SqlHelper..::..ExecuteScalarAsync Method (SqlTransaction, CommandType, String, array<SqlParameter>[]()[][])

Execute a SqlCommand (that returns a 1x1 resultset) against the specified SqlTransaction using the provided parameters.

Namespace: Core
Assembly: Core (in Core.dll)

Syntax

public static Task<Object> ExecuteScalarAsync(
	SqlTransaction transaction,
	CommandType commandType,
	string commandText,
	params SqlParameter[] commandParameters
)

Parameters

transaction: Type: SqlTransaction
A valid SqlTransaction

commandType: Type: CommandType
The CommandType (stored procedure, text, etc.)

commandText: Type: String
The stored procedure name or T-SQL command

commandParameters: Type: array<SqlParameter>[]()[][]
An array of SqlParamters used to execute the command

Return Value

An object containing the value in the 1x1 resultset generated by the command

Exceptions

Exception	Condition
ArgumentNullException	transaction
ArgumentException	The transaction was rollbacked or commited, please provide an open transaction. - transaction

Remarks

e.g.: int orderCount = (int)ExecuteScalarAsync(trans, CommandType.StoredProcedure, "GetOrderCount", new SqlParameter("@prodid", 24));