :    Me.AutoScaleDimensions = New System.Drawing...
asked by 12.04.2017 / 10:53
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Connect 2 applications in a LAN network (C # or VB NET)

Hello colleagues I am using Sockets regardless of the programming language, I have 2 applications (Red Lan), one on the PC and another on a Notebook. I would like to know if it is necessary to have the OPEN PORT for the connection of the 2 appli...
asked by 28.03.2017 / 22:04
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Error with textbox in VB.Net using autocomplete

I have the following code to perform an autocomplete in several textboxes that I have in my application. It is connected to a database in another computer that is a server. But the error gives me as much of the clients as of the servers. Taki...
asked by 04.04.2017 / 05:39
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Markers in google maps are not drawn in chrome in an algorithm within an Onsuccess of a Page Method

I am doing a web app with vb.net programming in javascript and doing custom marker in google map api with javascript. In windows explorer, edge draws well the markers, which are taken from a path, from the web server where it is running. In chro...
asked by 20.03.2017 / 11:55
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VB.NET - Doubt with the statement If and its closure End If

Good, someone would tell me why the End If statement is not used when we open with Else If ? If (num < 0) Then Console.WriteLine("El numero es negativo.") ElseIf (num = 0) Then Console.WriteLine("El numero es 0.") Else Consol...
asked by 27.03.2017 / 03:28
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No files are loaded with fileupload aspx control

I have a doubt, there is control <asp:FileUpload ID="ImagenArchivo" AllowMultiple="true" runat="server" Width="132px" /> and it has activated the selection of multiple files but when I get that information in my code vb only takes...
asked by 07.07.2017 / 13:58
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Display the contents of a gridlookedit while writing

Hi friend and I have a gridlookedit and I am working on vb.net with component in devexpress and I want to know how I do to display the list box when receiving the focus and close it when the focus is lost This way I charge the combo P...
asked by 22.02.2017 / 16:20
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SignalR - Problems with vb.net

I have a project on vb.net that previously did not have SignalR . I did the whole process of importing libraries with Nuget , I manually created the classes necessary for its operation, but I have not gotten it to work. I simply try to send...
asked by 20.03.2017 / 15:44
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Sort Excel File Columns

I would like to know how I can command the columns of an Excel with VB.NET, for the moment I open the Excel with Interop, now I would like to sort the columns since I have them for the moment as shown in the image. The result I want to...
asked by 21.02.2017 / 22:35
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MessageBox.Show in modal versus Form with TopMost = True?

I have a form with the TopMost = True property that makes it always above everything, I thought that the dialog that it generated would be above it, since it is supposed to inherit the modal of the main form, but it does not, it always mounts...
asked by 31.01.2017 / 17:57