示例#1
0
        public object GetEnityByPrimaryKey(object objEntity)
        {
            object objResult = null;

            try
            {
                GetConnection();
                string strPrimaryKey = null;
                if (sqlCMD.Connection.State == ConnectionState.Open)
                {
                    if (sqlCMD.Connection.State == ConnectionState.Closed)
                    {
                        MySqlConnection.GetConnection.OpenConnection(sqlCon);
                    }
                    CommonMSSQL.ClearParameter(sqlCMD);

                    #region Get Primarykey Information from object
                    PropertyInfo[] properties = objEntity.GetType().GetProperties();

                    foreach (PropertyInfo property in properties)
                    {
                        var attribute = Attribute.GetCustomAttribute(property, typeof(KeyAttribute)) as KeyAttribute;
                        if (attribute != null) // This property has a KeyAttribute
                        {
                            // Do something, to read from the property:
                            //object val = property.GetValue(objPrimaryKey);
                            strPrimaryKey = ((TTAttributs)objEntity.GetType().GetProperty(property.Name).GetCustomAttribute(typeof(TTAttributs), false)).FieldName;
                            break;
                        }
                    }

                    #endregion

                    CommonMSSQL.AddParameter(sqlCMD, objEntity, strPrimaryKey);
                    sqlCMD.CommandType = CommandType.Text;
                    sqlCMD.CommandText = CommonMSSQL.PrepairSelectPrimaryKey(HelperMethod.GetTableName(objEntity).ToString(), objEntity);
                    using (SqlDataReader dr = sqlCMD.ExecuteReader())
                    {
                        objResult = FillEntityFromReader(dr, objEntity);
                        dr.Close();
                    }
                }
            }
            catch (Exception)
            {
                objResult = null;
                throw;
            }
            finally
            {
                MySqlConnection.GetConnection.CloseConnection(sqlCon);
            }
            return(objResult);
        }
示例#2
0
        public object GetEnityByPerameters(object objEntity, Dictionary <string, Enumration.Operators> parFields)
        {
            object objResult = null;

            try
            {
                GetConnection();
                if (sqlCMD.Connection.State == ConnectionState.Open)
                {
                    if (sqlCMD.Connection.State == ConnectionState.Closed)
                    {
                        MySqlConnection.GetConnection.OpenConnection(sqlCon);
                    }
                    CommonMSSQL.ClearParameter(sqlCMD);

                    for (int i = 0; i < parFields.Count; i++)
                    {
                        var el = parFields.ElementAt(i);
                        CommonMSSQL.AddParameter(sqlCMD, objEntity, el.Key);
                    }

                    sqlCMD.CommandType = CommandType.Text;
                    sqlCMD.CommandText = CommonMSSQL.PrepairSelectPerameters(parFields, HelperMethod.GetTableName(objEntity), objEntity);
                    using (SqlDataReader dr = sqlCMD.ExecuteReader())
                    {
                        objResult = FillEntityFromReader(dr, objEntity);
                        dr.Close();
                    }
                }
            }
            catch (Exception)
            {
                objResult = null;
                throw;
            }
            finally
            {
                MySqlConnection.GetConnection.CloseConnection(sqlCon);
            }
            return(objResult);
        }