internal void AddAt(int index, DataColumn column)
{
if (column != null && column.ColumnMapping == MappingType.SimpleContent)
{
if (_table.XmlText != null && _table.XmlText != column)
{
throw ExceptionBuilder.CannotAddColumn3();
}
if (_table.ElementColumnCount > 0)
{
throw ExceptionBuilder.CannotAddColumn4(column.ColumnName);
}
OnCollectionChanging(new CollectionChangeEventArgs(CollectionChangeAction.Add, column));
BaseAdd(column);
if (index != -1)
{
ArrayAdd(index, column);
}
else
{
ArrayAdd(column);
}
_table.XmlText = column;
}
else
{
OnCollectionChanging(new CollectionChangeEventArgs(CollectionChangeAction.Add, column));
BaseAdd(column);
if (index != -1)
{
ArrayAdd(index, column);
}
else
{
ArrayAdd(column);
}
// if the column is an element increase the internal dataTable counter
if (column.ColumnMapping == MappingType.Element)
{
_table.ElementColumnCount++;
}
}
if (!_table.fInitInProgress && column != null && column.Computed)
{
column.CopyExpressionFrom(column);
}
OnCollectionChanged(new CollectionChangeEventArgs(CollectionChangeAction.Add, column));
}
internal void AddAt(int index, DataColumn column)
{
if ((column != null) && (column.ColumnMapping == MappingType.SimpleContent))
{
if ((this.table.XmlText != null) && (this.table.XmlText != column))
{
throw ExceptionBuilder.CannotAddColumn3();
}
if (this.table.ElementColumnCount > 0)
{
throw ExceptionBuilder.CannotAddColumn4(column.ColumnName);
}
this.OnCollectionChanging(new CollectionChangeEventArgs(CollectionChangeAction.Add, column));
this.BaseAdd(column);
if (index != -1)
{
this.ArrayAdd(index, column);
}
else
{
this.ArrayAdd(column);
}
this.table.XmlText = column;
}
else
{
this.OnCollectionChanging(new CollectionChangeEventArgs(CollectionChangeAction.Add, column));
this.BaseAdd(column);
if (index != -1)
{
this.ArrayAdd(index, column);
}
else
{
this.ArrayAdd(column);
}
if (column.ColumnMapping == MappingType.Element)
{
this.table.ElementColumnCount++;
}
}
if ((!this.table.fInitInProgress && (column != null)) && column.Computed)
{
column.Expression = column.Expression;
}
this.OnCollectionChanged(new CollectionChangeEventArgs(CollectionChangeAction.Add, column));
}
