using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data.SqlClient;
using Negocio;
namespace Presentacion
{
public partial class frmCatalogo...
I find the following error when opening a view that I created in my MVC 5 ASP.NET project, the view file is .aspx:
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Asistencias.aspx.cs" Inherits="Visitantes.Views.Informes.Asistencia...
It turns out that I'm trying to make a post from a posted file from the asp view to the controller but it turns out that the file arrives null simply is not sent nose that may be happening the error is this:
Additional information: Object refere...
Hello in my SQL table I have the fields POSITION and FERTILIZER and I show those records in a reportviewer, and I want to add a column called BALANCE to show me the output. A) Yes:
I clarify that the column Balance does not exist in my dat...
Hello, I have a report in vs 2017 and when executing it in the browser it stays stuck, here I leave the code:
<asp:ScriptManager ID="ScriptManager1" runat="server"></asp:ScriptManager>
<rsweb:ReportViewer ID="ReportVi...
protected void Page_Load(object sender, EventArgs e)
{
//aqui muestro mi reporte en la pagina
if (!Page.IsPostBack)
{
using (SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["cn"].ToString()))
{
SqlComm...
I have a form in Webforms where an Email is entered.
You have two validators that work correctly: RequiredFieldValidator, RegularExpressionValidator.
<asp:TextBox ID="txtEmail" runat="server" MaxLength="100" placeholder="Ingrese Email" C...
I have a webform application in ASP .NET with C # and I want to fill a gridview from the webform.aspx.cs.
There is some way to fill it "only" when entering the page, or it must be only with a click event. Could you tell me how to do it?
I will g...
In the grid the Template field
Currently to see the name of the entire template you have to do the long field until the name enters to see the end of the template name. The end of the template name is what differentiates the template from the re...
Good evening everyone, my query is as follows.
I have an asp.net web forms form on vb.net where I have an asp: fileupload control like this:
<asp:FileUpload ID="UpLoadEstudiantes" runat="server"
AllowMultiple="False" CssClass="fil...