Agregar archivos de proyecto.

CapaDatos/CapaDatos.csproj

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+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProjectGuid>{E496BE58-6A90-4DD4-8EDF-FABF48E8FABE}</ProjectGuid>
+    <OutputType>Library</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <RootNamespace>CapaDatos</RootNamespace>
+    <AssemblyName>CapaDatos</AssemblyName>
+    <TargetFrameworkVersion>v4.8</TargetFrameworkVersion>
+    <FileAlignment>512</FileAlignment>
+    <Deterministic>true</Deterministic>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="Dapper, Version=2.0.0.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>..\packages\Dapper.2.0.123\lib\net461\Dapper.dll</HintPath>
+    </Reference>
+    <Reference Include="System" />
+    <Reference Include="System.Configuration" />
+    <Reference Include="System.Core" />
+    <Reference Include="System.Xml.Linq" />
+    <Reference Include="System.Data.DataSetExtensions" />
+    <Reference Include="Microsoft.CSharp" />
+    <Reference Include="System.Data" />
+    <Reference Include="System.Net.Http" />
+    <Reference Include="System.Xml" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="ConexionSql.cs" />
+    <Compile Include="D_aulas.cs" />
+    <Compile Include="D_Carreras.cs" />
+    <Compile Include="D_estudiantes.cs" />
+    <Compile Include="D_Materias.cs" />
+    <Compile Include="D_matriculas.cs" />
+    <Compile Include="D_oferta.cs" />
+    <Compile Include="D_Programas.cs" />
+    <Compile Include="D_Reportes.cs" />
+    <Compile Include="D_Roles.cs" />
+    <Compile Include="D_Usuarios.cs" />
+    <Compile Include="D_profesores.cs" />
+    <Compile Include="Encriptacion.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="packages.config" />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\CapaEntidades\CapaEntidades.csproj">
+      <Project>{c94d3b75-2a8d-4ce4-b852-9ac8dc627338}</Project>
+      <Name>CapaEntidades</Name>
+    </ProjectReference>
+  </ItemGroup>
+  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+</Project>

CapaDatos/ConexionSql.cs

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+using System;
+using System.Configuration;
+using System.Data;
+using System.Data.SqlClient;
+using static Dapper.SqlMapper;
+
+namespace CapaDatos {
+    public class ConexionSql {
+        /// <summary>
+        /// Clase para optener la conexion al servidor sql
+        /// la cadena esta encriptada
+        /// </summary>
+        /// <returns>Retorna la conexion de una instancia SQL server</returns>
+        /// <exception cref="InvalidOperationException">Caprurar errores de conexion</exception>
+        /// 
+        static readonly string Servidor; //Nombre o ip del servidor
+        static readonly string Instancia; //Nombre de la instancia sql
+        static readonly string BaseDatos; //Nombre de la base de datos
+        static readonly string User; //Usuario de acceso
+        static readonly string Password; //Contraseña de usuario de acceso
+        public ConexionSql() {
+
+
+        }
+        public static SqlConnection GetConnection() {
+            //CREAMOS EL OBJETO DE CONEXION
+            SqlConnection connection = new SqlConnection {
+                ConnectionString = Encriptacion.Desencriptar(ConfigurationManager.AppSettings["StringConexion"])
+            };
+            //NOS CONECTAMOS
+            try {
+                //VALORAMOS EL ESTADO DELA CONEXION
+                if (connection.State == ConnectionState.Open) {
+                    connection.Close();
+                }
+                else {
+                    connection.Open();
+                }
+            }
+            catch (Exception ex) {
+                //SI ALGO SALIO MAL DEVOLVEMOS EL ERROR
+                throw new InvalidOperationException("ERROR DE CONEXION CON EL SERVIDOR " + ex.Message);
+            }
+            finally {
+                connection.Close();
+            }
+            return connection;
+        }
+    }
+}

CapaDatos/D_Carreras.cs

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+using CapaEntidades;
+using Dapper;
+using System;
+using System.Collections.Generic;
+using System.Data;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace CapaDatos {
+    public class D_Carreras {
+        public void Nueva(Carrera carrera) {
+            using(var conn = ConexionSql.GetConnection()) {
+                conn.Execute("SP_carrera_nueva", new { nombre = carrera.Nombre }, commandType: CommandType.StoredProcedure);         
+            }
+        }
+        public void Modificar(Carrera carrera) {
+            using (var conn = ConexionSql.GetConnection()) {
+                conn.Execute("SP_carrera_modificar", new { nombre = carrera.Nombre,idCarrera = carrera.IdCarrera }, commandType: CommandType.StoredProcedure);
+            }
+        }
+        public List<Carrera> GetCarreras(string nombre) {
+            using (var conn = ConexionSql.GetConnection()) {
+               return conn.Query<Carrera>("SP_carrera_lista", new {nombre }, commandType: CommandType.StoredProcedure).ToList();
+            }
+        }
+    }
+}

CapaDatos/D_Materias.cs

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+using CapaEntidades;
+using Dapper;
+using System;
+using System.Collections.Generic;
+using System.Data;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace CapaDatos {
+    public class D_Materias {
+        public void Nueva(Materias materias) {
+            using (var conn = ConexionSql.GetConnection()) {
+                conn.Execute("SP_materia_nueva",
+                new {
+                    detalle = materias.Detalle,
+                    costo = materias.Costo,
+                    aula = materias.Aula,
+                    horario = materias.Horario
+                }, commandType: CommandType.StoredProcedure);
+            }
+        }
+        public void Modificar(Materias materias) {
+            using (var conn = ConexionSql.GetConnection()) {
+                conn.Execute("SP_materia_modificar",
+                    new {
+                        idMateria = materias.IdMateria,
+                        detalle = materias.Detalle,
+                        costo = materias.Costo,
+                        aula = materias.Aula,
+                        horario = materias.Horario
+                    },
+                    commandType: CommandType.StoredProcedure);
+            }
+        }
+        public List<Materias> GetMaterias(string detalle) {
+            using (var conn = ConexionSql.GetConnection()) {
+                return conn.Query<Materias>("SP_materia_lista",
+                    new { detalle }, 
+                    commandType: CommandType.StoredProcedure).ToList();
+            }
+        }
+    }
+}

CapaDatos/D_Programas.cs

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+using CapaEntidades;
+using Dapper;
+using System.Collections.Generic;
+using System.Data;
+using System.Linq;
+
+namespace CapaDatos {
+    public class D_Programas {
+        public List<Programa> Lista() {
+            using (var conn = ConexionSql.GetConnection()) {
+               return conn.Query<Programa>("SP_Programas_lista", commandType: CommandType.StoredProcedure).ToList();    
+            }
+        }
+    }
+}

CapaDatos/D_Reportes.cs

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+using Dapper;
+using System.Data;
+
+namespace CapaDatos {
+    public class D_Reportes {
+        public DataTable Usarios(bool activo,string nombre) { 
+            DataTable data= new DataTable();
+            using (var conn = ConexionSql.GetConnection()) {
+                var reader = conn.ExecuteReader("SP_Reporte_Usuarios", new { activo, nombre },commandType:CommandType.StoredProcedure);
+                data.Load(reader);
+            }
+            return data;
+        }
+        public DataTable Ofertas(string idOferta) {
+            DataTable data = new DataTable();
+            using (var conn = ConexionSql.GetConnection()) {
+                var reader = conn.ExecuteReader("SP_reporte_ofertas", new { idOferta }, commandType: CommandType.StoredProcedure);
+                data.Load(reader);
+            }
+            return data;
+        }
+        public DataTable NotasEstudiantes(string idAlumno) {
+            DataTable data = new DataTable();
+            using (var conn = ConexionSql.GetConnection()) {
+                var reader = conn.ExecuteReader("SP_reporte_notas_estudiante", 
+                                                new { idAlumno }, 
+                                                commandType: CommandType.StoredProcedure);
+                data.Load(reader);
+            }
+            return data;
+        }
+        public DataTable Profesores(string nombre, bool Activo) {
+            DataTable data = new DataTable();
+            using (var conn = ConexionSql.GetConnection()) {
+                var reader = conn.ExecuteReader("SP_reporte_profesores",
+                                                new { nombre, Activo },
+                                                commandType: CommandType.StoredProcedure);
+                data.Load(reader);
+            }
+            return data;
+        }
+        public DataTable Aulas( string estado) {
+            DataTable data = new DataTable();
+            using (var conn = ConexionSql.GetConnection()) {
+                var reader = conn.ExecuteReader("SP_Reporte_aulas",
+                                                new { estado },
+                                                commandType: CommandType.StoredProcedure);
+                data.Load(reader);
+            }
+            return data;
+        }
+    }
+}

CapaDatos/D_Roles.cs

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+using CapaEntidades;
+using Dapper;
+using System;
+using System.Collections.Generic;
+using System.Data;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace CapaDatos {
+    public  class D_Roles {
+        public List<Roles> Lista() {
+            using (var conn = ConexionSql.GetConnection()) {
+                return conn.Query<Roles>("SP_roles_lista", commandType: CommandType.StoredProcedure).ToList();   
+            }
+        }
+    }
+}