Posted 14 June 2023, 2:23 pm EST
**** When saving always the value [ OnPost() ] null [ InvoiceDetails ]
// Create the data models: Define two data model classes representing the invoice header and detail
public class Invoice
{
public int Id { get; set; }
public string InvoiceNumber { get; set; }
public DateTime InvoiceDate { get; set; }
// Other invoice properties
public List<InvoiceDetail> InvoiceDetails { get; set; }
}
public class InvoiceDetail
{
public int Id { get; set; }
public int InvoiceId { get; set; }
public string ProductName { get; set; }
public decimal Quantity { get; set; }
public decimal Price { get; set; }
// Other detail properties
}
// Create the Razor Page: Add a Razor Page (Create.cshtml.cs) to handle the invoice creation and data saving.
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.RazorPages;
using System.Collections.Generic;
namespace YourNamespace.Pages.Invoices
{
public class CreateModel : PageModel
{
[BindProperty]
public Invoice Invoice { get; set; }
public void OnGet()
{
Invoice = new Invoice();
Invoice.InvoiceDetails = new List<InvoiceDetail>();
}
public void OnPost()
{
if (!ModelState.IsValid)
return Page();
// Save the invoice and its details to the database or perform other necessary actions
return RedirectToPage("Index");
}
}
}
// Create the Razor Page view: Add a Razor Page view (Create.cshtml) for the invoice creation form.
@page
@model YourNamespace.Pages.Invoices.CreateModel
@{
ViewData["Title"] = "Create Invoice";
}
<h2>@ViewData["Title"]</h2>
<form method="post">
<div class="form-group">
<label asp-for="Invoice.InvoiceNumber"></label>
<input class="form-control" asp-for="Invoice.InvoiceNumber" />
<span asp-validation-for="Invoice.InvoiceNumber" class="text-danger"></span>
</div>
<div class="form-group">
<label asp-for="Invoice.InvoiceDate"></label>
<input type="date" class="form-control" asp-for="Invoice.InvoiceDate" />
<span asp-validation-for="Invoice.InvoiceDate" class="text-danger"></span>
</div>
<h3>Invoice Details</h3>
<div id="flexGrid"></div>
<div class="container">
<div>
<c1-flex-grid id="flexGrid" auto-generate-columns="false" class="grid" is-read-only="false" allow-add-new="true" allow-delete="true" selection-mode="Row" allow-sorting="true" height="200px">
<c1-flex-grid-column asp-for="Invoice.InvoiceId" binding="Acc_No" header="Product Code"></c1-flex-grid-column>
<c1-flex-grid-column asp-for="Invoice.ProductName" binding="Product Name" header="Account Name"></c1-flex-grid-column>
<c1-flex-grid-column asp-for="Invoice.Quantity" binding="Quantity" header="Cost"></c1-flex-grid-column>
<c1-flex-grid-column asp-for="Invoice.Price" binding="Price" header="Notice"></c1-flex-grid-column>
<c1-items-source page-size="10" source-collection="@Model.Invoice.InvoiceDetails"></c1-items-source>
</c1-flex-grid>
</div>
</div>
<button type="submit" class="btn btn-primary">Save</button>
</form>
