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到GridView的我有使用ObjectDataSource控件实体如何将复杂的实体类型绑定使用的ObjectDataSource
class Person
{
public int Age{get;set;}
public string Name{get;set;}
public Department Dept{get;set;}
}
class Department
{
public int DeptId{get;set;}
public string DeptName{get;set}
}
现在我结合收集到的GridView。 根据模板列的Person类的部门貌似
<EditItemTemplate>
<asp:DropDownList ID="cmbStatus" DataTextField="DeptName" SelectedValue='<%# Bind("Dept.DeptId") %>'
DataValueField="DeptId" runat="server" CssClass="ddl150px ddlbg"
DataSourceID="deptCollection" />
<asp:ObjectDataSource ID="deptCollection" runat="server"
SelectMethod="GetDeptList" TypeName="LIMS.BusinessObject.Department" >
</asp:ObjectDataSource>
</EditItemTemplate>
现在我的网格被绑定使用现在
<asp:ObjectDataSource ID="PersonCollection" runat="server"
SelectMethod="GetPersonList"
TypeName="LIMS.BusinessObject.Person"
DataObjectTypeName="LIMS.DomainModel.Person"
DeleteMethod="Delete" InsertMethod="Create" UpdateMethod="Update"
ondeleting="PersonCollection_Deleting"
onupdating="PersonCollection_Updating">
</asp:ObjectDataSource>
,当我尝试更新这个人的实体,它会引发错误,因为下拉显示值字段和文本字段和Person实体需要一个实际绑定到下拉列表的Dept实体