SqlHelper.ExecuteScalarAsync method (1 of 2)

namespace: Serenity.Data   assembly: Serenity.Net.Services

Executes the statement asynchronously returning a scalar value.

public static Task<object> ExecuteScalarAsync(IDbConnection connection, SqlQuery query, 
    ILogger logger = null, CancellationToken cancellationToken = default(CancellationToken))

parameter	description
connection	The connection.
query	The select query.
logger	The logger.
cancellationToken	The cancellation token.

Return Value

A task that represents the asynchronous operation. The task result contains the scalar value.

Exceptions

exception	condition
ArgumentNullException	selectQuery is null.

See Also

• class SqlQuery
• class SqlHelper

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SqlHelper.ExecuteScalarAsync method (2 of 2)

namespace: Serenity.Data   assembly: Serenity.Net.Services

Executes the statement asynchronously returning a scalar value.

public static Task<object> ExecuteScalarAsync(IDbConnection connection, string commandText, 
    IDictionary<string, object> param = null, ILogger logger = null, 
    CancellationToken cancellationToken = default(CancellationToken))

parameter	description
connection	The connection.
commandText	The command text.
param	The parameters.
logger	The logger.
cancellationToken	The cancellation token.

Return Value

A task that represents the asynchronous operation. The task result contains the scalar value.

Exceptions

exception	condition
ArgumentNullException	connection is null.

See Also

• class SqlHelper