C# 显示的数据取决于从数据库asp.net下载的其他数据
问题描述:C# 显示的数据取决于从数据库asp.net下载的其他数据,c#,asp.net,asp.net-mvc,asp.net-core,devexpress,C#,Asp.net,Asp.net Mvc,Asp.net Core,Devexpress,问题描述: using System; using System.Collections.Generic; using AppEcp.Models; using System.Linq; using System.Threading.Tasks; using Microsoft.AspNetCore.Mvc; using System.ComponentModel.DataAnnotations; namespace App.Models { public partial cla
using System;
using System.Collections.Generic;
using AppEcp.Models;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc;
using System.ComponentModel.DataAnnotations;
namespace App.Models
{
public partial class Members_Model
{
public int Id { get; set; }
public string Login { get; set; }
public string Name { get; set; }
public string Surname { get; set; }
}
public partial class MembersDbContext : DbContext
{
public MembersDbContext() { }
public virtual DbSet<Members_Model> Members { get; set; }
public MembersDbContext(DbContextOptions<MembersDbContext> options) : base(options) { }
protected override void OnModelCreating(ModelBuilder modelBuilder) { }
}
}
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Logging;
using App.Models;
using Newtonsoft.Json;
using DevExtreme.AspNet.Data;
using DevExtreme.AspNet.Mvc;
namespace App.Controllers
{
public class MembersController : Controller
{
private readonly MembersDbContext _membersContext;
public MembersController(MembersDbContext membersContext)
{
_membersContext = membersContext;
}
public IActionResult GetItems(DataSourceLoadOptions loadOptions)
{
var GetMethod = _membersContext.Members.Select(i => new
{
i.Id,
i.Login,
i.Name,
i.Surname
});
return Json(DataSourceLoader.Load(GetMethod, loadOptions));
}
public ActionResult GetNameAndSurname()
{
return;
}
}
}
我正在将“登录”列从数据库下载到我的选择框
我还有两个字段:2x textbox
我尝试在selectbox中进行选择,选择后
他们从数据库中的同一行下载到文本框,但从名称和姓氏列下载
型号代码:
using System;
using System.Collections.Generic;
using AppEcp.Models;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc;
using System.ComponentModel.DataAnnotations;
namespace App.Models
{
public partial class Members_Model
{
public int Id { get; set; }
public string Login { get; set; }
public string Name { get; set; }
public string Surname { get; set; }
}
public partial class MembersDbContext : DbContext
{
public MembersDbContext() { }
public virtual DbSet<Members_Model> Members { get; set; }
public MembersDbContext(DbContextOptions<MembersDbContext> options) : base(options) { }
protected override void OnModelCreating(ModelBuilder modelBuilder) { }
}
}
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Logging;
using App.Models;
using Newtonsoft.Json;
using DevExtreme.AspNet.Data;
using DevExtreme.AspNet.Mvc;
namespace App.Controllers
{
public class MembersController : Controller
{
private readonly MembersDbContext _membersContext;
public MembersController(MembersDbContext membersContext)
{
_membersContext = membersContext;
}
public IActionResult GetItems(DataSourceLoadOptions loadOptions)
{
var GetMethod = _membersContext.Members.Select(i => new
{
i.Id,
i.Login,
i.Name,
i.Surname
});
return Json(DataSourceLoader.Load(GetMethod, loadOptions));
}
public ActionResult GetNameAndSurname()
{
return;
}
}
}
我试过:
要在此ajax中使用jquery,请在selectbox中更改.OnValueChanged以在Controller中运行函数
查看
@(Html
.DevExtreme()
.SelectBox()
.ID("id_login")
.DataSource(d => d
.Mvc()
.Controller("Members")
.Key("Id")
.LoadAction("GetItems")
)
.DisplayExpr("Login")
.ValueExpr("Id")
.SearchEnabled(true)
.OnValueChanged("getMyFuntion")
)
@(Html.DevExtreme().TextBox()
.ID("tx01")
.ReadOnly(true)
)
@(Html.DevExtreme().TextBox()
.ID("tx02")
.ReadOnly(true)
)
<script>
function getMyFuntion() {
var Vtx01= "?";
var Vtx02 = "?";
$.ajax({
type: "GET",
url: "@Url.Action("GetNameAndSurname")",
contentType: 'application/json; charset=utf-8',
dataType: "?",
success: function (res) {
document.getElementById("tx01").value = "?";
document.getElementById("tx02").value = "?";
},
failure: function (response, error) {
alert(error);
},
error: function (req, status, error) {
alert(error);
}
});
}
</script>
@(Html)
.DevExtreme()
.SelectBox()
.ID(“ID\u登录”)
.DataSource(d=>d
.Mvc()
.财务总监(“成员”)
.Key(“Id”)
.LoadAction(“GetItems”)
)
.DisplayExpr(“登录”)
.ValueExpr(“Id”)
.SearchEnabled(真)
.OnValueChanged(“GetMyFunction”)
)
@(Html.DevExtreme().TextBox())
.ID(“tx01”)
.只读(true)
)
@(Html.DevExtreme().TextBox())
.ID(“tx02”)
.只读(true)
)
函数getMyFunction(){
var Vtx01=“?”;
变量Vtx02=“?”;
$.ajax({
键入:“获取”,
url:“@url.Action”(“GetNameandNames”)”,
contentType:'application/json;charset=utf-8',
数据类型:“?”,
成功:功能(res){
document.getElementById(“tx01”).value=“?”;
document.getElementById(“tx02”).value=“?”;
},
故障:功能(响应、错误){
警报(错误);
},
错误:功能(请求、状态、错误){
警报(错误);
}
});
}
我不知道如何处理这个问题,我无法编写代码来加载值从数据库输入文本框(取决于选择框上的所选项目)将参数赋予控制器函数getnameand姓氏(字符串登录) 然后是这样的: 控制器
[WebGet(UriTemplate = "/GetNameAndSurname/{login}")]
public ActionResult GetNameAndSurname(string login){
urDB.Where(x=>x.login == login).Select(s=> new Members_Model {
Name = s.Name,
Surname = s.Surname
});
.. and some stuff u want too... than return...
}
那么ajax将看起来像:
$.ajax({
type: "GET",
url: "@Url.Action("GetNameAndSurname")",
data: {"Login" : valueOfLoginFromUrWebPage}
......
});