摘要： 1 namespace WpfApplication2 2 { 3 public class SqlHelper 4 { 5 private static string connStr = ConfigurationManager.ConnectionStrings["ConnStr"].ConnectionString; 6 7 public static int ExecuteNoQuery(string sql) 8 { 9 using(SqlConnection conn=new SqlConnec... 阅读全文

摘要： namespace WpfApplication2{ /// /// MainWindow.xaml 的交互逻辑 /// public partial class MainWindow : Window { public MainWindow() { InitializeComponent(); } //连接字符串 string constr = ConfigurationManager.ConnectionStrings["ConnStr"].ConnectionSt... 阅读全文

摘要： 1 private void button1_Click(object sender, RoutedEventArgs e) 2 { 3 using (SqlConnection conn = new SqlConnection("Data Source=.;Initial Catalog=master;User ID=sa;Password=123456;")) 4 { 5 conn.Open(); 6 using (SqlCommand cmd ... 阅读全文