Questions tagged as 'vb.net'

Tagged questions
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while while using System.Drawing.Printing does not add anything?

I would like help on a report I'm creating via code ... Next in the data insertion part of a datagridview I am having problems, when I use the command While on page printPreview the searched data appears, but when I launc...
asked by 26.08.2015 / 02:56
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Printing Multiple DataGridView

I am creating a report in vb.net with my DataGrid data and trying to send it to print. But in this project I'm using two DataGrids, one for a Relatori table, and one for the Report table. The code I usually use for printing a DataGrid would b...
asked by 02.07.2015 / 17:03
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Export DataSet to Excel with Spreadsheetgear

I'm trying to export 7 datatables to a worksheet, each datatable into a sheet using Spreadsheetgear. I'm having a hard time returning the data and exporting it to excel. This is my DataSet where I load all datatables, but every time I run the...
asked by 10.07.2015 / 12:43
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List daily logs?

My program inserts records of both the services and the computers of a school library. As such the library secretariat has to do a daily log and I would like to know if it is possible to only list the requisitions (services or computers) daily?...
asked by 11.06.2015 / 16:15
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How to export content generated by VB.NET to Excel

I have a page that loads a table, and I wanted to export it to Excel, how can I do that? Public Class RelRegepaCap Inherits IcatuHartford.Web.UI.Pagina Protected Sub Pag e_Load(ByVal sender As Object, ByVal e As System.E...
asked by 29.06.2015 / 22:08
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Compiler "Roslyn" is already available on CodeDom?

I would like to know if the Microsoft Roslyn Compiler is already available in the System.CodeDom namespace of the .NET Framework ... If not, how do I reference this compiler in my project?     
asked by 01.06.2015 / 02:52
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Undocumented attribute: ForceTokenStabilizationAttribute & __DynamicallyInvokableAttribute

I discovered an undocumented attribute, and it is Friend , it is located in namespace System.Runtime.CompilerServices , because it is used on the system, it has no documentation. I tried to decompile this attribute and received...
asked by 30.05.2015 / 22:08
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Custom Control Libary WPF - DispatcherTimer Does Not Start VB.NET

I wanted to know why the reason for this function created in dll to WPF application in VS 2013 does not start DispatcherTimer . Code: Public Sub Iniciar TIniciaAntiDebuggers = New DispatcherTimer()...
asked by 30.05.2015 / 21:14
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Cheating the ReCaptcha [closed]

I have a website of a customer made in VB.net and he has a form to talk to us where he has a ReCaptcha 2 of Google in him and today had a citizen who is able to send messages in this form and going through ReCaptcha without any problem. He is al...
asked by 24.05.2015 / 16:56
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Use "SUM" in access + vb.net

I have a small problem in the Access query, where I have the following code: Dim cn As New OleDb.OleDbConnection Dim cmd As New OleDb.OleDbCommand Dim Da As New OleDb.OleDbDataAdapter Dim Dt As New DataTable Dim dtinicio As St...
asked by 01.07.2015 / 21:17