IDataReaderExtension-Member
Provides a means of reading one or more forward-only streams of result sets obtained by executing a command at a data source, and is used by SQL Server Reporting Services to retrieve aggregation-specific information about a result set.
Der IDataReaderExtension-Typ macht die folgenden Member verfügbar.
Methoden
| Name | Beschreibung | |
|---|---|---|
.gif "Öffentliche Methode") |
Dispose | (Geerbt von IDisposable.) |
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GetFieldType | Gets the Type information corresponding to the type of object that is returned from GetValue. (Geerbt von IDataReader.) |
|
GetName | Gets the name of the field to find. (Geerbt von IDataReader.) |
|
GetOrdinal | Return the index of the named field. (Geerbt von IDataReader.) |
|
GetValue | Return the value of the specified field. (Geerbt von IDataReader.) |
|
IsAggregationField | Indicates whether the data is aggregated by the field with the given index. |
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Read | Advances the IDataReader to the next record. (Geerbt von IDataReader.) |
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Eigenschaften
| Name | Beschreibung | |
|---|---|---|
.gif "Öffentliche Eigenschaft") |
AggregationFieldCount | Gets the number of fields by which the data is aggregated. |
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FieldCount | Gets the number of fields in the data reader. (Geerbt von IDataReader.) |
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IsAggregateRow | Indicates whether the current row contains aggregate data. |
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