OdbcDataAdapter.cs source code in C# .NET

                        Code:
                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / Data / System / Data / Odbc / OdbcDataAdapter.cs / 1305376 / OdbcDataAdapter.cs
                        
                        
                            //------------------------------------------------------------------------------ 
// 
//      Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// [....] 
// [....]
//----------------------------------------------------------------------------- 
 
using System;
using System.ComponentModel; 
using System.Data;
using System.Data.Common;
using System.Threading;
 
namespace System.Data.Odbc {
 
    [ 
    DefaultEvent("RowUpdated"),
    ToolboxItem("Microsoft.VSDesigner.Data.VS.OdbcDataAdapterToolboxItem, " + AssemblyRef.MicrosoftVSDesigner), // WebData 97832 
    Designer("Microsoft.VSDesigner.Data.VS.OdbcDataAdapterDesigner, " + AssemblyRef.MicrosoftVSDesigner)
    ]
    public sealed class OdbcDataAdapter : DbDataAdapter, IDbDataAdapter, ICloneable {
 
        static private readonly object EventRowUpdated = new object();
        static private readonly object EventRowUpdating = new object(); 
 
        private OdbcCommand _deleteCommand, _insertCommand, _selectCommand, _updateCommand;
 
        public OdbcDataAdapter() : base() {
            GC.SuppressFinalize(this);
        }
 
        public OdbcDataAdapter(OdbcCommand selectCommand) : this() {
            SelectCommand = selectCommand; 
        } 

        public OdbcDataAdapter(string selectCommandText, OdbcConnection selectConnection) : this() { 
            SelectCommand = new OdbcCommand(selectCommandText, selectConnection);
        }

        public OdbcDataAdapter(string selectCommandText, string selectConnectionString) : this() { 
            OdbcConnection connection = new OdbcConnection(selectConnectionString);
            SelectCommand = new OdbcCommand(selectCommandText, connection); 
        } 

        private OdbcDataAdapter(OdbcDataAdapter from) : base(from) { 
            GC.SuppressFinalize(this);
        }

        [ 
        DefaultValue(null),
        ResCategoryAttribute(Res.DataCategory_Update), 
        ResDescriptionAttribute(Res.DbDataAdapter_DeleteCommand), 
        Editor("Microsoft.VSDesigner.Data.Design.DBCommandEditor, " + AssemblyRef.MicrosoftVSDesigner, "System.Drawing.Design.UITypeEditor, " + AssemblyRef.SystemDrawing),
        ] 
        new public OdbcCommand DeleteCommand {
            get { return _deleteCommand; }
            set { _deleteCommand = value; }
        } 

        IDbCommand IDbDataAdapter.DeleteCommand { 
            get { return _deleteCommand; } 
            set { _deleteCommand = (OdbcCommand)value; }
        } 

        [
        DefaultValue(null),
        ResCategoryAttribute(Res.DataCategory_Update), 
        ResDescriptionAttribute(Res.DbDataAdapter_InsertCommand),
        Editor("Microsoft.VSDesigner.Data.Design.DBCommandEditor, " + AssemblyRef.MicrosoftVSDesigner, "System.Drawing.Design.UITypeEditor, " + AssemblyRef.SystemDrawing), 
        ] 
        new public OdbcCommand InsertCommand {
            get { return _insertCommand; } 
            set { _insertCommand = value; }
        }

        IDbCommand IDbDataAdapter.InsertCommand { 
            get { return _insertCommand; }
            set { _insertCommand = (OdbcCommand)value; } 
        } 

        [ 
        DefaultValue(null),
        ResCategoryAttribute(Res.DataCategory_Fill),
        ResDescriptionAttribute(Res.DbDataAdapter_SelectCommand),
        Editor("Microsoft.VSDesigner.Data.Design.DBCommandEditor, " + AssemblyRef.MicrosoftVSDesigner, "System.Drawing.Design.UITypeEditor, " + AssemblyRef.SystemDrawing), 
        ]
        new public OdbcCommand SelectCommand { 
            get { return _selectCommand; } 
            set { _selectCommand = value; }
        } 

        IDbCommand IDbDataAdapter.SelectCommand {
            get { return _selectCommand; }
            set { _selectCommand = (OdbcCommand)value; } 
        }
 
        [ 
        DefaultValue(null),
        ResCategoryAttribute(Res.DataCategory_Update), 
        ResDescriptionAttribute(Res.DbDataAdapter_UpdateCommand),
        Editor("Microsoft.VSDesigner.Data.Design.DBCommandEditor, " + AssemblyRef.MicrosoftVSDesigner, "System.Drawing.Design.UITypeEditor, " + AssemblyRef.SystemDrawing),
        ]
        new public OdbcCommand UpdateCommand { 
            get { return _updateCommand; }
            set { _updateCommand = value; } 
        } 

        IDbCommand IDbDataAdapter.UpdateCommand { 
            get { return _updateCommand; }
            set { _updateCommand = (OdbcCommand)value; }
        }
 
        [
        ResCategoryAttribute(Res.DataCategory_Update), 
        ResDescriptionAttribute(Res.DbDataAdapter_RowUpdated), 
        ]
        public event OdbcRowUpdatedEventHandler RowUpdated { 
            add {
                Events.AddHandler(EventRowUpdated, value); }
            remove {
                Events.RemoveHandler(EventRowUpdated, value); } 
        }
 
        [ 
        ResCategoryAttribute(Res.DataCategory_Update),
        ResDescriptionAttribute(Res.DbDataAdapter_RowUpdating), 
        ]
        public event OdbcRowUpdatingEventHandler RowUpdating {
            add {
                OdbcRowUpdatingEventHandler handler = (OdbcRowUpdatingEventHandler) Events[EventRowUpdating]; 

                // MDAC 58177, 64513 
                // prevent someone from registering two different command builders on the adapter by 
                // silently removing the old one
                if ((null != handler) && (value.Target is OdbcCommandBuilder)) { 
                    OdbcRowUpdatingEventHandler d = (OdbcRowUpdatingEventHandler) ADP.FindBuilder(handler);
                    if (null != d) {
                        Events.RemoveHandler(EventRowUpdating, d);
                    } 
                }
                Events.AddHandler(EventRowUpdating, value); 
            } 
            remove {
                Events.RemoveHandler(EventRowUpdating, value); } 
        }


        object ICloneable.Clone() { 
            return new OdbcDataAdapter(this);
        } 
 
        override protected RowUpdatedEventArgs  CreateRowUpdatedEvent(DataRow dataRow, IDbCommand command, StatementType statementType, DataTableMapping tableMapping) {
            return new OdbcRowUpdatedEventArgs(dataRow, command, statementType, tableMapping); 
        }

        override protected RowUpdatingEventArgs CreateRowUpdatingEvent(DataRow dataRow, IDbCommand command, StatementType statementType, DataTableMapping tableMapping) {
            return new OdbcRowUpdatingEventArgs(dataRow, command, statementType, tableMapping); 
        }
 
        override protected void OnRowUpdated(RowUpdatedEventArgs value) { 
            OdbcRowUpdatedEventHandler handler = (OdbcRowUpdatedEventHandler) Events[EventRowUpdated];
            if ((null != handler) && (value is OdbcRowUpdatedEventArgs)) { 
                handler(this, (OdbcRowUpdatedEventArgs) value);
            }
            base.OnRowUpdated(value);
        } 

        override protected void OnRowUpdating(RowUpdatingEventArgs value) { 
            OdbcRowUpdatingEventHandler handler = (OdbcRowUpdatingEventHandler) Events[EventRowUpdating]; 
            if ((null != handler) && (value is OdbcRowUpdatingEventArgs)) {
                handler(this, (OdbcRowUpdatingEventArgs) value); 
            }
            base.OnRowUpdating(value);
        }
    } 
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
Link Menu

Network programming in C#, Network Programming in VB.NET, Network Programming in .NET
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
OdbcDataAdapter.cs source code in C# .NET

Source code for the .NET framework in C#

Code:

Link Menu
