在 C# 中执行带参数的存储过程

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Data.SqlClient;
using System.Data;
namespace Stored_procedure {
  internal class Program {
    static void Main(string[] args) {
      // connection with sql
      try {
        // string for connection information
        string con_str = "pass your connection path/information";
        // create connection
        using (SqlConnection con = new SqlConnection(con_str)) {
          // create sqlcommand object
          SqlCommand cmd = new SqlCommand();
          cmd.CommandText = "Write the name of your stored prcedure";
          cmd.Connection = con;
          // specify the command type
          cmd.CommandType = CommandType.StoredProcedure;

          // create object of sqlparameter class
          SqlParameter param = new SqlParameter {
            // set the name of parameter
            ParameterName = "Write your parameter name",
            // set the type of parameter
            SqlDbType = SqlDbType.Int, Value = 2,
            // you can specify the direction of parameter input/output/inputoutput
            Direction = ParameterDirection.InputOutput
          };
          // adding parameter in command
          cmd.Parameters.AddWithValue(param);
          // open connection of db
          con.Open();
          // executing the query
          cmd.ExecuteNonQuery();
        }
      } catch (Exception e) {
        Console.WriteLine(e.Message);
      }
    }
  }
}