如何根據複選框選擇的值對gridview數據進行排序？

我正在使用asp.net網格視圖。在我的gridview中有一個複選框。我想先選中複選框，然後其他行將在下面。所以有兩個標準，我也希望'檢查'行和未經檢查的行將按字母順序排序。如何根據複選框選擇的值對gridview數據進行排序？

<asp:DataGrid ID="grdItemList" runat="server" AutoGenerateColumns="False" 
         BackColor="Transparent" BorderColor="#E0E0E0" BorderWidth="0px" CellPadding="0" 
         CssClass="DBGridStyle" DESIGNTIMEDRAGDROP="14" GridLines="Horizontal" TabIndex="15" 
         Width="100%" OnItemDataBound="grdItemList_ItemDataBound"> 
         <AlternatingItemStyle CssClass="GridAlternateRowStyle" /> 
         <ItemStyle CssClass="GridRowStyle" /> 
         <HeaderStyle CssClass="GridColumnHeaderStyle" Font-Bold="True" /> 
         <FooterStyle HorizontalAlign="Right" VerticalAlign="Middle" /> 
         <Columns> 
          <asp:TemplateColumn> 
           <HeaderStyle Width="25px" /> 
           <HeaderTemplate> 
            <asp:CheckBox ID="CheckAll" runat="server" language="javascript" onclick="return CheckAll_onclick(this.checked)" /> 
           </HeaderTemplate> 
           <ItemTemplate> 
            <asp:CheckBox ID="DeleteThis" runat="server" language="javascript" onclick="return DeleteThis_onclick(this.checked)" Checked='<%# DataBinder.Eval (Container.DataItem, "Selected") %>'/> 
           </ItemTemplate> 
          </asp:TemplateColumn> 
          <asp:BoundColumn DataField="EmpCode" HeaderText="Code"> 
           <HeaderStyle Width="100px" /> 
          </asp:BoundColumn> 
          <asp:BoundColumn DataField="EmpName" HeaderText="Name"> 
           <HeaderStyle Width="300px" /> 
          </asp:BoundColumn> 
          <asp:BoundColumn DataField="AdParamCode" Visible="False" > 
           <HeaderStyle Width="100px" /> 
          </asp:BoundColumn> 
          <asp:TemplateColumn HeaderText="Flat Amount"> 
           <ItemTemplate> 
            <asp:TextBox ID="txtAmount" runat="server" Text='<%# DataBinder.Eval (Container.DataItem, "Amount") %>'></asp:TextBox> 
           </ItemTemplate> 
          </asp:TemplateColumn> 
          <asp:TemplateColumn HeaderText="% of Basic"> 
           <HeaderTemplate> 
            % of Basic 
           </HeaderTemplate> 
           <EditItemTemplate> 
            &nbsp; 
           </EditItemTemplate> 
           <ItemTemplate> 
            <asp:TextBox ID="txtPercent" runat="server" Text='<%# DataBinder.Eval (Container.DataItem, "PercentOfBasic") %>'></asp:TextBox> 
           </ItemTemplate> 
           <HeaderStyle Width="80px" /> 
          </asp:TemplateColumn> 
          <asp:TemplateColumn HeaderText="Applied Status"> 
           <EditItemTemplate> 
            &nbsp; 
           </EditItemTemplate> 
           <ItemTemplate> 
            <asp:DropDownList ID="cboAppliedStat" runat="server" SelectedIndex='<%# DataBinder.Eval (Container.DataItem, "AppliedStat") %>'> 
             <asp:ListItem Selected="True">All</asp:ListItem> 
             <asp:ListItem>Higher</asp:ListItem> 
             <asp:ListItem>Lower</asp:ListItem> 
            </asp:DropDownList> 
           </ItemTemplate> 
           <HeaderStyle Width="100px" /> 
          </asp:TemplateColumn> 



         </Columns> 

        </asp:DataGrid>

來源

2014-02-23 rafat

這是一個使用northwind數據庫的小型演示。一旦你理解了這個概念，你就可以調整方法。

網頁：

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="WebApp.CheckboxSorting.Default" %> 

<!DOCTYPE html> 

<html xmlns="http://www.w3.org/1999/xhtml"> 
<head runat="server"> 
    <title>Customer Sort</title> 
</head> 
<body> 
    <form id="form1" runat="server"> 
    <div> 

     <asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" CellPadding="4" ForeColor="#333333" GridLines="None"> 
      <AlternatingRowStyle BackColor="White" /> 
      <Columns> 
       <asp:TemplateField> 
        <ItemTemplate> 
         <asp:CheckBox ID="chkBox" AutoPostBack="true" runat="server" OnCheckedChanged="chkBox_CheckedChanged" Checked='<%# Eval("Flag") %>' /> 
         <asp:HiddenField ID="hfCustomerID" Value='<%# Eval("CustomerID") %>' runat="server" /> 
        </ItemTemplate> 
       </asp:TemplateField>     
       <asp:BoundField DataField="CustomerID" HeaderText="CustomerID" /> 
       <asp:BoundField DataField="CompanyName" HeaderText="Company" /> 
       <asp:BoundField DataField="ContactName" HeaderText="Contact" /> 
       <asp:BoundField DataField="Addr" HeaderText="Address" /> 
      </Columns> 
      <EditRowStyle BackColor="#2461BF" /> 
      <FooterStyle BackColor="#507CD1" Font-Bold="True" ForeColor="White" /> 
      <HeaderStyle BackColor="#507CD1" Font-Bold="True" ForeColor="White" /> 
      <PagerStyle BackColor="#2461BF" ForeColor="White" HorizontalAlign="Center" /> 
      <RowStyle BackColor="#EFF3FB" /> 
      <SelectedRowStyle BackColor="#D1DDF1" Font-Bold="True" ForeColor="#333333" /> 
      <SortedAscendingCellStyle BackColor="#F5F7FB" /> 
      <SortedAscendingHeaderStyle BackColor="#6D95E1" /> 
      <SortedDescendingCellStyle BackColor="#E9EBEF" /> 
      <SortedDescendingHeaderStyle BackColor="#4870BE" /> 
     </asp:GridView> 

    </div> 
    </form> 
</body> 
</html>

代碼背後：

using System; 
using System.Collections.Generic; 
using System.Linq; 
using System.Web.UI.WebControls; 

namespace WebApp.CheckboxSorting 
{ 
    [Serializable] 
    public class CustomerModel 
    { 
     public CustomerModel() 
     {    
      Flag = false; 
     } 

     public bool Flag { get; set; } 

     public string CustomerID { get; set; } 

     public string CompanyName { get; set; } 

     public string ContactName { get; set; } 

     public string Addr { get; set; } 
    } 

    public partial class Default : System.Web.UI.Page 
    { 
     protected void Page_Load(object sender, EventArgs e) 
     { 
      if (!IsPostBack) 
      { 
       using (var db = new NorthwindDbContext()) 
       { 
        var customers = db.Customers.Select(x => new CustomerModel() { 
         CustomerID = x.CustomerID, 
         Addr = x.Address, 
         CompanyName = x.CompanyName       
        }).Take(10).ToList(); 
        ViewState["Data"] = customers; 
        GridView1.DataSource = customers; 
        GridView1.DataBind(); 
       } 
      } 
     } 

     protected void chkBox_CheckedChanged(object sender, EventArgs e) 
     { 
      var lst = (List<CustomerModel>)ViewState["Data"]; 
      var chkbx =(CheckBox)sender; 
      var hf = (HiddenField)chkbx.Parent.FindControl("hfCustomerID"); 
      var id = hf.Value; 
      var item = lst.Single(x => x.CustomerID == id); 
      item.Flag = chkbx.Checked; 
      var lst1 = (from x in lst orderby x.Flag descending, x.CompanyName ascending select x).ToList(); 
      GridView1.DataSource = lst1; 
      GridView1.DataBind(); 
     } 
    } 
}

來源

2014-02-23 16:06:11 deostroll

如何根據複選框選擇的值對gridview數據進行排序？

回答

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