cierre completo de las ventanas

database/DAO.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.Data.SQLite;
+using System.Diagnostics.Contracts;
 using System.IO;
 using System.Linq;
 using System.Security.Policy;
@@ -76,6 +77,31 @@ namespace compabetov2.database
             }
         }
 
+        public static SQLiteDataReader conseguirInicioSesionDAO(string usuario)
+        {
+            SQLiteDataReader reader = null;
+            var db_conexion = new Conexion();
+            try
+            {
+                SQLiteConnection conexion = db_conexion.get_connection();
+                
+                    conexion.Open();
+
+                    string sql = "SELECT usuario, tipo FROM Login WHERE usuario = @param0";
+                    SQLiteCommand command = new SQLiteCommand(sql, conexion);
+                    command.Parameters.AddWithValue($"@param{0}", usuario);
+                    reader = command.ExecuteReader();
+
+                    return reader;
+                
+            }
+            catch (SQLiteException ex)
+            {
+                MessageBox.Show(ex.Message);
+                return reader;
+            }
+        }
+
         public static bool verificarExistenciaLoginDAO(LoginModel loginModel)
         {
             SQLiteDataReader reader = null;