static public EntityFieldDef AddEntityFieldDef(Guid entityDefId, string fieldName, string caption, DataTypes dataType, int length)
{
FieldMetadata metadata = MetadataManager.NewDataNode((int)DataNodeTypes.Field) as FieldMetadata;
metadata.Initialize(
Guid.NewGuid(),
fieldName,
(int)DataNodeTypes.Field,
entityDefId);
metadata.Caption = caption;
metadata.Nullable = true;
if (dataType == DataTypes.String)
{
if (length < 0)
{
metadata.Length = 0;
}
if (length > 256)
{
metadata.Length = 256;
}
}
else
{
metadata.Length = 0;
}
try
{
MetadataManager.CreateDataNode(metadata);
}
catch (Exception ex)
{
throw new MetadataException(ex.Message, ex);
}
return(FieldMetadataToFieldDef(metadata));
}