The type of the field.
[Visual Basic .NET] Public ReadOnly Property Type As esriFieldType
[C#] public esriFieldType Type {get;}
[C++]
HRESULT get_Type(
esriFieldType* Type
);
[C++]Parameters
Type [out, retval]Type is a parameter of type esriFieldType
Product Availability
Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.
Remarks
For more information on the relation between esriFieldType values and the underlying SDE and DBMS data types, see the following articles in the ArcGIS Help:
- "A comparison of ArcGIS, ArcSDE, and DB2 data types"
- "A comparison of ArcGIS, ArcSDE, and Informix data types"
- "A comparison of ArcGIS, ArcSDE, and PostgreSQL data types"
- "A comparison of ArcGIS, ArcSDE, and Oracle data types"
- "A comparison of ArcGIS, ArcSDE, and SQL Server data types"
The following table outlines the equivalent field data types in ArcCatalog, ArcObjects and .NET:
| ArcCatalog |
esriFieldType (IField::Type) |
.NET Variable Type |
|---|---|---|
| Short Integer | esriFieldTypeSmallInteger | System.Int16 |
| Long Integer | esriFieldTypeInteger | System.Int32 |
| Float | esriFieldTypeSingle | System.Single |
| Double | esriFieldTypeDouble | System.Double |
| Text | esriFieldTypeString | System.String |
| Date | esriFieldTypeDate | System.DateTime |
| Object ID | esriFieldTypeOID | System.Int32 |
| Geometry | esriFieldTypeGeometry | ESRI.ArcGIS.Geometry.IGeometry |
| Blob | esriFieldTypeBlob | ESRI.ArcGIS.esriSystem.IMemoryBlobStream |
| Raster | esriFieldTypeRaster | ESRI.ArcGIS.Geodatabase.IRasterValue |
| GUID | esriFieldTypeGUID | System.String |
| GlobalID | esriFieldTypeGlobalID | System.String |
The following table outlines the Coverage, INFO Item to Geodatabase field mapping:
| Item type | Item width | Geodatabase field type (esriFieldType) |
|---|---|---|
| B | 4 | esriFieldTypeInteger |
| C | 1-320 | esriFieldTypeString |
| D | 8 | esriFieldTypeDate |
| F | 4 | esriFieldTypeSingle |
| F | 8 | esriFieldTypeDouble |
| I | 1-4 | esriFieldTypeSmallInteger |
| I | 5-9 | esriFieldTypeInteger |
| I | 10-16 | esriFieldTypeDouble |
| N | 1-9 | esriFieldTypeSingle |
| N | 10-16 | esriFieldTypeDouble |
The following table outlines the Shapefile, dBASE field to Geodatabase field mapping:
| Field type | Field width | Geodatabase field type (esriFieldType) |
|---|---|---|
| Date | - | esriFieldTypeDate |
| String | 1-255 | esriFieldTypeString |
| Boolean | - | esriFieldTypeString |
| Number | 1-16 (decimals = 0) | esriFieldTypeInteger |
| Number | 1-16 (decimals > 0) | esriFieldTypeDouble |