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Coolite Cool Study 1 在Grid中用ComboBox 来编辑数据
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官方有一个关于Grid CURD 的例子：http://examples.coolite.com/Examples/GridPanel/WebService_Connections/HandlerUsing/   我在其基础上稍微修改一下， 用ComboBox作为Grid的Editor：

 

先show一下效果给大家坚持看下去的动力：

Coolite Cool Study 1 在Grid中用ComboBox 来编辑数据

关键代码：
复制代码 代码如下:
<ext:Column ColumnID="ContactName" DataIndex="ContactName" Header="Contact Name"
Width="150">
<Editor>
<ext:ComboBox ID="ComboBox1" runat="server" StoreID="stoContactName" DisplayField="Name"
ValueField="Name" TypeAhead="false" LoadingText="Searching..." Width="570" PageSize="10"
Editable="true" Mode="Remote" MinListWidth="200" ItemSelector="tr.search-item"
MinChars="1" MsgTarget="Side" TriggerAction="All" Grow="true">
<CustomConfig>
<ext:ConfigItem Name="tpl" Value="#{TplContactName}" Mode="Raw" />
</CustomConfig>
</ext:ComboBox>
</Editor>
</ext:Column>

由于ComboBox作为Editor，是不能直接配置模板的，所以模板要独立写：
复制代码 代码如下:
<ext:XTemplate ID="TplContactName" runat="server">
<div>
<table id="data_table" class="t1">
<thead>
<tr>
<th>
Name
</th>
<th>
Desc
</th>
</tr>
</thead>
<tbody>
<tpl for=".">
<tr class="search-item">
<td>{Name}</td>
<td>{Desc}</td>
</tr>
</tpl>
</tbody>
</table>
</div>
</ext:XTemplate>

再加上这个比较Cool的table样式就基本上完成了:
复制代码 代码如下:

body, table.t1
{
font-size: 12px;
}
table.t1
{
table-layout: fixed;
empty-cells: show;
border-collapse: collapse;
margin: 0 auto;
}
td
{
height: 20px;
}
h1, h2, h3
{
font-size: 12px;
margin: 0;
padding: 0;
}
table.t1
{
border: 1px solid #cad9ea;
color: #666;
}
table.t1 th
{
background-image: url(/extjs/resources/images/default/panel/white-top-bottom-gif/coolite.axd);
background-repeat: repeat-x;
height: 22px;
}
table.t1 td, table.t1 th
{
border: 1px solid #cad9ea;
padding: 0 1em 0;
}
table.t1 tr.a1
{
background-color: #f5fafe;
}

Enjoy yourself！
完整的代码：
Html
复制代码 代码如下:
<%@ Page Language="C#" AutoEventWireup="true"%>
<%@ Register Assembly="Coolite.Ext.Web" Namespace="Coolite.Ext.Web" TagPrefix="ext" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
<style type="text/css"><!--
body, table.t1
{
font-size: 12px;
}
table.t1
{
table-layout: fixed;
empty-cells: show;
border-collapse: collapse;
margin: 0 auto;
}
td
{
height: 20px;
}
h1, h2, h3
{
font-size: 12px;
margin: 0;
padding: 0;
}
table.t1
{
border: 1px solid #cad9ea;
color: #666;
}
table.t1 th
{
background-image: url(/extjs/resources/images/default/panel/white-top-bottom-gif/coolite.axd);
background-repeat: repeat-x;
height: 22px;
}
table.t1 td, table.t1 th
{
border: 1px solid #cad9ea;
padding: 0 1em 0;
}
table.t1 tr.a1
{
background-color: #f5fafe;
}

--></style><style type="text/css" bogus="1"> body, table.t1
{
font-size: 12px;
}
table.t1
{
table-layout: fixed;
empty-cells: show;
border-collapse: collapse;
margin: 0 auto;
}
td
{
height: 20px;
}
h1, h2, h3
{
font-size: 12px;
margin: 0;
padding: 0;
}
table.t1
{
border: 1px solid #cad9ea;
color: #666;
}
table.t1 th
{
background-image: url(/extjs/resources/images/default/panel/white-top-bottom-gif/coolite.axd);
background-repeat: repeat-x;
height: 22px;
}
table.t1 td, table.t1 th
{
border: 1px solid #cad9ea;
padding: 0 1em 0;
}
table.t1 tr.a1
{
background-color: #f5fafe;
}
</style>
</head>
<body>
<ext:ScriptManager ID="ScriptManager1" runat="server" />
<form id="form1" runat="server">
<div>
<ext:Store runat="server" ID="stoContactName">
<Proxy>
<ext:HttpProxy Url="CustomerHandler.ashx?action=contact" />
</Proxy>
<Reader>
<ext:JsonReader Root="data" TotalProperty="totalCount">
<Fields>
<ext:RecordField Name="Name" />
<ext:RecordField Name="Desc" />
</Fields>
</ext:JsonReader>
</Reader>
</ext:Store>
<ext:XTemplate ID="TplContactName" runat="server">
<div>
<table id="data_table" class="t1">
<thead>
<tr>
<th>
Name
</th>
<th>
Desc
</th>
</tr>
</thead>
<tbody>
<tpl for=".">
<tr class="search-item">
<td>{Name}</td>
<td>{Desc}</td>
</tr>
</tpl>
</tbody>
</table>
</div>
</ext:XTemplate>
<ext:Store ID="dsCustomers" runat="server" RemoteSort="true" UseIdConfirmation="true">
<Proxy>
<ext:HttpProxy Url="CustomerHandler.ashx?action=query" />
</Proxy>
<UpdateProxy>
<ext:HttpWriteProxy Url="CustomerHandler.ashx?action=save" />
</UpdateProxy>
<Reader>
<ext:JsonReader ReaderID="CustomerID" Root="data" TotalProperty="totalCount">
<Fields>
<ext:RecordField Name="CustomerID" SortDir="ASC" />
<ext:RecordField Name="CompanyName" />
<ext:RecordField Name="ContactName" />
<ext:RecordField Name="Email" />
<ext:RecordField Name="Phone" />
<ext:RecordField Name="Fax" />
<ext:RecordField Name="Region" />
<ext:RecordField Name="TranDate" Type="Date" />
</Fields>
</ext:JsonReader>
</Reader>
<BaseParams>
<ext:Parameter Name="limit" Value="15" Mode="Raw" />
<ext:Parameter Name="start" Value="0" Mode="Raw" />
<ext:Parameter Name="dir" Value="ASC" />
<ext:Parameter Name="sort" Value="CustomerID" />
</BaseParams>
<SortInfo Field="CustomerID" Direction="ASC" />
</ext:Store>
<ext:ViewPort ID="ViewPort1" runat="server">
<Body>
<ext:FitLayout ID="FitLayout1" runat="server">
<ext:GridPanel ID="GridPanel1" runat="server" Header="false" Border="false" StoreID="dsCustomers"
TrackMouseOver="true" ClicksToEdit="1" AutoExpandColumn="CompanyName" Height="500">
<ColumnModel ID="ColumnModel1" runat="server">
<Columns>
<ext:Column ColumnID="CustomerID" DataIndex="CustomerID" Header="ID">
<Editor>
<ext:TextField ID="TextField1" runat="server" MaxLength="5" AllowBlank="false" />
</Editor>
</ext:Column>
<ext:Column ColumnID="TranDate" DataIndex="TranDate" Header="Tran Date">
<Editor>
<ext:DateField ID="DateField1" runat="server" Format="yyyy-MM-dd" MsgTarget="Side" />
</Editor>
</ext:Column>
<ext:Column ColumnID="CompanyName" DataIndex="CompanyName" Header="Company Name">
<Editor>
<ext:TextField ID="TextField2" runat="server" AllowBlank="false" />
</Editor>
</ext:Column>
<ext:Column ColumnID="ContactName" DataIndex="ContactName" Header="Contact Name"
Width="150">
<Editor>
<ext:ComboBox ID="ComboBox1" runat="server" StoreID="stoContactName" DisplayField="Name"
ValueField="Name" TypeAhead="false" LoadingText="Searching..." Width="570" PageSize="10"
Editable="true" Mode="Remote" MinListWidth="200" ItemSelector="tr.search-item"
MinChars="1" MsgTarget="Side" TriggerAction="All" Grow="true">
<CustomConfig>
<ext:ConfigItem Name="tpl" Value="#{TplContactName}" Mode="Raw" />
</CustomConfig>
</ext:ComboBox>
</Editor>
</ext:Column>
<ext:Column ColumnID="Email" DataIndex="Email" Header="Email">
<Editor>
<ext:TextField ID="TextField4" runat="server" Vtype="email" />
</Editor>
</ext:Column>
<ext:Column ColumnID="Phone" DataIndex="Phone" Header="Phone">
<Editor>
<ext:TextField ID="TextField5" runat="server" />
</Editor>
</ext:Column>
<ext:Column ColumnID="Fax" DataIndex="Fax" Header="Fax">
<Editor>
<ext:TextField ID="TextField6" runat="server" />
</Editor>
</ext:Column>
<ext:Column ColumnID="Region" DataIndex="Region" Header="Region">
<Editor>
<ext:TextField ID="TextField7" runat="server" />
</Editor>
</ext:Column>
</Columns>
</ColumnModel>
<TopBar>
<ext:Toolbar ID="Toolbar1" runat="server">
<Items>
<ext:Button ID="Button1" runat="server" Text="Save" Icon="Disk">
<Listeners>
<Click Handler="#{dsCustomers}.save();" />
</Listeners>
</ext:Button>
<ext:Button ID="Button3" runat="server" Text="Add" Icon="Add">
<Listeners>
<Click Handler="#{GridPanel1}.insertRecord(0, {});#{GridPanel1}.getView().focusRow(0);#{GridPanel1}.startEditing(0, 0);" />
</Listeners>
</ext:Button>
<ext:Button ID="Button2" runat="server" Text="Reject Changes" Icon="ArrowUndo">
<Listeners>
<Click Handler="#{dsCustomers}.rejectChanges();" />
</Listeners>
</ext:Button>
</Items>
</ext:Toolbar>
</TopBar>
<BottomBar>
<ext:PagingToolBar ID="PagingToolbar1" runat="server" StoreID="dsCustomers" PageSize="15" />
</BottomBar>
<Listeners>
<BeforeEdit Handler="return !(e.field=='CustomerID' && !e.record.newRecord);" />
</Listeners>
<LoadMask ShowMask="true" />
<SaveMask ShowMask="true" />
</ext:GridPanel>
</ext:FitLayout>
</Body>
</ext:ViewPort>
</div>
</form>
</body>
</html>

CustomerHandler.ashx
复制代码 代码如下:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using Coolite.Ext.Web;
namespace WebSPN.Controllers
{
/// <summary>
/// Summary description for $codebehindclassname$
/// </summary>
//[WebService(Namespace = "http://tempuri.org/")]
//[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
public class CustomerHandler : IHttpHandler
{
public void ProcessRequest(HttpContext context)
{
context.Response.ContentType = "text/plain";
string json = "";
var Request =context.Request;
string action= Request["action"];
if (action == "query")
{
Random rand=new Random();
int limit =int .Parse ( Request["limit"]);
int start =int .Parse ( Request["start"]);
IList<Customer> list = new List<Customer>();
for (int i = start; i < start + limit; i++)
list.Add(new Customer
{
CustomerID = "Customer" +i,
Address = "Address" +i,
City = "City" + rand.Next(1000),
CompanyName = "Com" + rand.Next(1000),
ContactName = "Contract" + rand.Next(1000),
ContactTitle = "Title" + rand.Next(1000),
Country = "Country" + rand.Next(1000),
Email = rand.Next(1000) + "@live.com",
Fax = rand.Next(1000).ToString() + rand.Next(1000),
Mobile = rand.Next(1000).ToString() + rand.Next(1000),
Notes = "Notes" + rand.Next(1000),
Phone = "Phone" + rand.Next(1000),
Region = "Region" + rand.Next(1000),
TranDate =DateTime .Now .AddDays(rand.Next(30))
});
json= Coolite.Ext.Web.JSON.Serialize(list);
json = "{data:" + json + ", totalCount:" + 100 + "}";
context.Response.Write(json);
}
else if (action == "save")
{
//saving
StoreDataHandler dataHandler = new StoreDataHandler( Request["data"]);
ChangeRecords<Customer> data = dataHandler.ObjectData<Customer>();
foreach (Customer customer in data.Deleted)
{
//db.Customers.Attach(customer);
//db.Customers.DeleteOnSubmit(customer);
}
foreach (Customer customer in data.Updated)
{
//db.Customers.Attach(customer);
//db.Refresh(RefreshMode.KeepCurrentValues, customer);
}
foreach (Customer customer in data.Created)
{
//db.Customers.InsertOnSubmit(customer);
}
//db.SubmitChanges();
Response sr = new Response(true);
sr.Success = true;
sr.Write();
}
else if (action == "contact")
{
string query = Request["query"]??"";
json = "[{Name:'Bruce Lee query:"+query +"',Desc:'skjfkasjdkf'},{Name:'zzz',Desc:'sffffkf'},{Name:'ssse',Desc:'zzzzzzasjdkf'},"+
"{Name:'Bruce Lee" + DateTime.Now + "',Desc:'skzzjdkf'},{Name:'zzz',Desc:'sffffkf'},{Name:'ssse',Desc:'zzzzzzasjdkf'}," +
"{Name:'Bruce Lee',Desc:'" + DateTime.Now + "'},{Name:'zzz',Desc:'sffffkf'},{Name:'ssse',Desc:'zzzzzzasjdkf'}" +
"]";
json = "{data:" + json + ", totalCount:" + 20 + "}";
context.Response.Write(json);
}
}
public bool IsReusable
{
get
{
return false;
}
}
}
public partial class Customer
{
public string CustomerID { get; set; }
public string CompanyName { get; set; }
public string ContactName { get; set; }
public string ContactTitle { get; set; }
public string Address { get; set; }
public string City { get; set; }
public string Region { get; set; }
public string PostalCode { get; set; }
public string Country { get; set; }
public string Phone { get; set; }
public string Fax { get; set; }
public string Mobile { get; set; }
public string Email { get; set; }

public string WebPage { get; set; }
public string Notes { get; set; }
public DateTime TranDate { get; set; }
}
}

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