private void button1_Click(object sender, EventArgs e) { SqlConnection con = new SqlConnection(); con.ConnectionString= "Database= hotel; server= Roger\SQLEXPRESS"; con.Open(); SqlCommand cmd = new SqlCommand("insert into CheckIn (@TransactionId,@GuestName,@RoomType,@RoomNo,@ReservationDate,@CheckInDate,@CheckOutDate," + "@NoOfDays,@NoOfAdults,@NoOfChildren)"); cmd.Parameters.AddWithValue("@TransactionId",textBox1.Text); cmd.Parameters.AddWithValue("@GuestName", textBox2.Text); cmd.Parameters.AddWithValue("@RoomType", textBox3.Text); cmd.Parameters.AddWithValue("@RoomNo", textBox4.Text); cmd.Parameters.AddWithValue("@ReservationDate", textBox5.Text); cmd.Parameters.AddWithValue("@CheckInDate", textBox6.Text); cmd.Parameters.AddWithValue("@CheckOutDate", textBox7.Text); cmd.Parameters.AddWithValue("@NoOfDays", textBox8.Text); cmd.Parameters.AddWithValue("@NoOfAdults", textBox9.Text); cmd.Parameters.AddWithValue("@NoOfChildren", textBox10.Text); cmd.ExecuteNonQuery(); con.Close(); MessageBox.Show("DATA ADDED SUCCESSFULLY!!");
SqlConnection con = new SqlConnection(@"Data Source='your pc name\SQLEXPRESS'; UserID=sa;Password=****;Initial Catalog='MyDatabase'; IntegratedSecurity=True;");
var
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