private void button1_Click(object sender, EventArgs e) { ManageStudent gre = new ManageStudent(); this.Hide(); gre.Show(); }
private void button1_Click(object sender, EventArgs e) { if (updatesource.var != -1) { con.Open(); string query = "update Student set FirstName = '" + textBox1.Text.ToString() + "', LastName= '" + textBox2.Text.ToString() + "' , Email='" + textBox6.Text.ToString() + "', Contact= '" + textBox3.Text.ToString() + "', RegistrationNumber= '" + textBox4.Text.ToString() + "' where Id ='" + updatesource.var + "' "; SqlCommand cmd = new SqlCommand(query, con); cmd.ExecuteNonQuery(); con.Close(); MessageBox.Show("Successfull"); } else { con.Open(); string query = "INSERT INTO Student(FirstName,LastName ,Email, Contact,RegistrationNumber,Status) values('" + textBox1.Text.ToString() + "','" + textBox2.Text.ToString() + "','" + textBox6.Text.ToString() + "','" + textBox3.Text.ToString() + "','" + textBox4.Text.ToString() + "', '" + Convert.ToInt32(textBox5.Text) + "')"; SqlCommand cmd = new SqlCommand(query, con); cmd.ExecuteNonQuery(); con.Close(); MessageBox.Show("Successfull"); } ManageStudent frm = new ManageStudent(); this.Hide(); frm.Show(); }