Questions tagged as 'vb.net'

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GUI Applications - Streamlined! As?

Hello, everyone! My mission is to give agility and fluency to a software ... leave it without those constant fights in each For ... For this I created a problem and would like to know if anyone can solve it. The solution will apply to a la...
asked by 26.05.2015 / 21:12
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NF-e 3.10 sefaz MG How do I receive the return of the NfeAuthorizationLoteAsybc?

I'm trying this way (asynchronous), with the sync I also can not capture any status or return, but at least transmits the note to MG's With NfeRecepcaoMG .Url = "https://nfe.fazenda.mg.gov.br/nfe2/services/NfeAutorizacao?wsdl" .nfeCabe...
asked by 27.03.2015 / 21:12
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Error Signing XML, Invalid URI VB.NET

I have this code to sign an XML, because at that moment it requests a URI, I know it is a namespace that points to some website, but when I assign the URL, it gives an exception error. ' Cria a referencia Dim reference As New Reference() '...
asked by 01.04.2015 / 20:03
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How to request administrator permission in Visual Basic.NET

I'm creating a project that accesses protected Windows folders. How do I request administrative access to the user.     
asked by 30.01.2015 / 04:54
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How to wait for the end of a Thread and how to receive values from it?

I'm working on a situation that requires the use of multiprocessing. I need to read files and a bunch of processes that can take some time. During this process, I want to display a sort of window to user (Aguarde...) without compromisi...
asked by 10.04.2014 / 15:33
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Insert sub-total per page into a Report (.NET) RDLC table

I need to insert cumulative sub-total on each page of my RDLC .NET report, I'm using a table to allocate all field values and their sums. The great difficulty is to insert the total into one of the cells of this table.     
asked by 03.12.2014 / 13:51
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How to update chart automatically every 60 seconds?

I have a project where I need to update a form every 60 seconds, and in the form there is a function to call the chart and when I execute the program, the form perfectly initializes the graph. I use the timer calling the function again to re...
asked by 07.02.2014 / 03:41
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How to replace an Image with a Text?

I'm developing a project where I need to replace an image with a certain text when it is not loading. Example: If the image does not load, display a message stating that the image could not be obtained. Is this possible? My image is popping...
asked by 03.02.2014 / 13:07
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See changes (delete) in the vb.net grid

Hello, I would like you to help me with the following .. I have a form that does a search for a code with several grids and a button, this button makes a lot of changes in the various grids but I also want to delete some lines with one delete qu...
asked by 10.12.2014 / 13:23
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How to add a certain value to an Integer of a JSON in vb.net?

Hello, I have this code: Imports System.IO Imports Newtonsoft.Json.Linq Public Class Form1 Private Sub Timer1_Tick(sender As Object, e As EventArgs) Handles Timer1.Tick Dim channel As JObject = JObject.Parse(Fil...
asked by 04.09.2018 / 03:48