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This document is archived and information here might be outdated. Recommended version. |
IField.Type Property (ArcObjects .NET 10.8 SDK)
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This document is archived and information here might be outdated. Recommended version. |
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*
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:
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 |