/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: hashminet https://cdn.slidesharecdn.com/profile-photo-hashminet-48x48.jpg?cb=1523432311 "***good memories***' class gernal { SqlConnection con = new SqlConnection("Data Source=lab6-136;Initial Catalog=abdullahtask;User ID=sa;password=aptech"); public void runquery(string query) { SqlCommand cmd = new SqlCommand(query, con); con.Open(); cmd.ExecuteNonQuery(); con.Close(); } //select public DataTable runSelect(string q) { SqlCommand cmd = new SqlCommand(q, con); SqlDataAdapter da = new SqlDataAdapter(cmd); DataTable dt = new DataTable(); da.Fill(dt); return dt; } } _______________________________________________________________________ public partial class Form1 : Form { gernal g = new gernal(); public Form1() { InitializeComponent(); } private void button1_C