private void buttonTestConnection_Click(object sender, EventArgs e) { if (textBoxServer.Text == "" || textBoxDataBase.Text == "") { MessageBox.Show("Server与DataBase不能为空!"); } else { try { using (SqlConnection sqlConnection = new SqlConnection (System.Text.RegularExpressions.Regex.Unescape (connection.CreateConnectionString (textBoxServer.Text, textBoxDataBase.Text, textBoxuid.Text, textBoxpwd.Text)))) { sqlConnection.Open(); MessageBox.Show("连接成功!"); } } catch (Exception exception) { MessageBox.Show(exception.Message); } } }