private void orderQueryButton_Click(object sender, EventArgs e) { if (inputOrderIdTextBox.Text != "") { orderId = Convert.ToInt32(this.inputOrderIdTextBox.Text); orderIdTextBox.Text = orderId.ToString(); if (customer != null) { if (SqlManage.orderQuery(orderId).CustomerId == customer.CustomerId) { customerIdTextBox.Text = SqlManage.orderQuery(orderId).CustomerId.ToString(); customerNameTextBox.Text = SqlManage.customerQuery(Convert.ToInt32(SqlManage.orderQuery(orderId).CustomerId)).Name; myDataGridView.DataSource = SqlManage.detailQuery(orderId).Tables[0]; } else { MessageBox.Show("该用户没有此订单!"); } } else { customerIdTextBox.Text = SqlManage.orderQuery(orderId).CustomerId.ToString(); customerNameTextBox.Text = SqlManage.customerQuery(Convert.ToInt32(SqlManage.orderQuery(orderId).CustomerId)).Name; myDataGridView.DataSource = SqlManage.detailQuery(orderId).Tables[0]; } } else { MessageBox.Show("订单号不能为空!"); } }
private void OrderQueryForm_Load(object sender, EventArgs e) { if (customer != null) { orderIdTextBox.Text = orderId.ToString(); customerIdTextBox.Text = SqlManage.orderQuery(orderId).CustomerId.ToString(); customerNameTextBox.Text = SqlManage.customerQuery(Convert.ToInt32(SqlManage.orderQuery(orderId).CustomerId)).Name; myDataGridView.DataSource = SqlManage.detailQuery(orderId).Tables[0]; } else { dealButton.Hide(); } }