Questions tagged as 'vb.net'

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Application .net in visual studio 2017 eat memory

Hello, how are you? I have an application and when I enter a section, exactly one form, the memory expands until the computer is completely labeled, I would like to know how I can determine what function, or what subroutine is causing me such a...
asked by 27.06.2018 / 22:05
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Load Report Failed CR vb.net

In a system to print reports of crystal report automatically (without preview) on my computer works perfect but when installing the publication on another computer throws the error "Load Report Failed" the report believes it on the same vb .net...
asked by 26.06.2018 / 21:56
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VB.NET create tabcontrol pages

I have a form1 called NativeMethods with 1 tabcontrol1 and 1 tab in that tabcontrol1. On the other hand, I have a button: Private Sub Button7_Click_1(sender As Object, e As EventArgs) Handles Button7.Click Dim frmNewForm As New NativeMe...
asked by 25.06.2018 / 15:53
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Format of date VB.net EF

Function TraeConta(ByVal DAT_CODIGO As Integer, ByVal DAT_NRO_ORDEN As Integer, ByVal DAT_RUTPAC As Integer) As MIN_CONT_CONTACTADOS Dim cont As New MIN_CONT_CONTACTADOS Try...
asked by 11.06.2018 / 15:24
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Crystal Reports can not connect to the database

I come with a somewhat strange problem. You see, I am developing an application that shows several reports of the information that is stored. a couple of days ago it worked fine (or so I think), it showed all the reports without any problem....
asked by 15.06.2018 / 13:36
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Redim Arrangement VBA

I have a small problem that I hope can guide me, it turns out that I have to store an array and for each data I'm going to store, verify if it has not been previously entered, the difficulty I have is that I define an array of 10 elements. , but...
asked by 19.06.2018 / 17:00
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Assign name to column excel in VB

Hello Developers, I have a problem that I am creating an excel book with its respective sheet name etc I want to change the value to the column to put names I have tried with many methods but I do not know how Dim xlWorkSheet As Excel.Works...
asked by 13.06.2018 / 17:24
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Put image condition on a row of my gridview

It used to work like this but since I used itexsharp to generate a pdf, I set myself wrong and now I do not know how to correct it .. If e.Row.RowType = DataControlRowType.DataRow Then If e.Row.Cells(6).Text.ToString = "True" Then...
asked by 31.05.2018 / 17:00
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Consume Api rest with Visual Basic.net

beforehand thanks for any help, I would like to consume an api rest that has authentication OAuth2.0 ie by token. I would like to begin is to be able to make the request post to the url sending the credentials but I have no idea how to do it...
asked by 28.05.2018 / 02:22
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VB.NET NullReferenceException Timer.Start ()

I miss the following error, and I do not understand the reason ... I have changed the access to Public of all timers in case that was the problem and nothing ... 'Block timers Private Sub blocktimers() Dim i As Integer For Eac...
asked by 27.05.2018 / 18:42