弄清楚了.這是如何做 …

數據庫架構

CREATE TABLE `test` (

`id` BINARY(16) NOT NULL,

PRIMARY KEY (`id`)

)

碼

string connectionString = string.Format("Server={0};Database={1};Uid={2};pwd={3}", "server", "database", "user", "password");

Guid orgId = Guid.NewGuid();

Guid fromDb = Guid.Empty;

using (MySqlConnection conn = new MySqlConnection(connectionString))

{

conn.Open();

using (MySqlCommand cmd = new MySqlCommand("INSERT INTO test (id) VALUES (?id)", conn))

{

cmd.Parameters.Add("id", MySqlDbType.Binary).Value = orgId.ToByteArray();

cmd.ExecuteNonQuery();

}

using (MySqlCommand cmd = new MySqlCommand("SELECT id FROM test", conn))

{

using (MySqlDataReader r = cmd.ExecuteReader())

{

r.Read();

fromDb = new Guid((byte[])r.GetValue(0));

}

}

}

總結

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