public void Add(ColumnSize columnSize)
{
if (list.Exists(item => item == columnSize))
return;
list.Add(columnSize);
}
protected override void loadFromSql()
{
DataTable dt = _provider.Select("ColumnSize");
foreach (DataRow row in dt.Rows)
{
ColumnSize columnSize = new ColumnSize(row);
Add(columnSize);
}
}
