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

   1 //------------------------------------------------------------------------------
   2 // <copyright file="DbParameter.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.ComponentModel;
  13     using System.Data;
  14
  15     public abstract class DbParameter : MarshalByRefObject, IDbDataParameter { // V1.2.3300
  16
  17         protected DbParameter() : base() {
  18         }
  19
  20         [
  21         Browsable(false),
  22         DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden),
  23         RefreshProperties(RefreshProperties.All),
  24         ResCategoryAttribute(Res.DataCategory_Data),
  25         ResDescriptionAttribute(Res.DbParameter_DbType),
  26         ]
  27         abstract public DbType DbType {
  28             get;
  29             set;
  30         }
  31
  32         [
  33         EditorBrowsableAttribute(EditorBrowsableState.Advanced)
  34         ]
  35         public abstract void ResetDbType();
  36
  37         [
  38         DefaultValue(ParameterDirection.Input),
  39         RefreshProperties(RefreshProperties.All),
  40         ResCategoryAttribute(Res.DataCategory_Data),
  41         ResDescriptionAttribute(Res.DbParameter_Direction),
  42         ]
  43         abstract public ParameterDirection Direction {
  44             get;
  45             set;
  46         }
  47
  48         [
  49         Browsable(false),
  50         DesignOnly(true),
  51         EditorBrowsableAttribute(EditorBrowsableState.Never)
  52         ]
  53         abstract public Boolean IsNullable {
  54             get;
  55             set;
  56         }
  57
  58         [
  59         DefaultValue(""),
  60         ResCategoryAttribute(Res.DataCategory_Data),
  61         ResDescriptionAttribute(Res.DbParameter_ParameterName),
  62         ]
  63         abstract public String ParameterName {
  64             get;
  65             set;
  66         }
  67
  68         byte IDbDataParameter.Precision { // SqlProjectTracking 17233
  69             get {
  70                 return 0;
  71             }
  72             set {
  73             }
  74         }
  75
  76         byte IDbDataParameter.Scale { // SqlProjectTracking 17233
  77             get {
  78                 return 0;
  79             }
  80             set {
  81             }
  82         }
  83
  84         virtual public byte Precision {
  85             get {
  86                 return ((IDbDataParameter)this).Precision;
  87             }
  88             set {
  89                 ((IDbDataParameter)this).Precision = value;
  90             }
  91         }
  92
  93         virtual public byte Scale {
  94             get {
  95                 return ((IDbDataParameter)this).Scale;
  96             }
  97             set {
  98                 ((IDbDataParameter)this).Scale = value;
  99             }
 100         }
 101
 102         [
 103         ResCategoryAttribute(Res.DataCategory_Data),
 104         ResDescriptionAttribute(Res.DbParameter_Size),
 105         ]
 106         abstract public int Size {
 107             get;
 108             set;
 109         }
 110
 111         [
 112         DefaultValue(""),
 113         ResCategoryAttribute(Res.DataCategory_Update),
 114         ResDescriptionAttribute(Res.DbParameter_SourceColumn),
 115         ]
 116         abstract public String SourceColumn {
 117             get;
 118             set;
 119         }
 120
 121         [
 122         DefaultValue(false),
 123         EditorBrowsableAttribute(EditorBrowsableState.Advanced),
 124         RefreshProperties(RefreshProperties.All),
 125         ResCategoryAttribute(Res.DataCategory_Update),
 126         ResDescriptionAttribute(Res.DbParameter_SourceColumnNullMapping),
 127         ]
 128         abstract public bool SourceColumnNullMapping {
 129             get;
 130             set;
 131         }
 132
 133         [
 134         DefaultValue(DataRowVersion.Current),
 135         ResCategoryAttribute(Res.DataCategory_Update),
 136         ResDescriptionAttribute(Res.DbParameter_SourceVersion),
 137         ]
 138         virtual public DataRowVersion SourceVersion {
 139             get { return DataRowVersion.Default; }
 140             set { }
 141         }
 142
 143         [
 144         DefaultValue(null),
 145         RefreshProperties(RefreshProperties.All),
 146         ResCategoryAttribute(Res.DataCategory_Data),
 147         ResDescriptionAttribute(Res.DbParameter_Value),
 148         ]
 149         abstract public object Value {
 150             get;
 151             set;
 152         }
 153     }
 154 }
 155