mcs/class/referencesource/System.Data/System/Data/Common/RowUpdatingEventArgs.cs

   1 //------------------------------------------------------------------------------
   2 // <copyright file="RowUpdatingEventArgs.cs" company="Microsoft">
   3 //      Copyright (c) Microsoft Corporation.  All rights reserved.
   4 // </copyright>
   5 // <owner current="true" primary="true">[....]</owner>
   6 // <owner current="true" primary="false">[....]</owner>
   7 //------------------------------------------------------------------------------
   8
   9 namespace System.Data.Common {
  10
  11     using System;
  12     using System.Data;
  13
  14 /*
  15     public delegate void RowUpdatingEventHandler(object sender, RowUpdatingEventArgs e);
  16 */
  17
  18     public class RowUpdatingEventArgs : System.EventArgs {
  19         private IDbCommand _command;
  20         private StatementType _statementType;
  21         private DataTableMapping _tableMapping;
  22         private Exception _errors;
  23
  24         private DataRow _dataRow;
  25         private UpdateStatus _status; // UpdateStatus.Continue; /*0*/
  26
  27         public RowUpdatingEventArgs(DataRow dataRow, IDbCommand command, StatementType statementType, DataTableMapping tableMapping) {
  28             ADP.CheckArgumentNull(dataRow, "dataRow");
  29             ADP.CheckArgumentNull(tableMapping, "tableMapping");
  30             switch(statementType) {
  31             case StatementType.Select:
  32             case StatementType.Insert:
  33             case StatementType.Update:
  34             case StatementType.Delete:
  35                 break;
  36             case StatementType.Batch:
  37                 throw ADP.NotSupportedStatementType(statementType, "RowUpdatingEventArgs");
  38             default:
  39                 throw ADP.InvalidStatementType(statementType);
  40             }
  41             _dataRow = dataRow;
  42             _command = command; // maybe null
  43             _statementType = statementType;
  44             _tableMapping = tableMapping;
  45         }
  46
  47         //
  48         virtual protected IDbCommand BaseCommand {
  49             get {
  50                 return _command;
  51             }
  52             set {
  53                 _command = value;
  54             }
  55         }
  56
  57         public IDbCommand Command {
  58             get {
  59                 return BaseCommand;
  60             }
  61             set {
  62                 BaseCommand = value;
  63             }
  64         }
  65
  66         public Exception Errors {
  67             get {
  68                 return _errors;
  69             }
  70             set {
  71                 _errors = value;
  72             }
  73         }
  74
  75         public DataRow Row {
  76             get {
  77                 return _dataRow;
  78             }
  79         }
  80
  81         public StatementType StatementType {
  82             get {
  83                 return _statementType;
  84             }
  85         }
  86
  87         public UpdateStatus Status {
  88             get {
  89                 return _status;
  90             }
  91             set {
  92                 switch(value) {
  93                 case UpdateStatus.Continue:
  94                 case UpdateStatus.ErrorsOccurred:
  95                 case UpdateStatus.SkipCurrentRow:
  96                 case UpdateStatus.SkipAllRemainingRows:
  97                     _status = value;
  98                     break;
  99                 default:
 100                     throw ADP.InvalidUpdateStatus(value);
 101                 }
 102             }
 103         }
 104
 105         public DataTableMapping TableMapping {
 106             get {
 107                 return _tableMapping;
 108             }
 109         }
 110     }
 111 }