public static void Con7()
{
string connectionString = ConStringConfiguration.GetConstring5();
SqlConnection con7 = new SqlConnection(connectionString);
con7.Open();
MessageBox.Show(con7.State.ToString(), "数据库状态");
}
public static void Con2()
{
string connectionString = ConStringConfiguration.GetConstring2();
SqlConnection con2 = new SqlConnection();
con2.ConnectionString = connectionString;
con2.Open();
MessageBox.Show(con2.State.ToString(), "数据库状态");
}
