如何正确使用SqlConnection
1个回答
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ublic class Service1 : IService1
{
private SqlConnection conn = new SqlConnection();
public void Method1()
{
//do something with conn;
}
public void Method2()
{
//do something with conn;
}
public void Method3()
{
//do something with conn;
}
public void Method4()
{
private SqlConnection conn = new SqlConnection();
public void Method1()
{
//do something with conn;
}
public void Method2()
{
//do something with conn;
}
public void Method3()
{
//do something with conn;
}
public void Method4()
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