Merge pull request #5 from alosslessdev/alosslessdev

progreso en conexion a bases de datos, correcion de texto

Author: alosslessdev

ConexionBaseDeDatos.cs

@@ -0,0 +1,104 @@
+using System;
+using System.Collections.Generic;
+using System.Data;
+using System.Data.SqlClient;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Lab_6
+{
+    internal class ConexionBaseDeDatos
+    {
+
+        private string detallesConexion = "Data Source=localhost;Initial Catalog=Libreria;Integrated Security=True";
+
+        public DataSet ObtenerDatos()
+        {
+            DataSet datos = new DataSet();
+            try
+            {
+                using (SqlConnection conexion = new SqlConnection(detallesConexion))
+                {
+                    string query = "SELECT Nombre, Departamento, Salario FROM Empleados";
+                    SqlDataAdapter adaptador = new SqlDataAdapter(query, conexion);
+                    adaptador.Fill(datos, "Libros");
+                }
+            }
+            catch (SqlException ex)
+            {
+                throw new Exception("Error al obtener libros: " + ex.Message);
+            }
+
+            return datos;
+
+        }
+
+        public DataSet InsertDatos()
+        {
+            DataSet datos = new DataSet();
+            try
+            {
+                using (SqlConnection conexion = new SqlConnection(detallesConexion))
+                {
+                    string query = "SELECT Nombre, Departamento, Salario FROM Empleados";
+                    SqlDataAdapter adaptador = new SqlDataAdapter(query, conexion);
+                    adaptador.Fill(datos, "Libros");
+                }
+            }
+            catch (SqlException ex)
+            {
+                throw new Exception("Error al obtener libros: " + ex.Message);
+            }
+
+            return datos;
+
+        }
+
+        public DataSet UpdateDatos()
+        {
+            DataSet datos = new DataSet();
+            try
+            {
+                using (SqlConnection conexion = new SqlConnection(detallesConexion))
+                {
+                    string query = "SELECT Nombre, Departamento, Salario FROM Empleados";
+                    SqlDataAdapter adaptador = new SqlDataAdapter(query, conexion);
+                    adaptador.Fill(datos, "Libros");
+                }
+            }
+            catch (SqlException ex)
+            {
+                throw new Exception("Error al obtener libros: " + ex.Message);
+            }
+
+            return datos;
+
+        }
+
+        public DataSet DeleteDatos()
+        {
+            DataSet datos = new DataSet();
+            try
+            {
+                using (SqlConnection conexion = new SqlConnection(detallesConexion))
+                {
+                    string query = "SELECT Nombre, Departamento, Salario FROM Empleados";
+                    SqlDataAdapter adaptador = new SqlDataAdapter(query, conexion);
+                    adaptador.Fill(datos, "Libros");
+                }
+            }
+            catch (SqlException ex)
+            {
+                throw new Exception("Error al obtener libros: " + ex.Message);
+            }
+
+            return datos;
+
+        }
+
+    }
+
+
+
+}

Form1.Designer.cs

@@ -46,6 +46,7 @@
     <Reference Include="System.Xml" />
   </ItemGroup>
   <ItemGroup>
+    <Compile Include="ConexionBaseDeDatos.cs" />
     <Compile Include="Form1.cs">
       <SubType>Form</SubType>
     </Compile>

Lab#6.csproj

@@ -0,0 +1,25 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.11.35219.272
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Lab#6", "Lab#6.csproj", "{973302B8-6227-4C64-AEC6-F4C1AEB6E2B9}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{973302B8-6227-4C64-AEC6-F4C1AEB6E2B9}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{973302B8-6227-4C64-AEC6-F4C1AEB6E2B9}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{973302B8-6227-4C64-AEC6-F4C1AEB6E2B9}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{973302B8-6227-4C64-AEC6-F4C1AEB6E2B9}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {28E60DC4-2A50-43F1-A839-A566C2ED5CCF}
+	EndGlobalSection
+EndGlobal