public CalculatedColumn AddCalculatedColumn(string name = null, string expression = null, string displayFolder = null)
{
Handler.BeginUpdate("add calculated column");
var column = CalculatedColumn.CreateNew(this, name);
if (!string.IsNullOrEmpty(expression))
{
column.Expression = expression;
}
if (!string.IsNullOrEmpty(displayFolder))
{
column.DisplayFolder = displayFolder;
}
Handler.EndUpdate();
return(column);
}
public TabularCalculatedColumn AddCalculatedColumn(string name, string displayFolder)
{
if (string.IsNullOrEmpty(name))
{
name = Table.Columns.GetNewName(Table.Name + " New Column");
}
var metadataObject = new CalculatedColumn()
{
Name = name, DisplayFolder = displayFolder ?? string.Empty
};
Table.Columns.Add(metadataObject);
var tabularColumn = CreateFromMetadata(metadataObject, Handler) as TabularCalculatedColumn;
_cache.Add(metadataObject, tabularColumn);
OnPropertyChanged("Children");
return(tabularColumn);
}
