从给定存储过程名称的SQLDataSource获取参数列表

using System;
using System.Data;
using System.Data.SqlClient;

public class SQLParameterReader
{
    private string _connectionString;

    public SQLParameterReader(string connectionString)
    {
        _connectionString = connectionString;
    }

    public DataTable GetParameters(string storedProcedureName)
    {
        using (var connection = new SqlConnection(_connectionString))
        {
            connection.Open();

            using (var command = connection.CreateCommand())
            {
                command.CommandText = "sp_sproc_columns";
                command.CommandType = CommandType.StoredProcedure;
                command.Parameters.AddWithValue("@procedure_name", storedProcedureName);

                using (var adapter = new SqlDataAdapter(command))
                {
                    var parametersTable = new DataTable();
                    adapter.Fill(parametersTable);
                    return parametersTable;
                }
            }
        }
    }
}