Questions tagged as 'visual-studio'

Tagged questions
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How to make the header of an ASP.NET GridView fixed?

I have a gridview that shows me a list of data. When scrolling with the vertical bar of the GridView the header is not fixed so the display is lost when I scroll. How can the header be fixed? <asp:GridView ID="GV_UNO" runat="server" ShowHea...
asked by 29.10.2018 / 18:35
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How to set the width of the cells in the same GridView column?

I have a gridview that is filled with some data. I need that the cells of a column have all a fixed width. The code I have is the following but it does not work, since the cell is much smaller. <asp:BoundField DataField="Descuento" Heade...
asked by 29.10.2018 / 11:46
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Does not save the information in database, error "Object reference not established as instance of an object"

I have the following code and when saving in my database I get the following error: "Object reference not established as an instance of an object" Imports MySql.Data.MySqlClient Public Class Ingresovehiculo Dim conexion As MySqlConnection...
asked by 26.10.2018 / 08:41
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does not appear form when wanting to call from class in visual studio

It turns out that I have a class where I do all my queries ql, punctually in one that I do an update, I want to call the form to indicate the textbox where is a data that I am going to edit, but the form does not appear that in particles, if oth...
asked by 25.10.2018 / 20:22
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How to make a button in html that can be displayed in Outlook 2007?

I have to send an email in HTML format where some buttons appear that are sent to another link. The problem is that the Outlook 2007 mail client does not interpret modern HTML and I can not make myself visualize the appearance of a button. I tri...
asked by 24.10.2018 / 11:13
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problem with foreach in mvc 4 asp .net c #

my problem is based on a table RESTRICTIONS, which is based on a turn-taking system, these restrictions can be created by the admin from its backoffice, so to go through this table I use a foreach, and for example I rely on The common restrictio...
asked by 23.10.2018 / 04:11
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Problem with the forms in Visual Studio 2017

I have a problem with Visual Studio 2017, when I created a form in the solution explorer I did not see the Form.h that allows me to open the design in which I can add objects using the toolbox. Only one form appears to me. When I open it, it sen...
asked by 23.10.2018 / 01:51
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Error "/ bin / bash -l" when executing terminal with Visual Code

I'm having problems starting the integrated terminal in Visual Code. The error that throws me is:    chdir (2) failed: not found file or directory. After that, it shows me the error below: The terminal process command could not be star...
asked by 23.10.2018 / 11:42
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Search error in mysql with visual basic .net

Good day, Send me this error    executereader the connection property has not been initialized the error sends it here%% of% Private Sub btnAgregar_Click(sender As Object, e As EventArgs) Handles btnBuscar.Click If (validarCampo...
asked by 17.10.2018 / 17:01
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How can an error be solved: "Could not find the installable ISAM file?

public static void ROC_ExcelToDatagridView (DataGridView dgv) { path = ""; try { try { OpenFileDialog file = new OpenFileDialog ( ); file.F...
asked by 13.10.2018 / 00:04