Questions tagged as 'vb.net'

Tagged questions
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Convert Array to DataTable Vb .Net

I have the following: Dim array() as Object I fill it with a: webservice.execute(Parm1).ToArray I want to pass that array to DataTable in a dynamic and efficient way.     
asked by 07.07.2016 / 17:14
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vb.net Update datatable to MySQL

Good morning: At this moment I am developing a small app in VS.2015 (VB), I have two databases, the first in MySQL and the second in Ms-SQL, both have the same structure, first I make a select and bring the data from a table of each database...
asked by 30.06.2016 / 18:13
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Gridview linked to a radiobutton?

I am learning in Visual Studio 2015, Visual Basic and a bit of database connection. In ASP.NET I am generating some graphs from the data of some tables in Access. Even the graph can generate them based on predefined queries in different radiobut...
asked by 05.07.2016 / 15:18
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Error generating classes vb.Net 2015 from xsd with xsd2code ++

The Spanish Tax Agency (AEAT) has published a series of xsd for the new system of Immediate Supply of Information (SII) that will come into force as of July 2017.
asked by 24.02.2017 / 17:26
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Query LINQ Dataset in Datagridview repeated rows

1. I have a query in LINQ (VB.NET): Dim Consulta = From ConsultaEmisor In Emisor From ConsultaReceptor In Receptor From ConsultaComprobante In Comprobante Select New With {Mis campos} 2. I fi...
asked by 27.03.2016 / 09:31
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Problem reading a SqlDataReader in Vb .Net

Hi, I have a problem reading a SqlDataReader in Vb .Net, it gives me the following message    Invalid attempt to call Read when the reader is closed I have the following code: Private Sub Button1_Click(ByVal sender As System.Object, ByV...
asked by 21.07.2016 / 22:40
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How to perform Binding to a ComboBox in Windows Forms

I need to bind to Combobox to automatically save the data in the database. * I fill Combobox when starting Form : lPropositosInmueble = BOPropositoInmueble.PropositoInmuebleCollection With Me.cboProposito .Di...
asked by 14.04.2016 / 08:45
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I can not invoke class from my web reference

I have a project in which I am adding improvements but I have the following problem: My WS is in a C # project and my desktop application in vb. which calls and consumes my ws. I just created some new classes as an example "beAuditors"...
asked by 24.10.2018 / 21:34
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Error updating MySQL Table from DataGridView in VB.NET

I try to update a table of my database in MySQL from a DataGridView in my VB.NET project but I get the following error: concurrency violation the updatecommand affected 0 of the expected 1 records. The code I have is the following: Privat...
asked by 18.05.2016 / 16:27
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Generate double header columns in a form datagridview (Windows form) in VB.Net [closed]

Good afternoon, I'm putting together a form where you import a SQl Server table into a datagridview I want to build double header as shown in the image.     
asked by 09.11.2017 / 23:37