2 // System.Data.Common.DbParameter.cs
5 // Tim Coleman (tim@timcoleman.com)
7 // Copyright (C) Tim Coleman, 2003
11 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
13 // Permission is hereby granted, free of charge, to any person obtaining
14 // a copy of this software and associated documentation files (the
15 // "Software"), to deal in the Software without restriction, including
16 // without limitation the rights to use, copy, modify, merge, publish,
17 // distribute, sublicense, and/or sell copies of the Software, and to
18 // permit persons to whom the Software is furnished to do so, subject to
19 // the following conditions:
21 // The above copyright notice and this permission notice shall be
22 // included in all copies or substantial portions of the Software.
24 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
28 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
29 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
30 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
33 #if NET_2_0 || TARGET_JVM
34 using System.ComponentModel;
36 namespace System.Data.Common {
37 public abstract class DbParameter : MarshalByRefObject, IDbDataParameter, IDataParameter
41 protected DbParameter ()
45 #endregion // Constructors
50 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
51 [RefreshProperties (RefreshProperties.All)]
52 public abstract DbType DbType { get; set; }
54 [DefaultValue (ParameterDirection.Input)]
55 [RefreshProperties (RefreshProperties.All)]
56 public abstract ParameterDirection Direction { get; set; }
59 public abstract string ParameterName { get; set; }
60 public abstract int Size { get; set; }
61 byte IDbDataParameter.Precision {
65 byte IDbDataParameter.Scale {
71 [RefreshProperties (RefreshProperties.All)]
72 public abstract object Value { get; set; }
76 [EditorBrowsable (EditorBrowsableState.Never)]
77 public abstract bool IsNullable { get; set; }
80 public abstract string SourceColumn { get; set; }
82 [RefreshProperties (RefreshProperties.All)]
83 [DefaultValue (false)]
84 [EditorBrowsable (EditorBrowsableState.Advanced)]
85 public abstract bool SourceColumnNullMapping { get; set; }
87 [DefaultValue (DataRowVersion.Current)]
88 public abstract DataRowVersion SourceVersion { get; set; }
90 #endregion // Properties
93 [EditorBrowsable (EditorBrowsableState.Advanced)]
94 public abstract void ResetDbType ();