Best answeres tagged with vb.net

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vb.net buttons editable by the end user of the application

Title Hello community, I need your help, it is possible to create a window where the user can add buttons, redimension them, etc. something like what we do in visual studio, but as an end user where you save the changes and when you open the...

asked by 07.04.2016 / 20:35

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Avoid repeated data entry? [closed]

I am creating a reservation system for medical appointments, but I do not know how to program that the user can not enter an appointment at a time that is already saved. I would greatly appreciate your help

asked by 10.12.2018 / 02:05

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How can I keep the session on another ASPX and VB page?

I have the login page and obviously it already validates the user and password of a database in SQL, what I want is that on another page it shows me the username (it is a masterpage), of the person who is logged in.

asked by 28.09.2017 / 20:45

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Compare two dates in VB.NET [closed]

I would like to know how to compare two dates with .Net; The current date and a manually inserted date. Format: YYYY / MM / DD

asked by 25.05.2018 / 20:46

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Why do I get strange characters when I concatenate the date to the name of a report generated by reportviewer

I'm trying to change the name of a report that is generated with reportviewer, but when I attach the system date the / they come out with strange characters, can someone help me?

asked by 23.05.2018 / 22:48

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how can I fill in a textbox when selecting an element of a comboBox?

Private void pruebas_load(object sender, EventsArgs e) { If (cb2.selectedIndex >0) { String[] valores = combo.captar_info(cb2.text) Txtcosto.text = valores[0]; } } This is the code so that when selecting an element of a c...

asked by 28.11.2017 / 21:25

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how to add new fields to a table at the time of execution of a vb.net system? [closed]

Thank you in advance for reading my question. I am developing a system on VB.net and Sql Server, they ask me to add a part where the system finished they can add a new field or delete an existing one from some table but from the system (So th...

asked by 27.03.2018 / 14:47

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problem with vb.net and webbrowser, scraping

I'm making an application with vb.net with the webbrowser object. Basically I do the following automatically, nevego a direction, I scrolling down to load the entire page (since it is dynamic and load as you scroll down) and finally I take...

asked by 31.01.2018 / 13:25

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Blur effect / Blur in Windows forms Is it possible?

Since a while ago I had this doubt, and that is that I wanted to add a blur effect to my form, that is to say at the bottom of the form (BackColor) But with that defocusing of what is behind the form, I do not know if I explain, but ... I have n...

asked by 17.12.2017 / 23:51

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Object reference not set as an instance of an object. VB.NET

I'm trying to launch a command from this class: Imports System.Data.OleDb Imports System.IO Public Class GestionSql Private sReturn As String = "" Private sConection As String = "Provider=Microsoft.Jet.OLEDB.4.0; Data Source=" +Direct...

asked by 09.04.2018 / 23:44

Questions tagged as 'vb.net'