Interface IAsyncDataReader

An asynchronous version of a IDataReader

Inherited Members
Namespace: LemonEdge.DataAccess.Core.Readers
Assembly: LemonEdge.DataAccess.Core.dll
Syntax
public interface IAsyncDataReader : IDataReader, IDataRecord, IDisposable, IAsyncDisposable

Methods

CloseAsync()

An asynchronous version of Close()

Declaration
Task CloseAsync()
Returns
Type Description
Task

GetColumnSchemaAsync(CancellationToken)

Gets the column schema

Declaration
Task<ReadOnlyCollection<DbColumn>> GetColumnSchemaAsync(CancellationToken token = default)
Parameters
Type Name Description
CancellationToken token
Returns
Type Description
Task<ReadOnlyCollection<DbColumn>>

GetFieldValueAsync<T>(int, CancellationToken)

Asynchronously gets the value of the specified column as a type

Declaration
Task<T> GetFieldValueAsync<T>(int ordinal, CancellationToken token = default)
Parameters
Type Name Description
int ordinal
CancellationToken token
Returns
Type Description
Task<T>
Type Parameters
Name Description
T

GetSchemaTableAsync(CancellationToken)

Returns a DataTable that describes the column metadata of the IDataReader. Returns null if the executed command returned no result set, or after NextResultAsync(CancellationToken) returns false.

Declaration
Task<DataTable?> GetSchemaTableAsync(CancellationToken token = default)
Parameters
Type Name Description
CancellationToken token
Returns
Type Description
Task<DataTable>

IsDbNullAsync(int, CancellationToken)

Gets a value that indicates whether the column contains non-existent or missing values.

Declaration
Task<bool> IsDbNullAsync(int ordinal, CancellationToken token = default)
Parameters
Type Name Description
int ordinal
CancellationToken token
Returns
Type Description
Task<bool>

A flag indicating the value for the provided ordinal is null

NextResultAsync(CancellationToken)

An asynchronous version of NextResult()

Declaration
Task<bool> NextResultAsync(CancellationToken token = default)
Parameters
Type Name Description
CancellationToken token
Returns
Type Description
Task<bool>

true if there are more rows; otherwise, false

ReadAsync(CancellationToken)

An asynchronous version of Read()

Declaration
Task<bool> ReadAsync(CancellationToken token = default)
Parameters
Type Name Description
CancellationToken token
Returns
Type Description
Task<bool>

true if there are more rows; otherwise, false

Extension Methods