DataTableReader.FieldCount Property
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Returns the number of columns in the current row.
public:
virtual property int FieldCount { int get(); };C#
public override int FieldCount { get; }member this.FieldCount : intPublic Overrides ReadOnly Property FieldCount As IntegerWhen not positioned in a valid result set, 0; otherwise the number of columns in the current row.
An attempt was made to retrieve the field count in a closed DataTableReader.
| Product | Versions |
|---|---|
| .NET | Core 2.0, Core 2.1, Core 2.2, Core 3.0, Core 3.1, 5, 6, 7, 8, 9, 10 |
| .NET Framework | 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1 |
| .NET Standard | 2.0, 2.1 |
Collaborate with us on GitHub
The source for this content can be found on GitHub, where you can also create and review issues and pull requests. For more information, see our contributor guide.
.NET feedback
.NET is an open source project. Select a link to provide feedback: