问题描述
我有两个数据库表,即“ Sales”和“ SaleItems”。 SaleId是SaleItems中的外键,但是我没有得到值。我正在将“产品”数据库表的数据同时推送到“销售”和“销售”。 SaleId正在“ Sales”表中生成,但是我没有在“ SaleItems”表中获取它。请帮忙。
这是我的查看代码
<table id="table" class="table">
<thead>
<tr>
<th scope="col">Product Id</th>
<th scope="col">Company</th>
<th scope="col">Product Name</th>
<th scope="col">User Name</th>
<th scope="col">User Mobile</th>
<th scope="col">Price per product</th>
<th scope="col">Quantity</th>
<th scope="col">Total Price</th>
</tr>
</thead>
<tbody></tbody>
<tfoot><tr><td colspan="2">Grand Total : </td><td id="GrandTotal"></td></tr></tfoot>
</table>
<script>
$('#productSelect').change(function () {
var id = $(this).val();
if (id > 0) {
$.get("GetProduct",{ productId: id },function (result) {
console.log(result)
$("tbody").append("<tr><td>" + result.ProductId + "</td><td>" + result.CompanyName + "</td><td>" + result.ProductName + "</td><td>" + result.UserName + "</td><td>" + result.UserMobile + "</td><td>" + result.ProductPrice + "</td><td><button type='button' class='btn btn-primary' onClick='subtract(" + id + "," + result.ProductPrice + ")'>-</button><button type='text' class='btn btn-dark' id='" + id + "' value='0'>0</button><button type='button' class='btn btn-primary' onClick='add(" + id + "," + result.ProductPrice + ")'>+</button></td><td id='sum" + id + "'>0</td><td><a onclick='removeRow(this)'>x</a></td></tr>")
CalculateGrandTotal();
});
}
})
$("body").on("click","#btnSave",function () {
//Loop through the Table rows and build a JSON array.
var sales = new Array();
var saleitems = new Array();
$(".table tbody tr").each(function () {
var row = $(this);
var Sale = {};
Sale.UserName = row.find("td").eq(3).html();
Sale.UserMobile = row.find("td").eq(4).html();
Sale.NetTotal = $('#GrandTotal').html();
sales.push(Sale);
var SaleItem = {};
SaleItem.ProductId = row.find("td").eq(0).html();
SaleItem.ProductName = row.find("td").eq(2).html();
SaleItem.ProductQuantity = row.find("td").eq(7).find('button[type=text]').html();
saleitems.push(SaleItem);
});
var model = { sales:sales,saleitems:saleitems };
//Send the JSON array to Controller using AJAX.
$.ajax({
type: "POST",url: "/Product/Insertsales",data: JSON.stringify(model),contentType: "application/json; charset=utf-8",dataType: "json",success: function (r) {
alert(r + " records inserted.");
}
});
});
</script>
这是我的控制器代码
public JsonResult InsertSales(List<Sale> sales,List<SaleItem> saleitems)
{
using (sampledb6Entities sampledb6Entities = new sampledb6Entities())
{
//Truncate Table to delete all old records.
//sampledb6Entities.Database.ExecutesqlCommand("TruncATE TABLE [Sales]");
//Check for NULL.
if (sales == null)
{
sales = new List<Sale>();
}
//Loop and insert records.
foreach (Sale sale in sales)
{
sampledb6Entities.Sales.Add(sale);
sampledb6Entities.SaveChanges();
}
//Check for NULL.
if (saleitems == null)
{
saleitems = new List<SaleItem>();
}
var SaleIds = sales.Select(x => x.SaleId).ToList();
int Counter = 0;
foreach (SaleItem saleitem in saleitems)
{
SaleItem si = new SaleItem();
si.SaleId = SaleIds[Counter];
si.ProductName = saleitem.ProductName;
si.ProductQuantity = saleitem.ProductQuantity;
si.ProductId = saleitem.ProductId;
sampledb6Entities.SaleItems.Add(saleitem);
Counter++;
}
int insertedRecords = sampledb6Entities.SaveChanges();
return Json(insertedRecords);
}
}
解决方法
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