private void button1_Click(object sender, EventArgs e) { if (textBox1.Text.Trim() == "" || textBox2.Text.Trim() == "" || textBox3.Text.Trim() == "" || textBox4.Text.Trim() == "" || maskedTextBox1.Text.Trim() == "" || maskedTextBox2.Text.Trim() == "") { MessageBox.Show("Не все поля заплненны!"); } else { SqlConnection conn = new SqlConnection(Program.st_connect); conn.Open(); string s1 = "Select * from Service where ID_Service='" + textBox1.Text.Trim() + "'"; SqlCommand comm1 = new SqlCommand(s1, conn); SqlDataReader read1 = comm1.ExecuteReader(); if (read1.HasRows) { MessageBox.Show("Логин занят!"); } else { read1.Close(); string s = "insert into Service (ID_Uslugi,ID_Users,ID_Instructor,Price,Start_Time,End_Time) Values" + "('" + textBox1.Text.Trim() + "'," + "' " + textBox2.Text.Trim() + "'," + "' " + textBox3.Text.Trim() + "'," + "' " + textBox4.Text.Trim() + "'," + "' " + maskedTextBox1.Text.Trim() + "'," + "' " + maskedTextBox2.Text.Trim() + "')"; SqlCommand comm = new SqlCommand(s, conn); comm.ExecuteScalar(); this.Close(); Form10 f = new Form10(); f.Show(); } conn.Close(); } }
private void button2_Click(object sender, EventArgs e) { int k = dataGridView1.CurrentRow.Index; int ID_Service = Convert.ToInt32(dataGridView1[0, k].Value); SqlConnection conn = new SqlConnection(Program.st_connect); conn.Open(); string s = "DELETE FROM Service WHERE ID_Service=" + ID_Service.ToString(); SqlCommand comm = new SqlCommand(s, conn); comm.ExecuteScalar(); conn.Close(); this.Close(); Form10 f = new Form10(); f.Show(); }
private void button9_Click(object sender, EventArgs e) { Form10 f = new Form10(); f.Show(); }