Questions tagged as 'vb.net'

Tagged questions
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Go through TextGridView TextBox

How about, I have a Windows Forms application in which in a TextBox I simulate the name of a table, in another entry the rows that the table will have and in the remaining 4 the 4 columns that will contain the table. This file generate...
asked by 21.07.2016 / 18:22
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What is the best way to detect a change of content in datagridview VS 2008?

I have a datagridview, which has columns that I can edit (with the EditMode property: EditOnEnter). I have this grid only to show data, because the values (without formatting, for calculations) I have in an array. I need to capture the data t...
asked by 01.06.2016 / 17:00
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Page duplicates headers with AJAX request

I have a problem with a page that is loaded through AJAX to perform a search, I am working with a master page to have fixed the header of my page but when I make the call to the page that I call through AJAX I duplicates the header, I do...
asked by 22.04.2016 / 16:25
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Filtering in ComboBox in VB.NET and SQL Server

I have a database in SQL Server and I am doing the inserts and updates to the database using the SQL Server syntax. The request is, if someone can give me a code on how to filter a table at ComboBox and as the user typing the name, the...
asked by 09.03.2016 / 05:04
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Free space used in BBDD Access

I am making an application in VB.net (4.5) using as BBDD Access (2016), but I have a small problem: when I insert a record (for example, a Richtextbox converted to Byte ()) the size of the DB increases. But when I eliminate it, the size does not...
asked by 19.02.2016 / 08:40
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Encrypt data via URL in Visual Basic.net

I am sending data by URL of a form to any page, but the problem is that on that page your url that receives the data is NOT encrypted. This is my code: Response.Redirect("SimuladorExamen.aspx?dni=" & Server.UrlEncode(txtDNI.Text) &...
asked by 20.12.2018 / 21:21
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property is not a member of the login class

I have a webmethod in vb.net and I use a list of objects to store values of the SQL query that I do, but when compiling I get an error that says user.value is not a member of Login, Login is a class where I declare properties <WebMethod()&g...
asked by 05.02.2016 / 17:35
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customize exception - exceptions management VB.NET

I am making an application that uploads an excel file to the server through a input fileupload , when the file is uploaded, the fields of the excel file are inserted into a DB. When there are fields that have already been loaded (duplic...
asked by 15.04.2016 / 20:43
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Regular Expressions in Visual Basic.net

I am doing regular expressions in a registration form using Web forms. I would like to know if it is well done because at the time of registering nothing happens. This is my regular expression code: Dim expre_regul As String = "/^[a-zA-Z0...
asked by 18.12.2018 / 23:08
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BundleConfig.vb - VisualBasic.Net

Good afternoon. I am starting a new "Website", made in Visual Basic .NET. I recently started using MVC (C #), and a feature that I thought was good is the "BundleConfig" that allows you to group different CSS and JS scripts, to render on t...
asked by 14.11.2018 / 19:31