Db > Db Assembly Interfaces > IDatasetInstance > IDatasetInstance.FieldDefs

IDatasetInstance.FieldDefs

Syntax

Description

The FieldDefs property returns structure of all data source fields.

Example

Sub UserProc;
Var
    MB: IMetabase;
    DSInst: IDatasetInstance;
    ModelFields: IDatasetModelFields;
    i: Integer;
Begin
    MB:=MetabaseClass.Active;
    DSInst:=MB.ItemById("Table_1").Open(Null) As IDatasetInstance;
    ModelFields:=DSInst.FieldDefs;
    i:=ModelFields.Count;
    DSInst.Close;
End Sub UserProc;

After executing the example, the "i" variable contains quantity of fields of data source with the Table_1 identifier.