FrmExec: Extract DataTable_GenerateInserts method to Utiles.

ServerExplorer/Code/Utiles.cs

@@ -1,10 +1,16 @@
 using System;
+using System.Collections.Generic;
+using System.Data;
+using System.Globalization;
 using System.IO;
+using System.Text;
 
 namespace ServerExplorer.Code
 {
     public static class Utiles
     {
+        #region File Utils
+
         public static void CrearDirectorio(this String path)
         {
             DirectoryInfo info;
@@ -18,10 +24,97 @@ namespace ServerExplorer.Code
             }
             CrearDirectorio(info);
         }
+
         public static void CrearDirectorio(this DirectoryInfo info)
         {
             if (info.Parent != null) CrearDirectorio(info.Parent);
             if (!info.Exists) info.Create();
         }
+
+        #endregion
+
+        #region DataTable Utils
+
+        public static List<string> DataTable_GenerateInserts(DataTable dataTable, string destTable)
+        {
+            var nfi = new NumberFormatInfo { NumberDecimalSeparator = "." };
+
+            var listCmds = new List<string>();
+
+            // Recorrer la tabla de datos
+            foreach (DataRow dr in dataTable.Rows)
+            {
+                var sbColumns = new StringBuilder();
+                var sbValues = new StringBuilder();
+                foreach (DataColumn dc in dataTable.Columns)
+                {
+                    // El nombre de la columna
+                    if (sbColumns.Length > 0) { sbColumns.Append(", "); }
+                    sbColumns.AppendFormat("[{0}]", dc.ColumnName);
+
+                    // El valor de la columna
+                    if (sbValues.Length > 0) { sbValues.Append(", "); }
+                    object valor = dr[dc];
+                    if (valor == DBNull.Value || valor == null)
+                    {
+                        // NULOS
+                        sbValues.Append("NULL");
+                    }
+                    else
+                    {
+                        string type = dc.DataType.Name.ToLower();
+                        if (type == "string")
+                        {
+                            // Cadenas
+                            sbValues.AppendFormat("'{0}'", ((string)valor).Replace("'", "''"));
+                        }
+                        else if (type == "int" || type == "int32" || type == "int64")
+                        {
+                            // int
+                            sbValues.Append(((int)valor).ToString(nfi));
+                        }
+                        else if (type == "long" || type == "int64")
+                        {
+                            // long
+                            sbValues.Append(((long)valor).ToString(nfi));
+                        }
+                        else if (type == "decimal")
+                        {
+                            // Decimales
+                            sbValues.Append(((decimal)valor).ToString(nfi));
+                        }
+                        else if (type == "bit" || type == "bool" || type == "boolean")
+                        {
+                            // Booleanos
+                            sbValues.Append(((bool)valor) ? "1" : "0");
+                        }
+                        else if (type == "byte[]")
+                        {
+                            // Arrays de bytes (imagenes, archivos etc)
+                            sbValues.AppendFormat("0x{0}", BitConverter.ToString(((byte[])valor)).Replace("-", ""));
+                        }
+                        else if (type == "datetime")
+                        {
+                            // DateTIme
+                            sbValues.AppendFormat("'{0}'", ((DateTime)valor).ToString("yyyy-MM-dd HH:mm:ss"));
+                        }
+                        else
+                        {
+                            // Otros
+                            sbValues.AppendFormat("'{0}'", valor.ToString());
+                        }
+
+                    }
+                }
+
+                // Insertar fila a la datatable destino
+                listCmds.Add(String.Format("INSERT INTO {0} ({1}) VALUES ({2})",
+                            destTable, sbColumns.ToString(), sbValues.ToString()));
+            }
+
+            return listCmds;
+        }
+
+        #endregion
     }
 }