我正在使用Ext.NET GridPanel
来显示一个项目列表,其中包含分配给某个用户和状态的任务(我称之为Sprints)。所以我得到了这种关系:
SprintOwner -> UserID
SprintStatus -> SprintStatusID
在我的GridPanel中,我显示了按项目分组的sprint,我使用关系来显示他们的名字而不是他们的ID(SprintStatusName和UserName)。它是葡萄牙语,但我觉得它很有用:
按此顺序,我有姓名,状态和SprintOwner,我可以编辑所有内容。
在Status和SprintOwner中,我有一个comboBox,其值与ID相关联。一旦我编辑它,网格就会更新我的数据库并再次渲染数据,但它不会显示名称,而是显示如下的值(ID):
如何让它再次显示他们的名字?
因此我的Page_Load
方法
Dim db As New ProjectManagerDataContext
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
If Not IsPostBack Then
' Retorna as sprints do banco de dados
ProjectsStore.DataSource = From sp In db.Sprints _
Select New With { _
.ID = sp.SprintID, _
.Name = sp.SprintName, _
.ProjectName = "[" & sp.Project.ProjectGroup1.ProjectGroupName & "] " & sp.Project.ProjectName, _
.Status = sp.SprintStatus1.SprintStatusName, _
.Owner = sp.User.UserName, _
.BeginDate = sp.SprintBegin, _
.EndDate = sp.SprintEnd, _
.RealEnd = sp.SprintRealEnd}
ProjectsStore.DataBind()
Store2.DataSource = From ss In db.SprintStatus _
Select New With { _
.StatusID = ss.SprintStatusID, _
.StatusName = ss.SprintStatusName}
Store2.DataBind()
Store3.DataSource = (From u In db.Users _
Select New With { _
.DeveloperName = u.UserName, _
.DeveloperID = u.UserID})
Store3.DataBind()
End If
End Sub
我的.asp:
<ext:GridPanel
ID="grdProjects"
runat="server"
AutoHeight="true"
EnableColumnMove="false"
Collapsible="false"
AnimCollapse="true"
StripeRows="true"
Title="Projetos" >
<Store>
<ext:Store ID="ProjectsStore" runat="server" GroupField="ProjectName">
<Reader>
<ext:JsonReader IDProperty="ID">
<Fields>
<ext:RecordField Name="ProjectName" Type="String" />
<ext:RecordField Name="ID" Type="Int" />
<ext:RecordField Name="Name" Type="String" />
<ext:RecordField Name="Status" Type="String" />
<ext:RecordField Name="Owner" Type="String" />
<ext:RecordField Name="Begin" Type="Date" />
<ext:RecordField Name="End" Type="Date" />
<ext:RecordField Name="RealEnd" Type="Date" />
</Fields>
</ext:JsonReader>
</Reader>
</ext:Store>
</Store>
<Listeners>
<AfterEdit Fn="afterEdit" />
</Listeners>
<ColumnModel ID="ColumnModel20" runat="server">
<Columns>
<ext:Column ColumnID="SprintProject" Header="Projeto" Align="Left" DataIndex="ProjectName" />
<ext:Column ColumnID="SprintName" Header="Nome" Align="Left" DataIndex="Name" />
<ext:Column ColumnID="SprintStatus" Header="Status" Align="Left" DataIndex="Status">
<Editor>
<ext:SelectBox
ID="selStatus"
runat="server"
DisplayField="StatusName"
ValueField="StatusID"
EmptyText="Selecione um status">
<Store>
<ext:Store ID="Store2" runat="server">
<Reader>
<ext:JsonReader IDProperty="StatusID">
<Fields>
<ext:RecordField Name="StatusID" Type="Int" />
<ext:RecordField Name="StatusName" Type="String" />
</Fields>
</ext:JsonReader>
</Reader>
</ext:Store>
</Store>
</ext:SelectBox>
</Editor>
</ext:Column>
<ext:Column ColumnID="SprintOwner" Header="Recurso" Align="Left" DataIndex="Owner">
<Editor>
<ext:SelectBox
ID="selDevelopers"
runat="server"
DisplayField="DeveloperName"
ValueField="DeveloperID"
EmptyText="Selecione um recurso">
<Store>
<ext:Store ID="Store3" runat="server">
<Reader>
<ext:JsonReader IDProperty="DeveloperID">
<Fields>
<ext:RecordField Name="DeveloperID" Type="Int" />
<ext:RecordField Name="DeveloperName" Type="String" />
</Fields>
</ext:JsonReader>
</Reader>
</ext:Store>
</Store>
</ext:SelectBox>
</Editor>
</ext:Column>
<ext:DateColumn ColumnID="SprintBegin" Header="Data de início" Align="Center" DataIndex="Begin" Format="dd/MM/yyyy">
<Editor>
<ext:DateField Format="dd/MM/yyyy" runat="server" />
</Editor>
</ext:DateColumn>
<ext:DateColumn ColumnID="SprintEnd" Header="Previsão de término" Align="Center" DataIndex="End" Format="dd/MM/yyyy">
<Editor>
<ext:DateField Format="dd/MM/yyyy" runat="server" />
</Editor>
</ext:DateColumn>
<ext:DateColumn ColumnID="SprintRealEnd" Header="Data de término" Align="Center" DataIndex="RealEnd" Format="dd/MM/yyyy">
<Editor>
<ext:DateField Format="dd/MM/yyyy" runat="server" />
</Editor>
</ext:DateColumn>
</Columns>
</ColumnModel>
<View>
<ext:GroupingView SplitHandleWidth="10"
runat="server"
ForceFit="true"
MarkDirty="false"
ShowGroupName="false"
EnableNoGroups="true"
HideGroupedColumn="true" ID="ctl222" />
</View>
</ext:GridPanel>
答案 0 :(得分:2)
我必须看看您Store
Reader
和GridPanel
Columns
的配置方式,以确定出现了什么问题。以下示例应该有助于它演示类似的场景,并可用于解决您的代码。
示例强>
<%@ Page Language="C#" %>
<%@ Import Namespace="System.Collections.Generic" %>
<%@ Register Assembly="Ext.Net" Namespace="Ext.Net" TagPrefix="ext" %>
<script runat="server">
protected void Page_Load(object sender, EventArgs e)
{
// Owners
var owners = new List<Person>();
var billy = new Person
{
ID = 1,
Name = "Billy"
};
var frank = new Person
{
ID = 2,
Name = "Frank"
};
var jane = new Person
{
ID = 3,
Name = "Jane"
};
owners.AddRange(new Person[] { billy, frank, jane });
this.strOwners.DataSource = owners;
this.strOwners.DataBind();
// Projects
var projects = new List<Project>();
projects.AddRange(new Project[] {
new Project {
ID = 1,
Name = "Project A",
Owner = billy
},
new Project {
ID = 2,
Name = "Project B",
Owner = frank
},
new Project {
ID = 3,
Name = "Project C",
Owner = jane
}
});
this.strProjects.DataSource = projects;
this.strProjects.DataBind();
}
public class Project
{
public int ID { get; set; }
public string Name { get; set; }
public Person Owner { get; set; }
}
public class Person
{
public int ID { get; set; }
public string Name { get; set; }
}
</script>
<!DOCTYPE html>
<html>
<head runat="server">
<title>Ext.NET Example</title>
</head>
<body>
<form runat="server">
<ext:ResourceManager runat="server" />
<ext:GridPanel
runat="server"
Title="Example"
Height="350"
Width="500"
AutoExpandColumn="Owner">
<Bin>
<ext:Store ID="strOwners" runat="server">
<Reader>
<ext:JsonReader IDProperty="ID">
<Fields>
<ext:RecordField Name="ID" Type="Int" />
<ext:RecordField Name="Name" />
</Fields>
</ext:JsonReader>
</Reader>
</ext:Store>
</Bin>
<Store>
<ext:Store ID="strProjects" runat="server">
<Reader>
<ext:JsonReader IDProperty="ID">
<Fields>
<ext:RecordField Name="ID" Type="Int" />
<ext:RecordField Name="Name" />
<ext:RecordField Name="OwnerID" ServerMapping="Owner.ID" />
</Fields>
</ext:JsonReader>
</Reader>
</ext:Store>
</Store>
<ColumnModel runat="server">
<Columns>
<ext:Column Header="ID" DataIndex="ID" />
<ext:Column Header="Name" DataIndex="Name" />
<ext:Column ColumnID="Owner" Header="Owner" DataIndex="OwnerID">
<Renderer Handler="return strOwners.getById(value).data.Name;" />
<Editor>
<ext:ComboBox
runat="server"
StoreID="strOwners"
DisplayField="Name"
ValueField="ID"
/>
</Editor>
</ext:Column>
</Columns>
</ColumnModel>
</ext:GridPanel>
</form>
</body>
</html>
希望这有帮助。