Asp.net 如何将控件绑定到GridView中的?

Asp.net 如何将控件绑定到GridView中的?,asp.net,webforms,Asp.net,Webforms,编辑:我的对象定义如下。我将其传递到GridView1 public class UserTestorViewModel { public string Username {get;set;} public string Password {get;set;} public Label SuiteName {get;set;} } 我已将GridView绑定到自定义列表: 在.aspx中,我有 <asp:TemplateField HeaderText="Logi

编辑:我的对象定义如下。我将其传递到GridView1

public class UserTestorViewModel
{
    public string Username {get;set;}
    public string Password {get;set;}
    public Label SuiteName {get;set;}
}
我已将GridView绑定到自定义列表:

在.aspx中,我有

<asp:TemplateField HeaderText="LoginName">
<ItemTemplate>
<asp:Label ID="LoginName" runat= "server" Text= '<%# ((ViewModels.UserTestorViewModel)Container.DataItem).User.userName %> '></asp:Label>
</ItemTemplate>
</asp:TemplateField> 
因为ViewModels.UserTestorViewModel.SuiteName是System.Web.UI.WebControl中的标签


因此,如何将System.Web.UI.WebControl绑定到System.Web.UI.WebControl的文本而不是System.Web.UI.WebControl的文本,您可以在ItemTemplate中放置占位符控件,并将标签控件放置在GridView的RowCreated事件中:

    protected void Page_Init(object sender, EventArgs e)
    {
        GridView1.RowCreated += new GridViewRowEventHandler(GridView1_RowCreated);
    }

    void GridView1_RowCreated(object sender, GridViewRowEventArgs e)
    {
        if (e.Row.RowType == DataControlRowType.DataRow)
        {
            var dataItem = (KeyValuePair<int, Label>)e.Row.DataItem;
            var nameLabelPlaceholder = e.Row.FindControl("NameLabelPlaceholder") as PlaceHolder;
            if (nameLabelPlaceholder != null)
            {
                nameLabelPlaceholder.Controls.Add(dataItem.Value);
            }
        }
    }

    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            GridView1.DataSource = GetGridViewDataSource();
            GridView1.DataBind();
        }
    }

    private object GetGridViewDataSource()
    {
        return (from item in Enumerable.Range(1, 10)
                select new KeyValuePair<int, Label>(item, new Label() { ID = string.Format("NameLabel_{0}", item), Text = string.Format("Item #{0}", item), ForeColor = System.Drawing.Color.Red }))
                    .ToDictionary(kvp1 => kvp1.Key, kvp2 => kvp2.Value);
    }


    <asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="false" DataKeyNames="Key">
        <Columns>
            <asp:BoundField HeaderText="Id" DataField="Key" />
            <asp:TemplateField HeaderText="Name">
                <ItemTemplate>
                    <asp:PlaceHolder runat="server" ID="NameLabelPlaceholder" />
                </ItemTemplate>
            </asp:TemplateField>
        </Columns>
    </asp:GridView>

这几乎就是我想要的。但是当this.GridView1.DataSource=utViewModelList;时,我已经将标签传递给了GridView1;。如何在创建您提供的GridView1_行时获取它。谢谢。我编写了var dataItem=e.Row.dataItem;。在调试模式下,我看到dataItem是我传递到GridView中的数据项,也是我正在寻找的数据项。但是为什么我不能使用dataItem.SuiteName?当然,您可以,但是因为e.Row.dataItem的类型是System.Object,所以必须将其强制转换为您的类型ViewModels.UserTestorViewModel
<asp:TemplateField HeaderText="SuiteName">
<ItemTemplate>
<%# ((ViewModels.UserTestorViewModel)Container.DataItem).SuiteName %>
</ItemTemplate>
</asp:TemplateField>
    protected void Page_Init(object sender, EventArgs e)
    {
        GridView1.RowCreated += new GridViewRowEventHandler(GridView1_RowCreated);
    }

    void GridView1_RowCreated(object sender, GridViewRowEventArgs e)
    {
        if (e.Row.RowType == DataControlRowType.DataRow)
        {
            var dataItem = (KeyValuePair<int, Label>)e.Row.DataItem;
            var nameLabelPlaceholder = e.Row.FindControl("NameLabelPlaceholder") as PlaceHolder;
            if (nameLabelPlaceholder != null)
            {
                nameLabelPlaceholder.Controls.Add(dataItem.Value);
            }
        }
    }

    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            GridView1.DataSource = GetGridViewDataSource();
            GridView1.DataBind();
        }
    }

    private object GetGridViewDataSource()
    {
        return (from item in Enumerable.Range(1, 10)
                select new KeyValuePair<int, Label>(item, new Label() { ID = string.Format("NameLabel_{0}", item), Text = string.Format("Item #{0}", item), ForeColor = System.Drawing.Color.Red }))
                    .ToDictionary(kvp1 => kvp1.Key, kvp2 => kvp2.Value);
    }


    <asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="false" DataKeyNames="Key">
        <Columns>
            <asp:BoundField HeaderText="Id" DataField="Key" />
            <asp:TemplateField HeaderText="Name">
                <ItemTemplate>
                    <asp:PlaceHolder runat="server" ID="NameLabelPlaceholder" />
                </ItemTemplate>
            </asp:TemplateField>
        </Columns>
    </asp:GridView>