Questions tagged as 'vb.net'

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How to make change in database without having a clear primary key? [closed]

I need a method to do data change in a SQL Server table. According to my client, all the table data can be changed. By having this possibility, I am without a fixed and unique reference for the bank to know which data will be changed. UPD...
asked by 23.03.2016 / 15:38
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Make insert / update with values from other tables

Ihavethisbd.Iwanttodoaninsert/updatetothemissing_tabletable.ButIhavenoid,justthenumbersandnames.HowdoImakeaninsert/updatetorelatetoanothertable?DimsqlAsString="insert into Faltas_Licao values ()"     
asked by 16.02.2016 / 10:52
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SQL Sends NULL value to a DateTime column

I have a form in VB.NET where the user informs the delivery dates and delivery forecast of the order and other information. As he does not yet have, for example, the delivery date because he has not yet been informed by the carrier. My query...
asked by 20.06.2016 / 20:59
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Generate text from form

HowcanIdothatbyfillinginthefields,theyappearinthetextboxbyreplacingthevalues"USER NAME", "WARNING TYPE" and "TOPIC LINK"? Private Sub bemvindo_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles bemvindo.Click E...
asked by 04.10.2015 / 16:13
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Closing requisitions

I currently make multiple HTTP / HTTPS requests for distinct sites using the HttpWebRequest and HttpWebResponse classes using .NET Framework 4.0. We are experiencing a problem when a moment arrives we can not acquire SSL / TLS conn...
asked by 19.11.2015 / 13:06
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Error updating a table. (Duplicate key)

Good. When doing the update I get error .. Yes I already have a record in the table with those values, but when changing the type should not let me do?     
asked by 24.02.2016 / 09:55
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Register a custom protocol in Windows

I do not know if I'm asking correctly, but I do not know where to start searching. I would like to register a custom protocol on windows just as some applications do. Example: Spotify - > spotify: Torrent - > magnet: email - > m...
asked by 08.02.2016 / 03:49
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Faster way to add an item to an array, use a structure

Structure turma Public id_turma As Integer Public nome_turma As String End Structure Structure Disciplina Public id_disciplinas As Integer Public nome_disciplina As Integer End Structure Public Class F_Contentor Dim turmas()...
asked by 22.02.2016 / 18:08
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Verify that typed text already exists in a text file on a site

I want VB to verify that the typed username already exists in a text file hosted on a site. I want something like this: Dim Findstring = IO.File.ReadAllText("C:\Program Files (x86)\EasyPHP-12.1\www\server\users.txt") Dim Lookfor As String = Fl...
asked by 24.02.2016 / 15:28
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Manipulating with Update Panel

I'm working with asp:button e asp:Listbox using the click event of asp:button to populate the listbox. I'm trying to manage so that no more postback occurs in the click of the button event, but how I'm implementing is...
asked by 24.12.2015 / 15:39