C# 调用SQL的存储过程的接口及实现

1. 接口为ExecuteStoredProcedure(string storedProcedureName, params ObjectParameter[] parameters)

2. 参数为存储过程名字， 及输入值。

3. 思路：创建连接（连接中指定了是Sql/MySql/ODBC等等）； 创建通用DbCommand；更改Text以及Type；添加通用Parameter（DBParameter是抽象类，因此需要判断connection类型）；判断连接状态（需Open）； 调用Execute方法； 关闭连接。

4.

实现如下:

// In V1 of the EF, the context connection is always an EntityConnection
                EntityConnection entityConnection = (EntityConnection)protocolDB.Connection;

                // The EntityConnection exposes the underlying store connection
                DbConnection storeConnection = entityConnection.StoreConnection;
                DbCommand command = storeConnection.CreateCommand();
                command.CommandText = storedProcedureName;
                command.CommandType = CommandType.StoredProcedure;

                if (storeConnection is SqlConnection)
                {
                    foreach (ObjectParameter p in parameters)
                    {
                        command.Parameters.Add(new SqlParameter { ParameterName = p.Name, Value = p.Value });
                    }
                }
                else if (storeConnection is MySqlConnection)
                {
                    foreach (ObjectParameter p in parameters)
                    {
                        command.Parameters.Add(new MySqlParameter { ParameterName = p.Name, Value = p.Value });
                    }
                }
                else
                {
                    return enProtocolDBReturnCodes.OPERATION_FAILED;
                }

                bool openingConnection = command.Connection.State == ConnectionState.Closed;
                if (openingConnection)
                {
                    command.Connection.Open();
                }

                command.ExecuteNonQuery();

                if (openingConnection && command.Connection.State == ConnectionState.Open)
                {
                    command.Connection.Close();
                }