.NetCore MariaDb Dapper - How to Execute Stored procedure? - mysql

Question

I have an issue executing a stored procedure using Dapper with Mysql (MariaDB).
Here is the stored procedure:
CREATE DEFINER = `user` #`%`
PROCEDURE database.`proc_EnterRow`(
IN `_entity_number` INT(11),
IN `_price` DECIMAL(19, 13),
IN `_valuation_date` DATETIME)
LANGUAGE SQL
NOT DETERMINISTIC
NO SQL
SQL SECURITY DEFINER
BEGIN
INSERT INTO tablename (entity_number,
entity_name,
valuation_date,
units,
price,
investor_code,
currency,
provisional,
isin,
type,
batchno,
maturity_date,
fx_rate,
transaction_id,
bond_reserves,
bond_reserves_percentage,
bond_reserves_conv,
sold,
verified)
SELECT entity_number,
entity_name,
_valuation_date,
units,
_price,
investor_code,
currency,
provisional,
isin,
type,
batchno,
maturity_date,
fx_rate,
transaction_id,
bond_reserves,
bond_reserves_percentage,
bond_reserves_conv,
sold,
verified
FROM tablename2 v
WHERE v.entity_number = _entity_number`;
END;
The stored procedure works fine when I execute from an sql editor using
call proc_EnterRow(111,123.5456,'2021-07-09');
But when I call it from my .Net Core with Dapper ORM I keep getting the error message
Incorrect number of arguments for PROCEDURE database.proc_EnterRow; expected 3, got 0
My code .Net code
DynamicParameters_parameters = new DynamicParameters();
_parameters.Add("#_entity_number", 111, DbType.Int32, SetDirection(parameterDirection), 11);
_parameters.Add("#_price", 123.5501, DbType.Decimal, SetDirection(parameterDirection));
_parameters.Add("#_valuation_date", "2021-01-01", DbType.Date, SetDirection(parameterDirection);
_dapper.Execute("dbname.proc_EnterRow", _parameters, commandType: CommandType.StoredProcedure);
Thank you in advance for your help.

Answer 1

var resulst = _dapper.Query<YourEntity>("dbname.proc_EnterRow",
new { _entity_number = 111, _price = 123.5501, _valuation_date = 2021-07-09},
commandType: CommandType.StoredProcedure);

Answer 2

Seems your are trying to execute a stored procedure on your Maria Db from ASP.NET Core.
You are getting the error because the stored procedure parameters haven't been passed exactly.
You could try this way:
string name = "Kiron Test";
int employeeId = 520520;
int totalPrint = 10;
var enterNewRowInDb = new List<PrinterJob>();
enterNewRowInDb = _context.PrinterJobs
.FromSql("proc_EnterRow {0}, {1},{2}",name,employeeId,totalPrint)
.ToList();
Output:
Another way:
using (var connection = new SqlConnection("Server=ServerName;Database=DbName;Trusted_Connection=True;MultipleActiveResultSets=true"))
{
connection.Open();
var command = connection.CreateCommand();
command.CommandType = CommandType.StoredProcedure;
command.CommandText = "proc_EnterRow";
command.Parameters.AddWithValue("#Name", name);
command.Parameters.AddWithValue("#EmployeeId", employeeId);
command.Parameters.AddWithValue("#TotalPrint", totalPrint);
command.ExecuteNonQuery();
connection.Close();
}
Note: it won't return your select query data. To get that you have to execute a data reader operations.
Hope it would help you. Let me know if you any further concern.