RowUpdatingEventArgs.cs

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namespace System.Data.Common;
 
public class RowUpdatingEventArgs : EventArgs
{
    private IDbCommand _command;
 
    private readonly StatementType _statementType;
 
    private readonly DataTableMapping _tableMapping;
 
    private Exception _errors;
 
    private readonly DataRow _dataRow;
 
    private UpdateStatus _status;
 
    protected virtual IDbCommand? BaseCommand
    {
        get
        {
            return _command;
        }
        set
        {
            _command = value;
        }
    }
 
    public IDbCommand? Command
    {
        get
        {
            return BaseCommand;
        }
        set
        {
            BaseCommand = value;
        }
    }
 
    public Exception? Errors
    {
        get
        {
            return _errors;
        }
        set
        {
            _errors = value;
        }
    }
 
    public DataRow Row => _dataRow;
 
    public StatementType StatementType => _statementType;
 
    public UpdateStatus Status
    {
        get
        {
            return _status;
        }
        set
        {
            if ((uint)value <= 3u)
            {
                _status = value;
                return;
            }
            throw ADP.InvalidUpdateStatus(value);
        }
    }
 
    public DataTableMapping TableMapping => _tableMapping;
 
    public RowUpdatingEventArgs(DataRow dataRow, IDbCommand? command, StatementType statementType, DataTableMapping tableMapping)
    {
        ADP.CheckArgumentNull(dataRow, "dataRow");
        ADP.CheckArgumentNull(tableMapping, "tableMapping");
        switch (statementType)
        {
        case StatementType.Batch:
            throw ADP.NotSupportedStatementType(statementType, "RowUpdatingEventArgs");
        default:
            throw ADP.InvalidStatementType(statementType);
        case StatementType.Select:
        case StatementType.Insert:
        case StatementType.Update:
        case StatementType.Delete:
            _dataRow = dataRow;
            _command = command;
            _statementType = statementType;
            _tableMapping = tableMapping;
            break;
        }
    }
}