Questions tagged as 'vb.net'

Tagged questions
3
answers

How to use vb.net code in C # using a library

The question is how can I do to use the following code: Class MenaPE '------------------------------ 'Title: MenaPE (RunPE Class) 'Author: Menalix 'Website: Menalix.com 'Notice: For teaching purposes...
asked by 07.06.2017 / 21:27
3
answers

I can not catch this error (StackOverFlowException)

In a project that I am doing, I have this error that I can not locate. It is a main form with a TabControl that loads other forms within each of its tabs.  Did something similar happen to someone? Any idea that you can generate it? -Edi...
asked by 02.06.2016 / 09:13
1
answer

How to know if a String contains any of the first 10 letters of the alphabet VB.Net

I have to do a program in vb.net to check if a string that is entered by keyboard contains any of the first 10 letters of the alphabet or not. I've tried this but it has not worked. Overloads Sub MostrarDatosCalculados(ByVal nombre...
asked by 02.10.2018 / 08:41
1
answer

.Net Dll with Web Service in VB6

I pose the following scenario. I have a DLL ( developed in .Net with fwrk 4 ) where one of its functions is to connect to a WebService (Service reference). I have some projects developed in .Net that consume this DLL. I have some pr...
asked by 16.12.2017 / 04:11
1
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Problem with relations in DATASET obtained from database

I'm having trouble getting a table with relationships. The problem arose that I had a complex query with many relationships, when asking the question they helped me to make the query that is efficient and fast, but when placing it in my program...
asked by 19.08.2017 / 16:51
2
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Send in the body of a mail (vb.NET), the message text and the html signature

Hello, I have the following problem. I need to send an email through vb.net, everything works correctly until I charge:    File .html (Signature with embedded images)   Content of the textBoxMessage (It is where the user writes the messag...
asked by 31.05.2017 / 15:17
1
answer

Login Visual Basic with database

Good, you see I am creating a login in visual studio using SQL Server Compact but I do not know how to obtain the data resulting from the sentence and compare them, I have this: Dim sqlcon As New SqlCeConnection("Data Source=C:\Usuarios.sdf;...
asked by 08.05.2017 / 15:47
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xtrareport Object reference not set to an instance of an object

I am trying to visualize a report in vb.net which uses as report Xtrareport but the same I did in a separate project, when I try to pass the parameters I get this error:    Object reference not set to an instance of an object. This...
asked by 12.08.2016 / 04:44
1
answer

Make DataGridView Auto-Height according to the Rows

I need to be able to accommodate the height of FORM or DataGridView based on the amount of data / rows that were filled in DataGrid . This taking into account what cases there are four rows, and others that there are o...
asked by 16.05.2017 / 15:49
1
answer

Convert ASCII to binary in VB.NET

I have a problem trying to convert ASCII to binary. In effect, I am translating an AIS frame (which I used for navigation on ships) symbol by symbol on six bits from 15 (where the payload begins). And despite having !AIVDM,1,1,,A,15O86n001TJ3...
asked by 06.07.2016 / 14:34