private void insertButton(object sender, EventArgs e) { using (var db = new SoftwareEntities()) { db.Product.Add(new Product { product_name = textBox2.Text, product_cost = Convert.ToInt32(textBox1.Text) }); db.SaveChanges(); } if (textBox1.Text == "") { MessageBox.Show("Please fill all fields!!", "Alert", MessageBoxButtons.RetryCancel, MessageBoxIcon.Error); } else if (textBox2.Text == "") { MessageBox.Show("Please fill all fields!!", "Alert", MessageBoxButtons.RetryCancel, MessageBoxIcon.Error); } else if (textBox3.Text == "") { MessageBox.Show("Please fill all fields!!", "Alert", MessageBoxButtons.RetryCancel, MessageBoxIcon.Error); } else { connection.Open(); SqlCommand command = new SqlCommand("Insert into Softwares(software_name,employee_id) values('" + textBox2.Text.ToString() + "','" + textBox3.Text.ToString() + "') ", connection); SqlCommand command2 = new SqlCommand("Insert into Product(product_name,product_cost) values('" + textBox2.Text.ToString() + "','" + textBox1.Text.ToString() + "') ", connection); command.ExecuteNonQuery(); command2.ExecuteNonQuery(); connection.Close(); showDatas(); } }
private void insertButton(object sender, EventArgs e) { if (textBox1.Text == "") { MessageBox.Show("Please fill all fields!!", "Alert", MessageBoxButtons.RetryCancel, MessageBoxIcon.Error); } else if (textBox2.Text == "") { MessageBox.Show("Please fill all fields!!", "Alert", MessageBoxButtons.RetryCancel, MessageBoxIcon.Error); } else if (textBox3.Text == "") { MessageBox.Show("Please fill all fields!!", "Alert", MessageBoxButtons.RetryCancel, MessageBoxIcon.Error); } if (textBox4.Text == "") { MessageBox.Show("Please fill all fields!!", "Alert", MessageBoxButtons.RetryCancel, MessageBoxIcon.Error); } else if (comboBox1.Text == "") { MessageBox.Show("Please fill all fields!!", "Alert", MessageBoxButtons.RetryCancel, MessageBoxIcon.Error); } else if (comboBox2.Text == "") { MessageBox.Show("Please fill all fields!!", "Alert", MessageBoxButtons.RetryCancel, MessageBoxIcon.Error); } else { using (var db = new SoftwareEntities()) { db.Customer.Add(new Customer { customer_name = textBox1.Text, customer_surname = textBox2.Text, customer_gender = (int)Convert.ToInt32(comboBox1.SelectedValue), customer_adress = textBox3.Text, customer_job = textBox4.Text, customer_soft = (int)Convert.ToInt32(comboBox2.SelectedValue) }); db.SaveChanges(); } showDatas(); //alternatif yol entitiy framework kullanma yukarda //connection.Open(); //SqlCommand command = new SqlCommand("Insert into Customer(customer_name,customer_surname,customer_gender,customer_adress,customer_job,customer_soft) values('" + textBox1.Text.ToString() + "','" + textBox2.Text.ToString() + "','" + comboBox1.SelectedValue + "','" + textBox3.Text.ToString() + "','" + textBox4.Text.ToString() + "','" + comboBox2.SelectedValue + "') select Customer.customer_gender from Customer inner join Gender ON Customer.customer_gender = Gender.gender_id", connection); //command.ExecuteNonQuery(); //connection.Close(); //showDatas(); } }
private void deleteButton(object sender, EventArgs e) { using (var db = new SoftwareEntities()) { int id = int.Parse(listView1.SelectedItems[0].SubItems[0].Text); Customer customer = new Customer { customer_id = id }; db.Entry(customer).State = EntityState.Deleted; db.SaveChanges(); } showDatas(); //connection.Open(); //int id = int.Parse(listView1.SelectedItems[0].SubItems[0].Text); //SqlCommand command = new SqlCommand("Delete from Customer where customer_id=(" + id + ")", connection); //command.ExecuteNonQuery(); //connection.Close(); }