当前位置: 首页>>代码示例>>C#>>正文


C# IDbConnection.QueryMultiple方法代码示例

本文整理汇总了C#中IDbConnection.QueryMultiple方法的典型用法代码示例。如果您正苦于以下问题:C# IDbConnection.QueryMultiple方法的具体用法?C# IDbConnection.QueryMultiple怎么用?C# IDbConnection.QueryMultiple使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在IDbConnection的用法示例。


在下文中一共展示了IDbConnection.QueryMultiple方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: Create

        /// <summary>
        /// 
        /// </summary>
        /// <param name="dbConnection"></param>
        /// <param name="storedProcName"></param>
        /// <param name="parameters"></param>
        /// <param name="dbTransaction"></param>
        /// <param name="commandTimeout"></param>
        /// <param name="commandType"></param>
        /// <returns></returns>
        public IGridReader Create(IDbConnection dbConnection, string storedProcName, IList<IDbParameter> parameters = null, IDbTransaction dbTransaction = null, int? commandTimeout = null,
                                  CommandType? commandType = null)
        {
            var dynamicParameters = ConvertToDynamicParameters(parameters);

            return new DapperGridReader(dbConnection.QueryMultiple(storedProcName, dynamicParameters, dbTransaction, commandTimeout, commandType));
        }
开发者ID:DoloSoftware,项目名称:PicnicOrm.Dapper,代码行数:17,代码来源:DapperGridReaderFactory.cs

示例2: Details

        // GET: Student/Details/5
        public ActionResult Details(int? id)
        {
            if (id == null)
            {
                return new HttpStatusCodeResult(HttpStatusCode.BadGateway);
            }

            _connection = Connect.Open();
            const string query = @"SELECT * from Student stu where StudentId = @id  " +
                                 "SELECT * from Enrollment enr where enr.StudentId in ( SELECT StudentId from Student stu where Studentid = @id)  " +
                                 "SELECT * FROM Course cou WHERE cou.CourseId in (SELECT CourseId from Enrollment where StudentId = @id)";

            var enrollLst = new List<Enrollment>();
            var ctr = 0;
            var studentLst = _connection.QueryMultiple(query, new { id })
                .Map<Student, Enrollment, Course, int>(
                    student => student.StudentId,
                    enrollment => ctr = enrollment.StudentId,
                    course => course.CourseId = ctr,
                    ((student, enrollments) => enrollLst = enrollments.ToList()),
                    ((student, courses) =>
                    {
                        var ctrId = 0;
                        courses.ToList().ForEach(cour =>
                        {
                            if (cour != null)
                            {
                                enrollLst[ctrId].Course = cour;
                                ctrId++;
                            }
                            else
                            {
                                enrollLst[ctrId].Course = null;
                                ctrId++;
                            }
                        });
                        student.Enrollments = enrollLst;
                    })).FirstOrDefault();

            if (studentLst == null)
            {
                return HttpNotFound();
            }
            return View(studentLst);
        }
开发者ID:armory09,项目名称:ConstosoUniversityMVCwithDapper,代码行数:46,代码来源:StudentController.cs


注:本文中的IDbConnection.QueryMultiple方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。