Code:
/ DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / Data / System / Data / Common / DBCommand.cs / 1 / DBCommand.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //[....] //[....] //----------------------------------------------------------------------------- namespace System.Data.Common { using System; using System.ComponentModel; using System.Data; #if WINFSInternalOnly internal #else public #endif abstract class DbCommand : Component, IDbCommand { // V1.2.3300 protected DbCommand() : base() { } [ DefaultValue(""), RefreshProperties(RefreshProperties.All), ResCategoryAttribute(Res.DataCategory_Data), ResDescriptionAttribute(Res.DbCommand_CommandText), ] abstract public string CommandText { get; set; } [ ResCategoryAttribute(Res.DataCategory_Data), ResDescriptionAttribute(Res.DbCommand_CommandTimeout), ] abstract public int CommandTimeout { get; set; } [ DefaultValue(System.Data.CommandType.Text), RefreshProperties(RefreshProperties.All), ResCategoryAttribute(Res.DataCategory_Data), ResDescriptionAttribute(Res.DbCommand_CommandType), ] abstract public CommandType CommandType { get; set; } [ Browsable(false), DefaultValue(null), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden), ResCategoryAttribute(Res.DataCategory_Data), ResDescriptionAttribute(Res.DbCommand_Connection), ] public DbConnection Connection { get { return DbConnection; } set { DbConnection = value; } } IDbConnection IDbCommand.Connection { get { return DbConnection; } set { DbConnection = (DbConnection)value; } } abstract protected DbConnection DbConnection { // V1.2.3300 get; set; } abstract protected DbParameterCollection DbParameterCollection { // V1.2.3300 get; } abstract protected DbTransaction DbTransaction { // V1.2.3300 get; set; } // @devnote: By default, the cmd object is visible on the design surface (i.e. VS7 Server Tray) // to limit the number of components that clutter the design surface, // when the DataAdapter design wizard generates the insert/update/delete commands it will // set the DesignTimeVisible property to false so that cmds won't appear as individual objects [ DefaultValue(true), DesignOnly(true), Browsable(false), EditorBrowsableAttribute(EditorBrowsableState.Never), ] public abstract bool DesignTimeVisible { get; set; } [ Browsable(false), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden), ResCategoryAttribute(Res.DataCategory_Data), ResDescriptionAttribute(Res.DbCommand_Parameters), ] public DbParameterCollection Parameters { get { return DbParameterCollection; } } IDataParameterCollection IDbCommand.Parameters { get { return (DbParameterCollection)DbParameterCollection; } } [ Browsable(false), DefaultValue(null), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden), ResDescriptionAttribute(Res.DbCommand_Transaction), ] public DbTransaction Transaction { get { return DbTransaction; } set { DbTransaction = value; } } IDbTransaction IDbCommand.Transaction { get { return DbTransaction; } set { DbTransaction = (DbTransaction)value; } } [ DefaultValue(System.Data.UpdateRowSource.Both), ResCategoryAttribute(Res.DataCategory_Update), ResDescriptionAttribute(Res.DbCommand_UpdatedRowSource), ] abstract public UpdateRowSource UpdatedRowSource { get; set; } abstract public void Cancel(); public DbParameter CreateParameter(){ // V1.2.3300 return CreateDbParameter(); } IDbDataParameter IDbCommand.CreateParameter() { // V1.2.3300 return CreateDbParameter(); } abstract protected DbParameter CreateDbParameter(); abstract protected DbDataReader ExecuteDbDataReader(CommandBehavior behavior); abstract public int ExecuteNonQuery(); public DbDataReader ExecuteReader() { return (DbDataReader)ExecuteDbDataReader(CommandBehavior.Default); } IDataReader IDbCommand.ExecuteReader() { return (DbDataReader)ExecuteDbDataReader(CommandBehavior.Default); } public DbDataReader ExecuteReader(CommandBehavior behavior){ return (DbDataReader)ExecuteDbDataReader(behavior); } IDataReader IDbCommand.ExecuteReader(CommandBehavior behavior) { return (DbDataReader)ExecuteDbDataReader(behavior); } abstract public object ExecuteScalar(); abstract public void Prepare(); } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
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