程序代码:
 protected void GridView1_ItemDataBound1(object sender, GridItemEventArgs e)
    {
        if (e.Item is GridEditableItem)  //红色代表是编辑中的项目。Grid有很多item ,全部控件都可以在Item中找到
        {

            GridEditableItem commandItem = e.Item as GridEditableItem;
            Label lb = (Label)commandItem.FindControl("Label1");
            if (lb != null)
                lb.Text = "fsdaf";
        }

ASPX:
<MasterTableView AutoGenerateColumns="False" DataKeyNames="ID" DataSourceID="SqlDataSource1" AllowAutomaticDeletes="True" AllowAutomaticInserts="True" AllowAutomaticUpdates="True" CommandItemDisplay="TopAndBottom">
                                 <CommandItemTemplate>
                    <asp:LinkButton ID="LinkButton1" runat="server">Default Text</asp:LinkButton>
                    <asp:Label ID="Label2" runat="server" Text="NameLab"></asp:Label>
                </CommandItemTemplate>
              
                <FormTemplate>
  
        <asp:Label ID="Label1" runat="server" Text="NameLab"></asp:Label>
</FormTemplate>   //edititem中的项目

            </MasterTableView>
        </radG:RadGrid>