/// <include file='doc\DataRow.uex' path='docs/doc[@for="DataRow.BeginEdit"]/*' />
/// <devdoc>
/// <para>Begins an edit operation on a <see cref='System.Data.DataRow'/>object.</para>
/// </devdoc>
public void BeginEdit()
{
if (inChangingEvent)
{
throw ExceptionBuilder.BeginEditInRowChanging();
}
if (tempRecord != -1)
{
return;
}
if (oldRecord != -1 && newRecord == -1)
{
throw ExceptionBuilder.DeletedRowInaccessible();
}
tempRecord = Table.NewRecord(newRecord);
}
private bool BeginEditInternal()
{
if (this.inChangingEvent)
{
throw ExceptionBuilder.BeginEditInRowChanging();
}
if (this.tempRecord != -1)
{
if (this.tempRecord < this._table.recordManager.LastFreeRecord)
{
return(false);
}
this.tempRecord = -1;
}
if ((this.oldRecord != -1) && (this.newRecord == -1))
{
throw ExceptionBuilder.DeletedRowInaccessible();
}
this.ResetLastChangedColumn();
this.tempRecord = this._table.NewRecord(this.newRecord);
return(true);
}