When updating the database model so that it takes changes to the schema of the database, it shows me this error:
An exception of type 'System.ArgumentException' was thrown when trying to update from the database. The exception message is:...
The problem is the following:
The total time of a task must be calculated; given a day with time (for the beginning) and a time allotted for the task.
Eg it starts on October 15, 2018 at 2:00 p.m., a task that will last 33.5hrs. It should be ca...
Good thing I have a table in SQL:
CREATE TABLE Parametros(
Empid int NOT NULL CONSTRAINT [FK_Parametros_Empid] REFERENCES Empresa(id),
Codigo varchar(25) NOT NULL,
Valor sql_variant NULL,
CONSTRAINT [PK_Paramet...
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace Ejercicio3
{
class Program
{
enum direcion { arriba = 1, abajo = 3, derecha = 2, izqu...
I am working on a project with Arduino and C # and I hope that my C # solution is composed of several forms and that they use the same serial port (since that has been my problem so far) and I was thinking that an easy way it would be a class bu...
I can invert two numbers of an array with the array.reverse but, in this case, I have declared a String that you enter by the input method and that this is transformed into an array with the Split method separated by ','...
using System;
using System.Net;
using System.Linq;
using System.Data;
using System.Net.Mail;
using ClosedXML.Excel;
using System.Collections.Generic;
namespace Productos_Sin_Parametro_Ax
{
class Program
{
static void Main(string[]...
I would like to know how I can do to validate in asp.net if a text string entered is equal to another. I am doing it using the ValidationResult method but it does not work, I leave the code.
public class ValidacionPlacaExistente
{...