用GridView实现无限级嵌套

最新推荐文章于 2024-04-22 12:39:07 发布

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最新推荐文章于 2024-04-22 12:39:07 发布

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分类专栏： Asp.net 文章标签： asp object server string class

本文链接：https://blog.youkuaiyun.com/lbuskeep/article/details/6144162

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本文介绍了一个ASP.NET中GridView控件嵌套使用的实例，展示了如何通过OnRowDataBound事件来实现多层GridView的数据绑定，并提供了完整的HTML及C#代码。

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OnRowDataBound事件,与.x中的ItemDataBound有一腿.

<asp:gridview id="GridView1" onrowdatabound="GridView1_RowDataBound" autogeneratecolumns="false"
runat="server">
      <Columns>
       　<asp:TemplateField>
       　<ItemTemplate>
           <%#Container.DataItem.ToString()%>
               
               <asp:GridView ID="GridView2" OnRowDataBound="GridView2_RowDataBound"   AutoGenerateColumns=false runat="server">
                　<Columns>
                 　<asp:TemplateField>
                 　<ItemTemplate>
                      <%#Container.DataItem.ToString()%>
                       
                     　<asp:GridView ID="GridView3" AutoGenerateColumns=false runat=server>
                           <Columns>
                             <asp:TemplateField>
                             <ItemTemplate>
                              <%#Container.DataItem.ToString()%>
                             </ItemTemplate>
                             </asp:TemplateField>
                           </Columns>
                        </asp:GridView>
                       

                   </ItemTemplate>
                  </asp:TemplateField>
                 </Columns>
                </asp:GridView>
              

          </ItemTemplate>
          </asp:TemplateField>
         </Columns>
        </asp:gridview>

//++++++++++.cs代码++++++++++++++++
//RowDataBound与.x中的ItemDataBound也有一腿!
using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Collections;

public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
this.GridView1.DataSource = Al("GridView1Item:");
this.GridView1.DataBind();
}

//DataSource
protected ArrayList Al(string GetStr)
{
  ArrayList al = new ArrayList();
  for(int i=0;i<2;i++)
  {
   al.Add(GetStr+i.ToString());
  }

return al;
}

//GridView1_RowDataBound
protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
{
  if (e.Row.RowType == DataControlRowType.DataRow)
  {
   GridView gv = (GridView)e.Row.FindControl("GridView2");
   gv.DataSource = Al("GridView2Item:");
   gv.DataBind();

}
}

//GridView2_RowDataBound
protected void GridView2_RowDataBound(object sender, GridViewRowEventArgs e)
{
  if (e.Row.RowType == DataControlRowType.DataRow)
  {
   GridView gv = (GridView)e.Row.FindControl("GridView3");
   gv.DataSource = Al("GridView3Item:");
   gv.DataBind();

}
}
}