Please send me the coding for connecting sql server database

            SqlConnection cnn ;
connetionString = "Data Source=ServerName;Initial Catalog=DatabaseName;User ID=UserName;Password=Password"
            cnn = new SqlConnection(connetionString);
            try
            {
                cnn.Open();
                MessageBox.Show ("Connection Open ! ");
                cnn.Close();
            }
            catch (Exception ex)
            {
                MessageBox.Show("Can not open connection ! ");
            }

Full Source....
http://csharp.net-informations.com/data-providers/csharp-sql-server-connection.htm

Caron

thank you, 
send me select,update,insert, delete coding for C#