如何将Flatter应用程序连接到SQL Server以发送查询

我创建了一个带有表的应用程序，应该使用对SQL SERVER的查询来填充表。如何使用应用程序向服务器发送请求？

您可以使用

但是，您需要在安装SQLServer的服务器计算机上安装SqlServerSocket

// creates a connection 
var conn = new SqlConnection("SERVER=localhost;Database=mydb;Trusted_connection=yes");

// open connection
await conn.open();

// runs a query returning a single value
var howmany = await conn.queryValue("SELECT COUNT(*) FROM Customers");

// runs a query returning a single row
var myFirstCustomer = await conn.querySingle("SELECT name,age FROM Custormers");
print(myFirstCustomer["name"]);

// runs a query returning all rows
var customers = await conn.query("SELECT TOP 10 name,age FROM Custormers");
for(var customer in customers)
{
   print(customer["name"]);
}

// execute a command, returning the number of rows affected
var n = await conn.execute("UPDATE Customers SET age=0");
print("zeroed $n customers");

// disconnect
await conn.close();

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我已经试过这个方法了，它不起作用。