/**/ /// <summary> /// 执行带一个存储过程参数的的SQL语句。 /// </summary> /// <param name="SQLString">SQL语句</param> /// <param name="content">参数内容,比如一个字段是格式复杂的文章,有特殊符号,可以通过这个方式添加</param> /// <returns>影响的记录数</returns> public int ExecuteSql(string SqlString, string content) { using (System.Data.IDbConnection iConn = this.GetConnection()) { using (System.Data.IDbCommand iCmd = GetCommand(SqlString, iConn)) { System.Data.IDataParameter myParameter = this.iDbPara("@content", "Text"); myParameter.Value = content; iCmd.Parameters.Add(myParameter); iConn.Open(); try { int rows = iCmd.ExecuteNonQuery(); return(rows); } catch (System.Exception e) { throw new Exception(e.Message); } finally { if (iConn.State != ConnectionState.Closed) { iConn.Close(); } } } } } /**/ /// <summary> /// 向数据库里插入图像格式的字段(和上面情况类似的另一种实例) /// </summary> /// <param name="strSQL">SQL语句</param> /// <param name="fs">图像字节,数据库的字段类型为image的情况</param> /// <returns>影响的记录数</returns> public int ExecuteSqlInsertImg(string SqlString, byte[] fs) { using (System.Data.IDbConnection iConn = this.GetConnection()) { using (System.Data.IDbCommand iCmd = GetCommand(SqlString, iConn)) { System.Data.IDataParameter myParameter = this.iDbPara("@content", "Image"); myParameter.Value = fs; iCmd.Parameters.Add(myParameter); iConn.Open(); try { int rows = iCmd.ExecuteNonQuery(); return(rows); } catch (System.Exception e) { throw new Exception(e.Message); } finally { if (iConn.State != ConnectionState.Closed) { iConn.Close(); } } } } }
/// <summary> /// 以事务方式执行拼接好的sql语句组 /// </summary> public static void RunSqlStatement() { BaseSQL.ExecuteSqlTran(strSqlLlist); IDataParameter[] parameters = new System.Data.IDataParameter[1]; //实例化参数对象 parameters[0] = new SqlParameter("@returnMessage", string.Empty); //参数对象赋值 BaseSQL.RunProcedure("FrmRight_RefreshButtonInfo", parameters); //执行存储过程,刷新button相关表 }
/**/ /// <summary> /// 执行一条计算查询结果语句,返回查询结果(object)。 /// </summary> /// <param name="SQLString">计算查询结果语句</param> /// <returns>查询结果(object)</returns> public object GetSingle(string SqlString) { using (System.Data.IDbConnection iConn = GetConnection()) { using (System.Data.IDbCommand iCmd = GetCommand(SqlString, iConn)) { iConn.Open(); try { object obj = iCmd.ExecuteScalar(); if ((Object.Equals(obj, null)) || (Object.Equals(obj, System.DBNull.Value))) { return(null); } else { return(obj); } } catch (System.Exception ex) { LogHelper.WriteLog(ex, SqlString); return(-1); } finally { if (iConn.State != ConnectionState.Closed) { iConn.Close(); } } } } } /**/ /// <summary> /// 执行带一个存储过程参数的的SQL语句。 /// </summary> /// <param name="SQLString">SQL语句</param> /// <param name="content">参数内容,比如一个字段是格式复杂的文章,有特殊符号,可以通过这个方式添加</param> /// <returns>影响的记录数</returns> public int ExecuteSql(string SqlString, string content) { using (System.Data.IDbConnection iConn = this.GetConnection()) { using (System.Data.IDbCommand iCmd = GetCommand(SqlString, iConn)) { System.Data.IDataParameter myParameter = this.iDbPara("@content", "Text"); myParameter.Value = content; iCmd.Parameters.Add(myParameter); iConn.Open(); try { int rows = iCmd.ExecuteNonQuery(); return(rows); } catch (System.Exception ex) { LogHelper.WriteLog(ex, SqlString); return(-1); } finally { if (iConn.State != ConnectionState.Closed) { iConn.Close(); } } } } }
public static void SaveRemarks(ListView lv, string remarks) { int newRemarksID; IDataParameter[] parameters = new System.Data.IDataParameter[4]; //实例化参数对象 parameters[0] = new SqlParameter("@Remarks", remarks); //参数对象赋值 parameters[1] = new SqlParameter("@Founder", "songxi"); //需改成变量change parameters[2] = new SqlParameter("@newRemarksID", SqlDbType.Int); parameters[3] = new SqlParameter("@returnMessage", string.Empty); parameters[2].Direction = ParameterDirection.Output; parameters[3].Direction = ParameterDirection.Output; BaseSQL.RunProcedure("GetNewRemarksID", parameters); newRemarksID = Convert.ToInt32(parameters[2].Value);// FrmAddRemarksDAO.sqlLlist.Clear(); foreach (ListViewItem lvi in lv.SelectedItems) { //项目或文档ID int itemID = Convert.ToInt32(lvi.Tag); try { //如果是文件夹 if (lvi.SubItems[4].Text == "folder") { //获得项目列表 DataTable dt = FrmProjectDocumentDAO.GetAllLevelProjects(itemID); //项目下的所有项目 foreach (DataRow dr in dt.Rows) { //调用保存【项目备注】方法 FrmAddRemarksDAO.SaveProjectsRemarks_AddSql(Convert.ToInt32(dr["projectID"]), newRemarksID); } //获得文件列表 dt = FrmProjectDocumentDAO.GetAllLevelDocuments(itemID); //项目下的所有文件 foreach (DataRow dr in dt.Rows) { //调用保存【文档备注】方法 FrmAddRemarksDAO.SaveDocumentsRemarks_AddSql(Convert.ToInt32(dr["documentID"]), newRemarksID); } } else//如果是文件 { DataRow dr; dr = FrmProjectDocumentDAO.GetDocumentInfo(itemID); //调用保存【文档备注】方法 FrmAddRemarksDAO.SaveDocumentsRemarks_AddSql(Convert.ToInt32(dr["documentID"]), newRemarksID); } BaseSQL.ExecuteSqlTran(FrmAddRemarksDAO.sqlLlist); } catch (Exception e) { MessageBox.Show(e.Message, "提示", MessageBoxButtons.OK, MessageBoxIcon.Error); } } }
/// <summary> /// 更新生产计划单BOM信息 /// </summary> public bool Update_ProductionScheduleBom(SqlCommand cmd, string psNoStr, out string errorText) { int resultInt = 0; SqlParameter p1 = new SqlParameter("@PsNo", SqlDbType.VarChar); p1.Value = psNoStr; IDataParameter[] parameters = new System.Data.IDataParameter[] { p1 }; return(BaseSQL.RunProcedure(cmd, "P_Update_ProductionScheduleBom", parameters, out resultInt, out errorText)); }
/// <summary> /// 使用离线数据库连接器,无需使用Open方法,添加存储过程参数 /// </summary> /// <param name="ParameterName">参数名</param> /// <param name="ParameterValue">参数值</param> /// <param name="DbType">对象类型</param> /// <param name="Direction">参数类型</param> public void AddProcedureParameterOffline(string ParameterName, object ParameterValue, System.Data.DbType DbType, System.Data.ParameterDirection Direction) { System.Data.IDataParameter p = this.CommandOffline.CreateParameter(); p.ParameterName = ParameterName; p.Value = ParameterValue; p.DbType = DbType; p.Direction = Direction; this.CommandOffline.Parameters.Add(p); }
/// <summary> /// 更新当前的库存数 /// </summary> public bool Update_WarehouseNowInfo(SqlCommand cmd, string warehouseNoStr, int HandleType, out string errorText) { int resultInt = 0; SqlParameter p1 = new SqlParameter("@WarehouseNo", SqlDbType.VarChar); p1.Value = warehouseNoStr; SqlParameter p2 = new SqlParameter("@HandleType", SqlDbType.VarChar); p2.Value = HandleType; IDataParameter[] parameters = new System.Data.IDataParameter[] { p1, p2 }; return(BaseSQL.RunProcedure(cmd, "P_Update_WarehouseNowInfo", parameters, out resultInt, out errorText)); }
public void SetParameter(System.Data.IDataParameter dataParameter, object parameterValue, string dbType) { if (parameterValue == null) { dataParameter.Value = DBNull.Value; dataParameter.DbType = DbType.Binary; } else { DbGeography geo = (DbGeography)parameterValue; //var sqlDbGeography = SqlGeography.Parse(geo.AsText()); //dataParameter.Value = sqlDbGeography.Serialize().Value; } }
public override void Save() { BeginTransaction(); System.Data.SqlClient.SqlCommand sqluser = new System.Data.SqlClient.SqlCommand(); if (this.ID != 0) { sqluser.CommandText = "Update users set username=@, pass=@, email=@, location=@, user_type=@ where id_user=@"; }/* * else * { * sqluser.CommandText = "insert into users(username, pass, email, location, type) values (@, @, @, @, @)"; * }*/ sqluser.Transaction = CurrentTransaction; System.Data.IDataParameter p = sqluser.Parameters.Add("@usrn", SqlDbType.Int); p.Value = _username; p = sqluser.Parameters.Add("@pas", SqlDbType.VarChar); p.Value = _password; p = sqluser.Parameters.Add("@em", SqlDbType.VarChar); p.Value = _email; p = sqluser.Parameters.Add("@lo", SqlDbType.VarChar); p.Value = _location; p = sqluser.Parameters.Add("@ty", SqlDbType.VarChar); p.Value = _user_type; /*if (this.ID != 0) * {*/ p = sqluser.Parameters.Add("@id", SqlDbType.Int); p.Value = this.ID; /* } */ int id = ExecuteTransactedNonQuery(sqluser); /*if (this.ID == 0) * { * this.myID = id; * }*/ CommitTransaction(); }
/// <summary> /// Extracts the command information from the command object and add specific information based on the factory being use. /// </summary> /// <param name="theCommand">Command to be processed.</param> /// <param name="factory">The factory to be use.</param> public static void DeriveParameters(DbCommand theCommand, DbProviderFactory factory) { theCommand.Parameters.Clear(); if (theCommand.CommandType == CommandType.StoredProcedure) { using (DbConnection conn = factory.CreateConnection()) { conn.ConnectionString = theCommand.Connection.ConnectionString; conn.Open(); using (DbCommand pivotCommand = factory.CreateCommand()) { pivotCommand.CommandText = theCommand.CommandText; pivotCommand.CommandType = theCommand.CommandType; pivotCommand.Connection = conn; if (theCommand is System.Data.OleDb.OleDbCommand) { if (conn.ConnectionString.Contains("Provider=Microsoft.Jet")) { DeriveParametersFromProcedureCode(conn, pivotCommand); } else { System.Data.OleDb.OleDbCommandBuilder.DeriveParameters((System.Data.OleDb.OleDbCommand)pivotCommand); } } else if (theCommand is System.Data.SqlClient.SqlCommand) { System.Data.SqlClient.SqlCommandBuilder.DeriveParameters((System.Data.SqlClient.SqlCommand)pivotCommand); } else if (theCommand is System.Data.OracleClient.OracleCommand) { System.Data.OracleClient.OracleCommandBuilder.DeriveParameters((System.Data.OracleClient.OracleCommand)pivotCommand); } foreach (DbParameter parameter in pivotCommand.Parameters) { System.Data.IDataParameter cloneParameter = (System.Data.IDataParameter)((ICloneable)parameter).Clone(); theCommand.Parameters.Add(cloneParameter); } } } } }
public DataSet GetLocationData(int locationNo) { System.Data.IDbCommand sqlSelectCommand = EnterpriseManager.DbFactory.CreateDbCommand(); sqlSelectCommand.CommandText = @" select a.LocationNo, a.LocationName, a.BusinessClassCode, b.CompanyName from location a inner join BusinessClass b on a.BusinessClassCode = b.BusinessClassCode where a.LocationNo = @locationNo "; sqlSelectCommand.CommandType = System.Data.CommandType.Text; System.Data.IDataParameter locationNoParam = EnterpriseManager.DbFactory.CreateDataParameter("@locationNo", typeof(int)); locationNoParam.Value = locationNo; sqlSelectCommand.Parameters.Add(locationNoParam); // 명령문을 호출한다 DataSet dataSet = (DataSet)GetDataSet(sqlSelectCommand); sqlSelectCommand.Dispose(); return(dataSet); }
/// <summary> /// 在服务器创建文件夹 /// </summary> /// <param name="projectName"></param> /// <param name="projectPath"></param> /// <param name="parentProjectID"></param> public static int CreateFolderToSever(string projectName, string projectPath, int parentProjectID) { //string sql; try { IDataParameter[] parameters = new System.Data.IDataParameter[5]; //实例化参数对象 parameters[0] = new SqlParameter("@projectName", projectName); //参数对象赋值 parameters[1] = new SqlParameter("@projectPath", projectPath); parameters[2] = new SqlParameter("@parentProjectID", parentProjectID); parameters[3] = new SqlParameter("@newProjectId", SqlDbType.Int); parameters[4] = new SqlParameter("@returnMessage", string.Empty); parameters[3].Direction = ParameterDirection.Output; parameters[4].Direction = ParameterDirection.Output; BaseSQL.RunProcedure("CreateFolderToSever", parameters); return(Convert.ToInt32(parameters[3].Value)); } catch (Exception ex) { ExceptionHandler.HandleException("在服务器创建文件夹错误。", ex); return(-1); } }
/// <summary> /// 在服务器创建文件夹 /// </summary> /// <param name="projectName"></param> /// <param name="projectPath"></param> /// <param name="parentProjectID"></param> public static int CreateFolderToSever(string projectName, string projectPath, int parentProjectID) { //string sql; try { IDataParameter[] parameters = new System.Data.IDataParameter[5]; //实例化参数对象 parameters[0] = new SqlParameter("@projectName", projectName); //参数对象赋值 parameters[1] = new SqlParameter("@projectPath", projectPath); parameters[2] = new SqlParameter("@parentProjectID", parentProjectID); parameters[3] = new SqlParameter("@newProjectId", SqlDbType.Int); parameters[4] = new SqlParameter("@returnMessage", string.Empty); parameters[3].Direction = ParameterDirection.Output; parameters[4].Direction = ParameterDirection.Output; BaseSQL.RunProcedure("CreateFolderToSever", parameters); return(Convert.ToInt32(parameters[3].Value)); } catch (Exception ex) { MessageBox.Show(ex.Message, f.tsmiTs.Text, MessageBoxButtons.OK, MessageBoxIcon.Information); return(-1); } }
public DataSet GetCustomerData(string CustomerCode) { System.Data.IDbCommand sqlSelectCommand = EnterpriseManager.DbFactory.CreateDbCommand(); // Sql Command 명령문 sqlSelectCommand.CommandText = @"select President, Address, BusinessType, BusinessItem from customers where customercode = @customerCode"; sqlSelectCommand.CommandType = System.Data.CommandType.Text; // System.Data.IDataParameter CustomerCodeParam = EnterpriseManager.DbFactory.CreateDataParameter("@customerCode", typeof(string)); CustomerCodeParam.Value = CustomerCode; sqlSelectCommand.Parameters.Add(CustomerCodeParam); // // 명령문을 호출한다 DataSet dataset = this.GetDataSet(sqlSelectCommand); sqlSelectCommand.Dispose(); return(dataset); }
public LocationSet GetForLocationType(int locationType) { // Sql Command 명령문 System.Data.IDbCommand sqlSelectCommand = EnterpriseManager.DbFactory.CreateDbCommand(); sqlSelectCommand.CommandText = @"SELECT * FROM Location WHERE LocationType = @locationType order by LocationName"; sqlSelectCommand.CommandType = System.Data.CommandType.Text; // // 파라미터2값을 만든다 System.Data.IDataParameter locationTypeParam = EnterpriseManager.DbFactory.CreateDataParameter("@locationType", typeof(int)); locationTypeParam.Value = locationType; sqlSelectCommand.Parameters.Add(locationTypeParam); // // // 명령문을 호출한다 LocationSet entitySet = ((LocationSet)(this.GetEntitySet(sqlSelectCommand, typeof(LocationSet)))); sqlSelectCommand.Dispose(); return(entitySet); }
/// <summary> /// 执行存储过程 /// </summary> /// <param name="strQuerySqlId">查询ID</param> /// <param name="strControlTmp">控件列表变量</param> /// <returns></returns> public static DataSet ExecUserProcedure(string strQuerySqlId, string[,] strControlTmp) { DataSet ds = new DataSet(); DataTable dt = new DataTable(); dt = GetUserQueryInfo(strQuerySqlId); if (!string.IsNullOrEmpty(dt.Rows[0].ItemArray[6].ToString().Trim())) { int intRowCount = dt.Rows.Count; IDataParameter[] parameters = new System.Data.IDataParameter[intRowCount];//实例化参数对象 for (int i = 0; i < intRowCount; i++) { //string reval = string.Empty; string strParaName = dt.Rows[i].ItemArray[6].ToString(); switch (strControlTmp[i, 2].ToLower()) { case "int": //reval = "Int32"; parameters[i] = new SqlParameter(strParaName, SqlDbType.Int);//参数对象赋值 parameters[i].Value = string.IsNullOrEmpty(strControlTmp[i, 1]) ? null : (object)Convert.ToInt32(strControlTmp[i, 1]); break; case "text": //reval = "String"; parameters[i] = new SqlParameter(strParaName, SqlDbType.Text);//参数对象赋值 parameters[i].Value = Convert.ToString(strControlTmp[i, 1]); break; case "bigint": //reval = "Int64"; parameters[i] = new SqlParameter(strParaName, SqlDbType.BigInt);//参数对象赋值 parameters[i].Value = string.IsNullOrEmpty(strControlTmp[i, 1]) ? null : (object)Convert.ToInt64(strControlTmp[i, 1]); break; case "binary": //reval = "System.Byte[]"; parameters[i] = new SqlParameter(strParaName, SqlDbType.Binary);//参数对象赋值 parameters[i].Value = string.IsNullOrEmpty(strControlTmp[i, 1]) ? null : (object)Convert.ToByte(strControlTmp[i, 1]); break; case "bit": //reval = "Boolean"; parameters[i] = new SqlParameter(strParaName, SqlDbType.Bit);//参数对象赋值 parameters[i].Value = string.IsNullOrEmpty(strControlTmp[i, 1]) ? null : (object)Convert.ToBoolean(strControlTmp[i, 1]); break; case "char": //reval = "String"; parameters[i] = new SqlParameter(strParaName, SqlDbType.Char);//参数对象赋值 parameters[i].Value = Convert.ToString(strControlTmp[i, 1]); break; case "datetime": //reval = "System.DateTime"; parameters[i] = new SqlParameter(strParaName, SqlDbType.DateTime);//参数对象赋值 parameters[i].Value = Convert.ToDateTime(strControlTmp[i, 1]); break; case "decimal": //reval = "System.Decimal"; parameters[i] = new SqlParameter(strParaName, SqlDbType.Decimal);//参数对象赋值 parameters[i].Value = string.IsNullOrEmpty(strControlTmp[i, 1]) ? null : (object)Convert.ToDecimal(strControlTmp[i, 1]); break; case "float": //reval = "System.Double"; parameters[i] = new SqlParameter(strParaName, SqlDbType.Float);//参数对象赋值 parameters[i].Value = string.IsNullOrEmpty(strControlTmp[i, 1]) ? null : (object)Convert.ToDouble(strControlTmp[i, 1]); break; case "image": //reval = "System.Byte[]"; parameters[i] = new SqlParameter(strParaName, SqlDbType.Image);//参数对象赋值 parameters[i].Value = Convert.ToByte(strControlTmp[i, 1]); break; case "money": //reval = "System.Decimal"; parameters[i] = new SqlParameter(strParaName, SqlDbType.Money);//参数对象赋值 parameters[i].Value = string.IsNullOrEmpty(strControlTmp[i, 1]) ? null : (object)Convert.ToDecimal(strControlTmp[i, 1]); break; case "nchar": //reval = "String"; parameters[i] = new SqlParameter(strParaName, SqlDbType.NChar);//参数对象赋值 parameters[i].Value = Convert.ToString(strControlTmp[i, 1]); break; case "ntext": //reval = "String"; parameters[i] = new SqlParameter(strParaName, SqlDbType.NText);//参数对象赋值 parameters[i].Value = Convert.ToString(strControlTmp[i, 1]); break; case "numeric": //reval = "System.Decimal"; parameters[i] = new SqlParameter(strParaName, SqlDbType.Decimal);//参数对象赋值 parameters[i].Value = string.IsNullOrEmpty(strControlTmp[i, 1]) ? null : (object)Convert.ToDecimal(strControlTmp[i, 1]); break; case "nvarchar": //reval = "String"; parameters[i] = new SqlParameter(strParaName, SqlDbType.NVarChar);//参数对象赋值 parameters[i].Value = Convert.ToString(strControlTmp[i, 1]); break; case "real": //reval = "System.Single"; parameters[i] = new SqlParameter(strParaName, SqlDbType.Real);//参数对象赋值 parameters[i].Value = string.IsNullOrEmpty(strControlTmp[i, 1]) ? null : (object)Convert.ToSingle(strControlTmp[i, 1]); break; case "smalldatetime": //reval = "System.DateTime"; parameters[i] = new SqlParameter(strParaName, SqlDbType.SmallDateTime);//参数对象赋值 parameters[i].Value = Convert.ToDateTime(strControlTmp[i, 1]); break; case "smallint": //reval = "Int16"; parameters[i] = new SqlParameter(strParaName, SqlDbType.SmallInt);//参数对象赋值 parameters[i].Value = string.IsNullOrEmpty(strControlTmp[i, 1]) ? null : (object)Convert.ToInt16(strControlTmp[i, 1]); break; case "smallmoney": //reval = "System.Decimal"; parameters[i] = new SqlParameter(strParaName, SqlDbType.SmallMoney);//参数对象赋值 parameters[i].Value = string.IsNullOrEmpty(strControlTmp[i, 1]) ? null : (object)Convert.ToDecimal(strControlTmp[i, 1]); break; case "timestamp": //reval = "System.DateTime"; parameters[i] = new SqlParameter(strParaName, SqlDbType.Timestamp);//参数对象赋值 parameters[i].Value = Convert.ToDateTime(strControlTmp[i, 1]); break; case "tinyint": //reval = "System.Byte"; parameters[i] = new SqlParameter(strParaName, SqlDbType.TinyInt);//参数对象赋值 parameters[i].Value = string.IsNullOrEmpty(strControlTmp[i, 1]) ? null : (object)Convert.ToByte(strControlTmp[i, 1]); break; case "varbinary": //reval = "System.Byte[]"; parameters[i] = new SqlParameter(strParaName, SqlDbType.VarBinary);//参数对象赋值 parameters[i].Value = string.IsNullOrEmpty(strControlTmp[i, 1]) ? null : (object)Convert.ToByte(strControlTmp[i, 1]); break; case "varchar": //reval = "String"; parameters[i] = new SqlParameter(strParaName, SqlDbType.VarChar);//参数对象赋值 parameters[i].Value = Convert.ToString(strControlTmp[i, 1]); break; case "Variant": //reval = "Object"; parameters[i] = new SqlParameter(strParaName, SqlDbType.Variant);//参数对象赋值 parameters[i].Value = (object)(strControlTmp[i, 1]); break; default: //reval = "String"; parameters[i] = new SqlParameter(strParaName, SqlDbType.VarChar);//参数对象赋值 parameters[i].Value = Convert.ToString(strControlTmp[i, 1]); break; } } ds = BaseSQL.RunProcedure(Convert.ToString(dt.Rows[0].ItemArray[3]).Trim(), parameters, "dd");//执行存储过程 return(ds); } return(null); }
public void cc() { String connectionString = "Data Source=.;Initial Catalog=MyDB;User Id=sa;Password=sa;"; String dataBaseType = "SQLServer"; Draco.DB.QuickDataBase.Configuration.ConnectionInfo connInfo = new ConnectionInfo(connectionString, dataBaseType); Draco.DB.QuickDataBase.IDataBaseContext ctx = new Draco.DB.QuickDataBase.DataBaseContext(connInfo); Draco.DB.QuickDataBase.IDataBaseHandler handler = ctx.Handler; //开始数据库操作 //...... //以IDataBaseHandler对象获取Draco.DB.QuickDataBase.IDataBaseContext对象 Draco.DB.QuickDataBase.Adapter.IDataBaseAdapter adp = handler.DbAdapter; //创建单一参数对象 System.Data.IDataParameter para = adp.CreateParameter("@Para", "abc"); //快速创建参数化对象数组 Draco.DB.QuickDataBase.IDataParameters parameters = new Draco.DB.QuickDataBase.Common.DataParameters(adp); parameters.AddParameterValue("FiledNameX", 1); parameters.AddParameterValue("FiledNameY", "abc"); parameters.AddParameterValue("FiledNameZ", DateTime.Now); System.Data.IDataParameter[] _Parameters = parameters.Parameters; String SQL = "select * from tab where field1=? and (field2=? or field3>?)"; Draco.DB.QuickDataBase.ParameterizedSQL param = handler.DbAdapter.AdaptSQLAnonymousParams(SQL, 100, "ABC", DateTime.Now); DataSet ds = handler.ExecuteQuery(param.SQL, param.Parameters); Draco.DB.QuickDataBase.ISQLGenerator SQLGen = adp.GetSQLGenerator(); Draco.DB.QuickDataBase.IDataBaseSchemaHandler schemaHandler = adp.GetSchemaHandler(handler); String timeSQL = adp.NamedSQLs["Test.TimeSQL"]; Object obj = handler.ExecuteScalar(timeSQL); // ctx.Handler.StartTransaction(); ctx.Handler.CommitTransaction(); handler.StartTransaction(); handler.CommitTransaction(); using (Draco.DB.QuickDataBase.Common.DbTransactionScope scope = new DbTransactionScope(handler)) { try { //.... scope.Complete();// } catch { } } Draco.DB.ORM.IORMContext octx = new ORMContext(connInfo); Draco.DB.ORM.Schema.Vendor.ISchemaLoader Loader = octx.SchemaLoader; //获取加载器 Draco.DB.ORM.Schema.Dbml.Database dataBase = Loader.Load("Name", "Draco.DataTblCtrlLayer", null); //加载数据库构架 Draco.DB.ORM.Generator.EntityCodeGenerator Generator = new EntityCodeGenerator(dataBase); //创建代码生成器 string Code = Generator.GenerateCode("MyEntity", "GUID", true); //创建C#代码 System.IO.File.WriteAllText("D:\\MyEntity.cs", Code, System.Text.Encoding.UTF8); //输出C#代码到文件 }
public ParameterMultiValueWrapper(System.Data.IDataParameter param) : base(param) { }
protected internal ParameterWrapper(System.Data.IDataParameter param) : base(param) { }