SqlHelper..::..ExecuteScalarAsync Method (SqlConnection, String, array<Object>[]()[][])

Execute a stored procedure via a SqlCommand (that returns a 1x1 resultset) against the specified SqlConnection using the provided parameter values. This method will query the database to discover the parameters for the stored procedure (the first time each stored procedure is called), and assign the values based on parameter order.

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

Syntax

public static Task<Object> ExecuteScalarAsync(
	SqlConnection connection,
	string spName,
	params Object[] parameterValues
)

Parameters

connection: Type: SqlConnection
A valid SqlConnection

spName: Type: String
The name of the stored procedure

parameterValues: Type: array<Object>[]()[][]
An array of objects to be assigned as the input values of the stored procedure

Return Value

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

Exceptions

Exception	Condition
ArgumentNullException	connection or spName

Remarks

This method provides no access to output parameters or the stored procedure's return value parameter. e.g.: int orderCount = (int)ExecuteScalarAsync(conn, "GetOrderCount", 24, 36);