public static Table <T> AddColumn <T, TValue>(
this Table <T> table,
Expression <Func <T, TValue> > expression = null,
string title = null,
Type dataType = null,
string format = null,
bool?convertEmptyStringToNull = null,
bool?encodeValue = null,
string nullDisplayText = null,
CultureInfo culture = null,
Func <T, object> select = null)
{
var tableColumn = new TableColumn <T>();
if (expression != null)
{
var metadata = Metadata.Create(expression);
tableColumn.DataType = dataType ?? (metadata.DataType == null ? typeof(string) : ConvertUtilities.GetType(metadata.DataType)) ?? typeof(string);
tableColumn.Format = format ?? metadata.DisplayFormat;
tableColumn.Title = title ?? metadata.DisplayName;
tableColumn.ConvertEmptyStringToNull = convertEmptyStringToNull ?? metadata.ConvertEmptyStringToNull;
tableColumn.NullDisplayText = nullDisplayText ?? metadata.NullDisplayText;
tableColumn.EncodeValue = encodeValue ?? metadata.EncodeValue;
}
else
{
tableColumn.DataType = dataType ?? typeof(string);
tableColumn.Format = format;
tableColumn.Title = title;
if (convertEmptyStringToNull.HasValue)
{
tableColumn.ConvertEmptyStringToNull = convertEmptyStringToNull.Value;
}
tableColumn.NullDisplayText = nullDisplayText;
if (encodeValue.HasValue)
{
tableColumn.EncodeValue = encodeValue.Value;
}
}
if (culture != null)
{
tableColumn.Culture = culture;
}
if (select == null && expression != null)
{
var func = expression.Compile();
tableColumn.SelectFunction = obj => func(obj);
}
else
{
tableColumn.SelectFunction = select;
}
table.Columns.Add(tableColumn);
return(table);
}