C# 使用「;包括「;匹配lambda表达式中字符串的一部分
我有一个MVC页面,其中有三个不同的“输入”元素,都是同一个类,使用jQuery自动完成。对于其中任何一个,我都在控制器中执行此操作:C# 使用「;包括「;匹配lambda表达式中字符串的一部分,c#,jquery,asp.net-mvc-4,lambda,C#,Jquery,Asp.net Mvc 4,Lambda,我有一个MVC页面,其中有三个不同的“输入”元素,都是同一个类,使用jQuery自动完成。对于其中任何一个,我都在控制器中执行此操作: [HttpGet] public ActionResult GetAllItemsEdit(string data, string source) { List<TextValuePair> items = InventoryControlRepository.GetAllItemsTVP(); var result1 = items
[HttpGet]
public ActionResult GetAllItemsEdit(string data, string source)
{
List<TextValuePair> items = InventoryControlRepository.GetAllItemsTVP();
var result1 = items.Where(item => item.Text.Contains(data.ToUpper())).ToList();
return Json(result1, JsonRequestBehavior.AllowGet);
}
因此,TVP的text
部分中的文本必须根据源输入字段进行匹配。你知道怎么做吗?我需要以某种方式拆分item.Text
字段,并检查基本上三列数据中的一列,以匹配页面的输入
多亏了皮特的回答,我才得以完成。我必须向模型中添加一个字段,本质上是一个搜索字段,其中包含我想要的文本字段值
[HttpGet]
public ActionResult GetAllItemsEdit(string data, string source)
{
IEnumerable<ItemModel> models = InventoryControlRepository.GetAllItems();
switch (source)
{
case "txtFindSerial":
models = models.Where(x => x.SerialNumber.IndexOf(data, StringComparison.InvariantCultureIgnoreCase) > -1);
break;
case "txtFindItem":
models = models.Where(x => x.ItemNumber.IndexOf(data, StringComparison.InvariantCultureIgnoreCase) > -1);
break;
case "txtFindDescription":
models = models.Where(x => x.ItemDescription.IndexOf(data, StringComparison.InvariantCultureIgnoreCase) > -1);
break;
}
var result1 = models.Select(item => new TextValuePair() { Text = item.SearchField, Value = item.ItemNumber }).ToList();
return Json(result1, JsonRequestBehavior.AllowGet);
}
[HttpGet]
public ActionResult GetAllItemsEdit(字符串数据,字符串源)
{
IEnumerable models=InventoryControlRepository.GetAllItems();
开关(源)
{
案例“txtFindSerial”:
models=models.Where(x=>x.SerialNumber.IndexOf(data,StringComparison.InvariantCultureIgnoreCase)>-1);
打破
案例“txtFindItem”:
models=models.Where(x=>x.ItemNumber.IndexOf(data,StringComparison.InvariantCultureIgnoreCase)>-1);
打破
案例“txtFindDescription”:
models=models.Where(x=>x.itemsdescription.IndexOf(data,StringComparison.InvariantCultureIgnoreCase)>-1);
打破
}
var result1=models.Select(item=>newtextValuePair(){Text=item.SearchField,Value=item.ItemNumber}).ToList();
返回Json(result1,JsonRequestBehavior.AllowGet);
}
我会搜索您的初始项目(在您将其放入TextValuePair
列表之前),然后您可以执行以下操作
IEnumerable<Item> items = originalItemsList;
switch (source)
{
case "1": // or whatever this should be
items = items.Where(x => x.ItemNumber.IndexOf(data, StringComparison.InvariantCultureIgnoreCase) > -1);
break;
case "2": // or whatever this should be
items = items.Where(x => x.ItemDescription.IndexOf(data, StringComparison.InvariantCultureIgnoreCase) > -1);
break;
case "3": // or whatever this should be
items = items.Where(x => x.SerialNumber.IndexOf(data, StringComparison.InvariantCultureIgnoreCase) > -1);
break;
}
var result1 = items.Select(item => new TextValuePair() { text = item.Text, Value = item.ItemNumber }).ToList();
return Json(result1, JsonRequestBehavior.AllowGet);
然后有一个方法:
private static bool TextMatches(string text, string data, string source)
{
// you may want to chose a better delimiter if your text description contains a " - "
string[] textParts = text.Split(new string[] { " - " }, StringSplitOptions.None);
switch (source)
{
case "1": // or whatever this should be
return textParts[0].IndexOf(data, StringComparison.InvariantCultureIgnoreCase) > -1;
case "2": // or whatever this should be
return textParts[1].IndexOf(data, StringComparison.InvariantCultureIgnoreCase) > -1;
case "3": // or whatever this should be
return textParts[2].IndexOf(data, StringComparison.InvariantCultureIgnoreCase) > -1;
}
return false;
}
var result1 = items.Where(item => TextMatches(item.Text, data, source)).ToList();
private static bool TextMatches(string text, string data, string source)
{
// you may want to chose a better delimiter if your text description contains a " - "
string[] textParts = text.Split(new string[] { " - " }, StringSplitOptions.None);
switch (source)
{
case "1": // or whatever this should be
return textParts[0].IndexOf(data, StringComparison.InvariantCultureIgnoreCase) > -1;
case "2": // or whatever this should be
return textParts[1].IndexOf(data, StringComparison.InvariantCultureIgnoreCase) > -1;
case "3": // or whatever this should be
return textParts[2].IndexOf(data, StringComparison.InvariantCultureIgnoreCase) > -1;
}
return false;
}