FrmBaseDatos: btnExportData Exports the data of the selected tables.

ServerExplorer/UI/FrmBaseDatos.cs

@@ -7,6 +7,7 @@ using ServerExplorer.Code;
 using System.Collections.Generic;
 using ServerExplorer.Code.DataTransfer;
 using ServerExplorer.Code.DataAccess;
+using System.IO;
 
 namespace ServerExplorer.UI
 {
@@ -271,14 +272,92 @@ namespace ServerExplorer.UI
             Enabled = true;
         }
 
-        private void splitContainer1_Panel1_Paint(object sender, PaintEventArgs e)
-        {
-
-        }
-
         private void btnRefresh_Click(object sender, EventArgs e)
         {
             Initialize();
         }
+
+        private void btnExportData_Click(object sender, EventArgs e)
+        {
+            // Hacer insensible la ventana
+            Parent.Enabled = false;
+
+            // Obtener informacion.
+            TablesFromListView();
+            DatabaseDesc db = CrearDatabaseDesc();
+
+            // Preparar cabecera del script
+            var listCmds = new List<string>();
+            listCmds.Add("SET NOCOUNT ON;");
+            listCmds.Add(string.Empty);
+
+            // Comandos de desactivacion de FKs
+            foreach (TablaDesc t in db.Tablas)
+            {
+                string tableName = string.Format("{0}.{1}", t.Esquema, t.Nombre);
+                listCmds.Add(string.Format("ALTER TABLE {0} NOCHECK CONSTRAINT all;", tableName));
+            }
+            listCmds.Add(string.Empty);
+
+            // Prepara informacion a exportar
+            foreach (TablaDesc t in db.Tablas)
+            {
+                string tableName = string.Format("{0}.{1}", t.Esquema, t.Nombre);
+                List<string> listCmdsTableData = ExportData(tableName);
+                listCmds.AddRange(listCmdsTableData);
+            }
+
+            // Comandos de activacion de FKs
+            foreach (TablaDesc t in db.Tablas)
+            {
+                string tableName = string.Format("{0}.{1}", t.Esquema, t.Nombre);
+                listCmds.Add(string.Format("ALTER TABLE {0} WITH CHECK CHECK CONSTRAINT all;", tableName));
+            }
+            listCmds.Add(string.Empty);
+
+            // Escribir script
+            string fixedDatabaseName = db.Nombre.Replace(' ', '_');
+            var escritor = new StreamWriter(fixedDatabaseName + ".data.sql");
+            foreach (string cmd in listCmds)
+            {
+                escritor.WriteLine(cmd);
+            }
+            escritor.Close();
+
+            // Hace sensible la ventana
+            Parent.Enabled = true;
+        }
+
+        private List<string> ExportData(string tableName)
+        {
+            DataTable dtData = Exec(string.Format("SELECT * FROM {0}", tableName));
+
+            var listCmds = new List<string>();
+            List<string> listCmdsInsert = Utiles.DataTable_GenerateInserts(dtData, tableName);
+
+            listCmds.Add(string.Format("-- {0}", tableName));
+            listCmds.Add(string.Format("DELETE FROM {0};", tableName));
+            listCmds.Add(string.Format("DBCC CHECKIDENT ('{0}', RESEED, 0);", tableName));
+            listCmds.Add(string.Format("SET IDENTITY_INSERT {0} ON;", tableName));
+            listCmds.AddRange(listCmdsInsert);
+            listCmds.Add(string.Format("SET IDENTITY_INSERT {0} OFF;", tableName));
+            listCmds.Add(string.Empty);
+
+            return listCmds;
+        }
+        
+        private DataTable Exec(string cmd)
+        {
+            var cnx = new SqlConnection(_config.ConnectionString);
+
+            var da = new SqlDataAdapter(cmd, cnx);
+            var dt = new DataTable();
+            cnx.Open();
+            da.Fill(dt);
+            cnx.Close();
+
+            return dt;
+        }
+
     }
 }