static void Main(string[] args) { DAO.DBEngine dbEng = new DAO.DBEngine(); DAO.Workspace ws = dbEng.CreateWorkspace("", "admin", "", DAO.WorkspaceTypeEnum.dbUseJet); DAO.Database db = ws.OpenDatabase("z:\\docs\\dbfrom.mdb", false, false, ""); DAO.TableDef tdf = db.TableDefs["Test"]; DAO.Field fld = tdf.Fields["AYesNo"]; //dbInteger 3 //accheckbox 106 DAO.Property prp = fld.CreateProperty("DisplayControl", 3, 106); fld.Properties.Append(prp); }
public static void Main(string[] args) { try { if (args.Length == 0) { Console.WriteLine("Please enter an MS Access application path as a parameter!"); return; } dbEngine = new DAO.DBEngine(); database = dbEngine.OpenDatabase(args[0]); DAO.Property allowBypassKeyProperty = null; foreach (dao.Property property in database.Properties) { if (property.Name == "AllowBypassKey") { allowBypassKeyProperty = property; break; } } if (allowBypassKeyProperty == null) { allowBypassKeyProperty = database.CreateProperty("AllowBypassKey", DAO.DataTypeEnum.dbBoolean, false, true); database.Properties.Append(allowBypassKeyProperty); Console.WriteLine("AllowBypassKey Property has been added. It's Value is '" + allowBypassKeyProperty.Value + "'"); } else { allowBypassKeyProperty.Value = !allowBypassKeyProperty.Value; Console.WriteLine("AllowBypassKey set to '" + allowBypassKeyProperty.Value + "'!"); } } catch (Exception exception) { Console.WriteLine("Exception Message: " + exception.Message); Console.WriteLine("Inner Exception:" + exception.InnerException); } finally { database.Close(); System.Runtime.InteropServices.Marshal.ReleaseComObject(database); database = null; System.Runtime.InteropServices.Marshal.ReleaseComObject(dbEngine); dbEngine = null; Console.WriteLine(); Console.WriteLine("Press enter to continue ..."); Console.ReadLine(); } }
public Property(DAO.Property _prop) { prop=_prop; }
private static DateTime CreateTableTime = DateTime.MinValue; //最后一次创建表的时间 #region IDb 成员 public void CreateTable(Table table, string tableName) { CreateTableTime = DateTime.Now; if (tableName == null || tableName.Length == 0) { tableName = table.Code; } DAO.DBEngine daoDBE = new DAO.DBEngine(); DAO.Database daoDB = null; daoDB = daoDBE.OpenDatabase(this.FileName, false, false, "MS ACCESS;PWD=" + this.Password); DAO.TableDefs daoTables = daoDB.TableDefs; foreach (DAO.TableDef daoT in daoDB.TableDefs) { if (daoT.Name.Equals(tableName)) { daoTables.Delete(tableName); //删除现存的表 } } DAO.TableDef daoTable = daoDB.CreateTableDef(tableName, 0, "", ""); string strPrimaryKeyFields = ""; foreach (Column _Column in table.Columns) { DAO.Field daoField = new DAO.Field(); daoField.Name = _Column.Code; switch (_Column.DataType) { case DataTypeOptions.Int: daoField.Type = Convert.ToInt16(DAO.DataTypeEnum.dbLong); break; case DataTypeOptions.Long: case DataTypeOptions.Decimal: daoField.Type = Convert.ToInt16(DAO.DataTypeEnum.dbDouble); break; case DataTypeOptions.VarChar: if (_Column.DataLength > 255) { daoField.Type = Convert.ToInt16(DAO.DataTypeEnum.dbMemo); daoField.AllowZeroLength = true; } else { daoField.Type = Convert.ToInt16(DAO.DataTypeEnum.dbText); daoField.Size = _Column.DataLength; daoField.AllowZeroLength = true; } break; case DataTypeOptions.Text: daoField.Type = Convert.ToInt16(DAO.DataTypeEnum.dbMemo); daoField.AllowZeroLength = true; break; case DataTypeOptions.File: daoField.Type = Convert.ToInt16(DAO.DataTypeEnum.dbLongBinary); break; default: throw new Exception("尚未实现的数据类型 " + _Column.DataType); } daoField.Required = _Column.IsNotNull; if (_Column.IsPrimaryKey) { strPrimaryKeyFields += _Column.Code + ";"; } daoTable.Fields.Append(daoField); } daoDB.TableDefs.Append(daoTable); if (table.Name != null && table.Name.Length > 0) { DAO.Property daoTableProperty = daoTable.CreateProperty("Description", DAO.DataTypeEnum.dbText, table.Name, 0); daoTable.Properties.Append(daoTableProperty); } foreach (Column _Column in table.Columns) { if (_Column.Name != null && _Column.Name.Length > 0) { DAO.Field daoField = daoTable.Fields[_Column.Code]; DAO.Property daoColumnProperty = daoField.CreateProperty("Description", DAO.DataTypeEnum.dbText, _Column.Name, 0); daoField.Properties.Append(daoColumnProperty); } } if (strPrimaryKeyFields.Length > 0) { DAO.Index daoIndex = daoTable.CreateIndex("PK_" + tableName); daoIndex.Fields = strPrimaryKeyFields; daoIndex.Primary = true; daoIndex.Unique = true; daoTable.Indexes.Append(daoIndex); } foreach (Index _Index in table.Indexs) { string strKeyFields = ""; foreach (Column _KeyColumn in _Index.Columns) { strKeyFields += "+" + _KeyColumn.Code + ";"; } if (strKeyFields.Length > 0) { DAO.Index daoIndex = daoTable.CreateIndex(_Index.Code); daoIndex.Fields = strKeyFields; daoIndex.Primary = false; daoIndex.Unique = false; daoTable.Indexes.Append(daoIndex); } } daoDB.Close(); TimeSpan ts = DateTime.Now - CreateTableTime; if (ts.Seconds < 2) { System.Threading.Thread.Sleep(10000); //Access 数据表创建后需要一段时间才能访问。 } }